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1. J.A.Gaj, P.Byszewski, M.Z.Cieplak, G.Fishman, R.R.Galazka, J.Ginter, M.Nawrocki, Nguyen The Khoi, R.Planel, R.Ranvaud and A.Twardowski MAGNETOOPTICAL STUDY OF EXCHANGE INTERACTION IN Cd1-xMnxTe Proc. 14 Int. Conf. Phys. Semicond. (Edinbourhg 1978), Inst. Phys. Conf. Series 43,1113-1116 (1979)
2. A.Twardowski, M.Nawrocki and J.Ginter EXCITONIC MAGNETOABSORPTION IN Cd1-xMnxTe MIXED CRYSTALS Phys.Stat.Solidi (b) 96, 497-506 (1979)
3. M.Nawrocki and A.Twardowski OSCILATORY MAGNETOABSORPTION IN CdTe Phys.Stat.Solidi (b) 97, K61-64 (1980)
4. A.Twardowski and M.Nawrocki TEMPERATUROWA ZALEŻNOŚĆ ABSORPCJI EKSCYTONOWEJ W POLU MAGNETYCZNYM W Cd1-xMnxTe Materiały Seminarium Fizyki Półprzewodników, Jaszowiec 1979, Materiały IF PAN (Warszawa 1979)
5. A.Twardowski and J.Ginter THEORY OF EXCITON STATES IN CdMnTe Proc.Sem.Phys.Semicond., Jaszowiec 1980, Report of Institute of Physics, Polish Academy of Sciences, p.262, Warsaw (1980)
6. A.Twardowski, E.Rokita and J.A.Gaj VALENCE BAND SPIN-ORBIT SPLITTING IN CdMnTe AND GIANT ZEEMAN EFFECT IN THE '7 BAND OF CdMnTe Solid State Commun. 36, 927-930 (1980)
7. A.Twardowski and J.Ginter THE INFLUENCE OF Mn-INDUCED SPIN SPLITTING ON EXCITON SPECTRA IN CdMnTe MIXED CRYSTALS Proc.Sem.Phys.Semicond., Jaszowiec 1981, Report of Institute of Physics, Polish Academy of Sciences, Warsaw (1981)
8. A.Twardowski and J.Ginter SIMPLE EXCITON IN INTERMEDIATE MAGNETIC FIELD. APPLICATION TO Cd1-xMnxTe MIXED CRYSTALS Phys.Stat.Solidi (b) 110, 47-55 (1982)
9. A.Twardowski and J.Ginter THE INFLUENCE OF EXCHANGE SPIN SPLITTING ON EXCITON IN CdMnTe MIXED CRYSTALS Phys.Stat.Solidi (b) 114, 331-336 (1982)
10. A.Twardowski MAGNETOOPTICAL STUDY OF Zn1-xMnxTe MIXED CRYSTALS Phys. Letters 94A, 103-105 (1983)
11. Nguyen The Khoi, J.Ginter and A.Twardowski MAGNETOOPTICAL STUDY OF THE FUNDAMENTAL ABSORPTION EDGE IN Cd1-xMnxTe Phys.Stat.Solidi (b) 117, 67-74 (1983)
12. D.Gac and A.Twardowski THE STUDY OF EXCITON IN Cd0.95Mn0.05Te FOR B||[100], [111] AND [110] Proc.Sem.Phys.Semicond., Jaszowiec 1983, Report of Institute of Physics, Polish Academy of Sciences, Warsaw (1984)
13. P.Swiderski, A.Twardowski and I.Glass GIANT SPIN SPLITTING OF EXCITON STATES IN ZnMnTe Proc.Sem.Phys.Semicond., Jaszowiec 1983, Report of Institute of Physics, Polish Academy of Sciences, Warsaw (1984)
14. A.Twardowski and M.Demianiuk MAGNETOREFLECTIVITY OF Zn1-xMnxSe MIXED CRYSTALS Proc.Sem.Phys.Semicond., Jaszowiec 1983, Report of Institute of Physics, Polish Academy of Sciences, Warsaw (1984)
15. A.Twardowski, T.Dietl and M.Demianiuk THE STUDY OF THE s-d EXCHANGE INTERACTION IN Zn1-xMnxSe MIXED CRYSTALS Solid State Commun. 48, 845-848 (1983)
16. P.Swiderski and A.Twardowski THE EXCITED STATES OF FREE EXCITON IN Zn0.972Mn0.028Te Phys.Stat.Solidi (b) 122, K147-150 (1984)
17. A.Twardowski, P.Swiderski, M. von Ortenberg and R.Pauthenet MAGNETOABSORPTION AND MAGNETIZATION OF Zn1-xMnxTe MIXED CRYSTALS Solid State Commun. 50, 509-513 (1984)
18. A.Twardowski, M. von Ortenberg, M.Demianiuk and R.Pauthenet MAGNETIZATION OF ZnMnTe, ZnMnSe AND ZnMnS MIXED CRYSTALS Acta Physica Polonica A67 (2) 339-343 (1985)
19. A.M.Hennel, A.Twardowski and M.Godlewski FARADAY ROTATION IN GaAs:Mn Acta Phys. Pol. A67, (2) 313-317 (1985)
20. A.Twardowski, M. von Ortenberg, M.Demianiuk and R.Pauthenet MAGNETIZATION AND EXCHANGE CONSTANTS IN Zn1-xMnxSe Solid State Commun. 51, 849-852 (1984)
21. A.Twardowski, A.M.Hennel, M. von Ortenberg and M.Demianiuk OBSERVATION OF VAN VLECK-TYPE PARAMAGNETISM IN SEMIMAGNETIC SEMICONDUCTORS in Proc. 17 Int.Conf.Phys.Semicond. (San Francisco 1984), ed. Chadi, 1439-1442 (Springer 1985)
22. G.D.Khattak, A.Twardowski and R.R.Galazka MAGNETIZATION OF CdMnTe Phys.Stat.Sol. (a) 87, K57-60 (1985)
23. A.Twardowski, M. von Ortenberg and M.Demianiuk MAGNETIZATION OF ZnFeSe SEMIMAGNETIC SEMICONDUCTORS J. of Crystal Growth 72, 401-404 (1985)
24. A.Golnik, A.Twardowski and J.A.Gaj INTERBAND MAGNETOABSORPTION SPLITTINGS AS A FUNCTION OF MAGNETIZATION IN SEMIMAGNETIC SEMICONDUCTORS J. of Crystal Growth 72, 376-379 (1985)
25. A.Twardowski and C.Hermann POLARIZED HOT-ELECTRON PHOTOLUMINESCENCE IN HIGHLY DOPED GaAs Phys.Rev. B32, 8253-8257 (1985)
26. A.Twardowski, C.J.M.Denissen, W.J.M. de Jonge, A.T.A.M. de Waale, M.Demianiuk and R.Triboulet SPINGLASS BEHAVIOUR OF Zn1-xMnxSe AND Zn1-xMnxTe SEMIMAGNETIC SEMICONDUCTORS Solid State Commun. 59, 199-203 (1986)
27. M. von Ortenberg, W.Erhardt, A.Twardowski and M.Demianiuk MAGNETOSPECTROSCOPY OF SEMIMAGNETIC Zn1-xMnxSe in "High Magnetic Fields in Semiconductor Physics" ed. G.Landwehr, Springer Series in Solid State Sciences 71, 446-452 (Springer, 1987)
28. A.Twardowski, C.J.M.Denissen, W.J.M. de Jonge, A.T.A.M. de Waale, M.Demianiuk and R.Triboulet SPINGLASS BEHAVIOUR OF Zn1-xMnxSe AND Zn1-xMnxTe BELOW PERCOLATION LIMIT Acta Phys.Pol. A71, 251-253 (1987)
29. A.Twardowski and C.Hermann VARIATIONAL CALCULATION OF POLARIZATION OF QUANTUM-WELL PHOTOLUMINESCENCE Phys.Rev. B35, 8144-8153 (1987)
30. B.Oczkiewicz, A.Twardowski and M.Demianiuk INTRA-MANGANESE ABSORPTION AND LUMINESCENCE IN ZnMnSe SEMIMAGNETIC SEMICONDUCTOR Solid State Commun. 64, 107-111 (1987)
31. W.Erhardt, M. von Ortenberg, A.Twardowski and M.Demianiuk DC- AND FIR-MAGNETO-TRANSPORT IN Zn1-xMnxSe Mater. Res. Soc. 89, 219-224 (1987), Diluted Magnetic (Semimagnetic) Semiconductors, ed. S.von Molnar, R.Aggarwal and J.K.Furdyna
32. K.Kopinga, W.J.M. de Jonge,C.J.M.Denissen, V.A.M.Brabers and A.Twardowski ANALYSIS OF LONG RANGE MAGNETIC INTERACTION IN DILUTED MAGNETIC SEMICONDUCTORS J. of Appl.Phys. 61, 3558-3559 (1987)
33. W.J.M. de Jonge, A.Twardowski and C.J.M.Denissen THE RELEVANCE OF LONG RANGE INTERACTIONS IN DILUTED MAGNETIC SEMICONDUCTORS Mater. Res. Soc. 89, 153-158 (1987), Diluted Magnetic (Semimagnetic) Semiconductors, ed. S.von Molnar, R.Aggarwal and J.K.Furdyna
34. A.Twardowski, P.Glod, W.J.M. de Jonge and M.Demianiuk THE STUDY OF s-d EXCHANGE INTERACTION IN ZnFeSe SEMIMAGNETIC SEMICONDUCTOR Solid State Commun. 64, 63-67 (1987)
35. A.Twardowski, H.J.M.Swagten, W.J.M. de Jonge and M.Demianiuk MAGNETIC BEHAVIOUR OF THE DILUTED MAGNETIC SEMICONDUCTOR (ZnMn)Se Phys.Rev. B36, 7013-7023 (1987)
36. A.Twardowski and C.Hermann CALCULATION OF THE CIRCULAR POLARIZATION OF QUANTUM WELL PHOTOLUMINESCENCE J. de Physique, Colloque C5, Suppl. 11, 48, 211-214 (1987)
37. P.Glod, A.Twardowski, W.J.M.de Jonge, M.Demianiuk and M.Leszczynski MAGNETOOPTICAL STUDY OF ZnFeSe SEMIMAGNETIC SEMICONDUCTOR Acta Phys. Pol. A73, 471 (1988)
38. A.Twardowski, H.J.M.Swagten, T.F.H.v.d. Wetering and W.J.M. de Jonge THERMODYNAMIC PROPERTIES OF IRON-BASED II-VI SEMIMAGNETIC SEMICONDUCTORS Solid State Commun. 65, 235-239 (1988)
39. A.Twardowski, A.Lewicki, M.Arciszewska, H.J.M.Swagten, W.J.M. de Jonge and M.Demianiuk MAGNETIC SUSCEPTIBILITY OF IRON BASED SEMIMAGNETIC SEMICONDUCTORS. High Temperature Regime Phys. Rev. B38, 10749-10745 (1988)
40. H.J.M.Swagten, A.Twardowski, W.J.M. de Jonge, M.Demianiuk and J.K.Furdyna MAGNETIC PROPERTIES OF Zn1-xMnxS Solid State Commun. 66, 791-795 (1988)
41. H.J.M.Swagten, A.Twardowski, W.J.M. de Jonge and M.Demianiuk MAGNETIC PROPERTIES OF Zn1-xFexSe DILUTED MAGNETIC SEMICONDUCTOR Phys.Rev. B39, 2568-2577 (1989)
42. A.Twardowski MAGNETIC INTERACTIONS IN SEMIMAGNETIC SEMICONDUCTORS Acta Physica Polonica A75, 327-338 (1989)
43. A.M.Witowski, A.Wieck, A.Twardowski, W.J.M. de Jonge, A.Mycielski and M.Demianiuk FIR OPTICAL INVESTIGATIONS OF Fe BASED SEMIMAGNETIC SEMICONDUCTORS Acta Physica Polonica A75, 69-71 (1989)
44. P.Perlin, Z.Liro, A.Twardowski and M.Demianiuk PRESSURE DEPENDENCE OF ABSORPTION EDGE OF ZnFeSe SEMIMAGNETIC SEMICONDUCTOR Acta Physica Polonica A75, (1989)
45. W.Walecki and A.Twardowski SPIN DYNAMICS IN CdMnSe STUDIED BY FARADAY ROTATION TECHNIQUE Acta Physica Polonica A75, 313-315 (1989)
46. A.Twardowski MAGNETIC PROPERTIES OF HEXAGONAL Fe-BASED SEMIMAGNETIC SEMICONDUCTORS Solid State Commun. 68, 1069-1074 (1988)
47. A.Twardowski, H.J.M.Swagten and W.J.M. de Jonge THE d-d EXCHANGE INTERACTION IN THE SEMIMAGNETIC SEMICONDUCTOR ZnFeSe in Proc. of 19th ICPS, Warsaw 1988, ed. W.Zawadzki, Institute of Physics, Polish Academy of Sciences, Wroclaw, Poland (1989), p.1543-1546
48. H.J.M.Swagten, A.Twardowski, F.A.Arnouts, W.J.M. de Jonge and M.Demianiuk THE MAGNETIC PROPERTIES OF II-VI GROUP Fe-TYPE DILUTED MAGNETIC SEMICONDUCTORS J. de Physique, C8, 873-874 (1988)
49. A.M.Witowski, A.Twardowski, M.Pohlmann, W.J.M. de Jonge, A.Wieck, A.Mycielski and M.Demianiuk FIR PROPERTIES OF II-VI SEMIMAGNETIC SEMICONDUCTORS WITH IRON Solid State Commun. 70, 27-31 (1989)
50. A.Twardowski MAGNETIC AND OPTICAL PROPERTIES OF IRON-BASED SEMIMAGNETIC SEMICONDUCTORS Warsaw University Press, Warsaw (1988)
51. H.J.M.Swagten, F.A.Arnouts, A.Twardowski, W.J.M. de Jonge and A.Mycielski MAGNETIC SPECIFIC HEAT OF THE DILUTED MAGNETIC SEMICONDUCTOR HgFeSe Solid State Commun. 69, 1047-1051 (1989)
52. W.J.M. de Jonge, H.J.M.Swagten, C.E.P.Gerrits and A.Twardowski SPECIFIC HEAT STUDY OF FE-BASED NARROW AND WIDE GAP DILUTED MAGNETIC SEMICONDUCTORS Semicond. Sci. Technol. 5, S270-273 (1990)
53. A.Kotlicki, A.Twardowski and M.Demianiuk MOSBAUER STUDY OF ZnFeSe SEMIMAGNETIC SEMICONDUCTOR Acta Phys. Pol. A77, 147-149 (1990)
54. A.Twardowski, H.J.M.Swagten, W.J.M.de Jonge and M.Demianiuk SPECIFIC HEAT OF ZnCoSe SEMIMAGNETIC SEMICONDUCTOR Acta Phys. Pol. A77, 167-169 (1990)
55. M.Hausenblas, L.M.Claessen, A.Wittlin, A.Twardowski, M.von Ortenberg, W.J.M. de Jonge and P.Wyder FIR SPECTROSCOPY OF Fe-BASED SEMIMAGNETIC SEMICONDUCTORS Solid State Commun., 72, 253-257 (1989)
56. A.Twardowski, K.Pakula, M.Arciszewska and A.Mycielski MAGNETOSPECTROSCOPY OF FREE EXCITON IN CdFeSe SEMIMAGNETIC SEMICONDUCTOR Solid State Commun. 73, 601-606 (1990)
57. A.Twardowski MAGNETIC PROPERTIES OF Fe-BASED DILUTED MAGNETIC SEMICONDUCTORS J. Appl. Phys. 67, 5108-5113 (1990)
58. A.Twardowski MAGNETIC AND OPTICAL PROPERTIES OF Fe-BASED DMS in "Diluted Magnetic Semiconductors" ed. M.Jain, p.275, World Scientific Publishing Co., Singapore (1991)
59. A.Twardowski, K.Pakula, M.Arciszewska and A.Mycielski FREE EXCITON MAGNETOSPECTROSCOPY OF CdFeSe DILUTED MAGNETIC SEMICONDUCTOR Mater. Res. Soc. 161, p.503-507 "Properties of II-VI Semiconductors: Bulk Crystals, Epitaxial Films, Quantum Well Structures and Dilute Magnetic Systems" , ed. J.F.Schetzina, F.J.Bartoli and H.F.Schaake, (1990)
60. W.J.M.de Jonge, H.J.M.Swagten and A.Twardowski MAGNETIZATION STUDY OF Fe-BASED DILUTED MAGNETIC SEMICONDUCTOR Mater. Res. Soc. 161, p.485-490 "Properties of II-VI Semiconductors: Bulk Crystals, Epitaxial Films, Quantum Well Structures and Dilute Magnetic Systems" , ed. J.F.Schetzina, F.J.Bartoli and H.F.Schaake, (Material Research Society, Pittsburgh 1990)
61. H.J.M.Swagten, C.E.P.Gerrits, A.Twardowski and W.J.M. de Jonge MAGNETIZATION STEPS IN IRON-BASED DILUTED MAGNETIC SEMICONDUCTORS Phys. Rev. B41, 7330-7333 (1990)
62. A.Twardowski, H.J.M.Swagten and W.J.M. de Jonge LOW TEMPERATURE SPECIFIC HEAT OF THE DILUTED MAGNETIC SEMICONDUCTOR Hg1-x-yCdyFexSe Phys. Rev. B42, 2455-2464 (1990)
63. K.Lebecki, A.Twardowski and Z.Liro THE INFLUENCE OF JAHN-TELLER EFFECT ON MAGNETIC PROPERTIES OF Fe-BASED SEMIMAGNETIC SEMICONDUCTORS Acta Physica Polonica, A79, 373-375 (1991)
64. M.Arciszewska, K.Pakula, I.Perez and A.Twardowski EXCHANGE CONSTANTS OF CdFeSe SEMIMAGNETIC SEMICONDUCTORS Acta Physica Polonica, A79, 345-348 (1991)
65. R.Krevet, P.Kempf, M.von Ortenberg and A.Twardowski SUBMILIMITER MAGNETOSPECTROSCOPY ON ZnFeSe Acta Physica Polonica, A79, 381-383 (1991)
66. H.J.M.Swagten, A.Twardowski, E.H.H.Brentjens, W.J.M. de Jonge, M.Demianiuk and J.A.Gaj LOW TEMPERATURE SPECIFIC HEAT OF Fe-BASED DILUTED MAGNETIC SEMICONDUCTORS in Proc. of 20th ICPS (Thessaloniki '90), ed. E.M.Anastassakis and J.D.Joannopoulos, p.742-746, World Scientific Press (Singapore 1990)
67. A.Twardowski, K.Pakula, I.Perez, P.Wise and J.Crow MAGNETOREFLECTIVITY AND MAGNETIZATION OF CdFeSe SEMIMAGNETIC SEMICONDUCTOR Phys. Rev. B42, 7567-7575 (1990)
68. A.Twardowski MAGNETISM OF Fe-BASED DILUTED MAGNETIC SEMICONDUCTORS in "Diluted Magnetic Semiconductors and Semimagnetic Semiconductors" ed. M.Averous and M.Balkanski, Plenum Press (1991)
69. T.Q.Vu, V.Bindilatti, M.V.Kurik, Y.Shapira, A.Twardowski, E.J.McNiff, R.Kershaw, K.Dwight and A.Wold REVERSAL OF THE MAGNETIC ANISOTROPY OF CdFeSe IN HIGH MAGNETIC FIELDS Solid State Commun. 76, 605-608 (1990)
70. A.Twardowski, H.J.M.Swagten, W.J.M.de Jonge and M.Demianiuk MAGNETIC PROPERTIES OF THE DILUTED MAGNETIC SEMICONDUCTOR Zn1-xFexS Phys. Rev. B44, 2220-2226 (1991)
71. A.Twardowski MAGNETISM OF SEMIMAGNETIC SEMICONDUCTORS Physica Scripta, T39, 124-130 (1991)
72. K.Lebecki, A.Twardowski THE ROLE OF JAHN-TELLER EFFECT ON MAGNETIC PROPERTIES OF Fe-BASED SEMIMAGNETIC SEMICONDUCTORS Solid State Commun., 80, 377-381 (1991)
73. H.J.M.Swagten, A.Twardowski, E.Janse, P.J.T.Eggenkamp and W.J.M.de Jonge SPECIFIC HEAT OF THE DILUTED MAGNETIC SEMICONDUCTOR Zn1-xCoxSe Journal of Magn. and Magn. Mat. 104-107, 989-990 (1992)
74. R.Krevet, M.von Ortenberg, A.Twardowski, F.Scheerlinck, L.van Bockstal and F.Herlach EXCHANGE INTERACTION EFFECTS IN Fe and Co-BASED SEMIMAGNETIC SEMICONDUCTORS Physica B 177, 430-432 (1992)
75. T.Q.Vu, V.Bindilatti, Y.Shapira, A.Twardowski, M.Demianiuk and E.J.McNiff REVERSAL OF THE MAGNETIC ANISOTROPY OF Cd1-xFexS AT HIGH MAGNETIC FIELDS Solid State Commun. 81, 583-586 (1992)
76. A.Twardowski, P.Glod, P.Wise, J.E.Crow and M.Demianiuk MAGNETOREFLECTANCE AND MAGNETIZATION OF THE SEMIMAGNETIC SEMICONDUCTOR Zn1-xFexSe Phys. Rev. B46, 7537-7541 (1992)
77. A.Twardowski, D.Heiman, Y.Shapira, T.Q.Vu, M.Demianiuk RAMAN SPECTROSCOPY IN CdFeS: IRON ENERGY LEVELS AND SPIN-FLIP RAMAN SCATTERING Solid State Commun., 82, 229-233 (1992)
78. H.J.M.Swagten, A.Twardowski, P.J.T.Eggenkamp and W.J.M.de Jonge THE d-d EXCHANGE INTERACTION IN THE DILUTED MAGNETIC SEMICONDUCTOR Zn1-xCoxSe Phys. Rev. B46, 188-192 (1992)
79. A.Twardowski, H.J.M.Swagten and W.J.M. de Jonge Co-BASED II-VI SEMIMAGNETIC SEMICONDUCTORS in "II-VI Semiconductor Compounds", ed. M.Jain, World Scientific Press, Singapore (1993)
80. W.Mac, Nguyen The Khoi, A.Twardowski, J.A.Gaj and M.Demianiuk EXCHANGE INTERACTION IN ZnCrSe SEMIMAGNETIC SEMICONDUCTOR Acta Physica Polonica A 82, 902-904 (1992)
81. W.Lu, Y.M.Mu, J.P.Peng, M. von Ortenberg and A.Twardowski FAR INFRARED MAGNETOSPECTROSCOPY STUDY ON THE ELECTRONIC STRUCTURE OF Fe IN CdS in Proc. of 21 ICPS (Bejging '92, China), p.1733-1736 ed. Ping Jiang, Hou-zhi-Zheng, World Scientific, Singapore 1992
82. W.Lu, S.C.Shen, M. von Ortenberg, C.Wetzel, A.Twardowski, R.B.Tassius INTER-BAND TRANSITION MODULATED CYCLOTRON RESONANCE IN SEMICONDUCTOR in Proc. of 21 ICPS (Bejging '92, China), p.1052-1055 ed. Ping Jiang, Hou-zhi-Zheng, World Scientific, Singapore 1992
83. R.Krevet, M. von Ortenberg and A.Twardowski MAGNETOOPTICS ON CHROMIUM-BASED DILUTED MAGNETIC SEMICONDUCTORS in Proc. 17 Microwave Conf. (Pasadena 1992), SPIE - The International Society for Optical Engineering, Proc. Series, 1929, 224 (1992)
84. A.Twardowski, T.Fries, Y.Shapira, P.Eggenkamp, H.J.M.Swagten and M.Demianiuk MAGNETIC PROPERTIES OF THE DILUTED MAGNETIC SEMICONDUCTOR Zn1-xCrxSe J. Appl. Phys. 73, 5745-5747 (1993)
85. A.Twardowski, T.Fries, Y.Shapira and M.Demianiuk THE d-d EXCHANGE INTERACTION IN THE DILUTED MAGNETIC SEMICONDUCTOR Zn1-xFexS J. Appl. Phys. 73, 6087-6089 (1993)
86. W.Mac, Nguyen The Khoi, A.Twardowski, J.A.Gaj and M.Demianiuk FERROMAGNETIC p-d EXCHANGE IN Zn1-xCrxSe DILUTED MAGNETIC SEMICONDUCTOR Phys. Rev. Letters, 71, 2327-2330 (1993)
87. W.Lu, Y.M.Mu, J.P.Peng, S.C.Shen, M.von Ortenberg and A.Twardowski ANISOTROPY OT THE ELECTRONIC STRUCTURE OF Fe++ IN CdS IN A MAGNETIC FIELD Phys. Rev. B47, 16247-16251 (1993)
88. R.Krevet, A.Twardowski, M. von Ortenberg, W.Mac and M.Demianiuk LASER FIR MAGNETO-SPECTROSCOPY OF Zn1-xCrxSe Solid State Commun. 87, 709-712 (1993)
89. W.Mac, Nguyen The Khoi, J.A.Gaj, A.Twardowski, M.Demianiuk and A.Stachow-Uciakowska FARADAY ROTATION AND PHOTOIONIZATION OF ZnCrSe SEMIMAGNETIC SEMICONDUCTOR Acta Physica Pol. A84, 567-570 (1993)
90. A.Twardowski, P.Eggenkamp, W.Mac, H.J.M.Swagten and M.Demianiuk SPECIFIC HEAT OF Cr BASED SEMIMAGNETIC SEMICONDUCTORS Acta Physica Pol., A84, 563-565 (1993)
91. K.Chern-Yu, W.C.Chou, A.Twardowski, W.Y.Yu, S.T.Lee, A.Petrou, J.Warnock and B.T.Jonker LINE-SHAPE ANALYSIS OF REFLECTANCE SPECTRA FROM ZnSe/ZnFeSe SPIN SUPERLATTICE J. Appl. Physics, 75, 2988-2991 (1994)
92. W.C.Chou, A.Twardowski, K.Chern-Yu, F.R.Chen, C.R.Hua, B.T.Jonker W.Y.Yu, S.T.Lee, A.Petrou and J.Warnock OPTICAL STUDY OF STRAINED ZnSe/GaAs AND ZnMnSe/GaAs EPILAYERS J. Appl. Physics, 75, 2936-2940(1994)
93. A. Twardowski, K. Chern-Yu, F.R. Chen, S.S. Kuo, C.S.Ro, K.C. Chiu, W.C. Chou, S.L.Yang, D.S. Chuu and Y.F. Chen VALENCE BAND CRYSTAL FIELD SPLITTING OF HEXAGONAL DILUTED MAGNETIC SEMICONDUCTORS Physica Status Solidi (b), 181, 439-445 (1994)
94. A.Twardowski, X.C.Liu, D.Heiman, Y.Shapira and A.Wold LOW ENERGY LEVELS OF THE Fe++ ION IN ZnFeSe BY RAMAN SPECTROSCOPY Solid State Commun., 89, 245-248 (1994)
95. T.Fries, Y.Shapira, A.Twardowski, E.J.McNiff, T.Q.Vu, R.Kershaw, K.Dwight and A.Wold ANISOTROPY OF THE HIGH FIELD MAGNETIZATION OF Zn1-xFexSe Phys. Rev. B49, 11870-11876 (1994)
96. D.Kostyk, Y.Shapira, E.J.McNiff, T.Q.Vu and A.Twardowski MAGNETIC ANISOTROPY AND PHASE TRANSITIONS OF (100) EuTe/PbTe SUPERLATTICE AND OF (100) EuTe FILM Solid State Commun. , 92, 473-476 (1994)
97. W.Mac, A.Twardowski, P.J.T.Eggenkamp, H.J.M.Swagten, Y.Shapira and M.Demianiuk MAGNETIC PROPERTIES OF Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS Phys. Rev. B 50, 14144-14154 (1994)
98. A.Twardowski, Y.F.Chen, W.C.Chou and M.Demianiuk THE d-d EXCHANGE INTERACTION IN THE DILUTED MAGNETIC SEMICONDUCTOR Cd1-xFexS Solid State Commun., 90, 493-496 (1994)
99. W.Mac, A.Twardowski, M.Boonman, J.Perenboom, R.Krevet, M. von Ortenberg and M.Demianiuk FIR LASER ABSORPTION OF Zn1-xCrxS Physica B211, 384-387 (1995)
100. W.Mac, T.Story and A.Twardowski MAGNETIZATION OF Pb1-xCrxTe SEMIMAGNETIC SEMICONDUCTOR Acta Physica Polonica, A87, 492-494 (1995)
101. A.Twardowski Cr-BASED SEMIMAGNETIC SEMICONDUCTORS Acta Physica Polonica A87, 85-93 (1995)
102. W.Mac, A.Twardowski, A.M.Hennel MAGNETIC PROPERTIES OF GaAs HEAVILY DOPED WITH Mn in Proc. 22 International Conference on Physics of Semiconductors (Vancouver 1994), ed. D.J.Lockwood, p.2569-2572 (World Scientific, 1995)
103. W.Mac, Nguyen The Khoi and A.Twardowski THE FERROMAGNETIC p-d EXCHANGE IN Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS in Proc. 22 International Conference on Physics of Semiconductors (Vancouver 1994), ed. D.J.Lockwood, p. 2573-2576 (World Scientific, 1995)
104. X.C.Liu, D.Heiman, A.Twardowski, T.Fries and Y.Shapira RAMAN SCATTERING OF Fe AND Co IONS AND BOUND MAGNETIC POLARONS IN DILUTED MAGNETIC SEMICONDUCTORS in Proc. 22 International Conference on Physics of Semiconductors (Vancouver 1994), ed. D.J.Lockwood, p.2505-2508 (World Scientific, 1995)
105. A.Twardowski NEW p-d EXCHANGE INTERACTION IN Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS Material Science Forum, 182-184, p.599-604, Trans Tech Publications (Switzerland 1995)
106. J.Pietruczanis, W.Mac, A.Twardowski, G.Karczewski, T.Wojtowicz, E.Janik and J.Kossut MAGNETIC PHASE DIAGRAM OF HIGHLY CONCENTRATED Cd1-xMnxTe (0.6<x<1.0) Material Science Forum, 182-184, p.687-690, Trans Tech Publications (Switzerland 1995)
107. J.Misiewicz, L.Bryja and A.Twardowski SOME PROPERTIES OF (Zn1-xMnx)3P2 - A NEW SEMIMAGNETIC SEMICONDUCTORS Jpn. J. Appl. Phys. 32, Suppl. 32-3, 382-383 (1993)
108. W.Y.Yu, A.Twardowski, L.P.Fu, A.Petrou and B.T.Jonker MAGNETO-ANISOTROPY IN Zn1-xMnxSe STRAINED EPILAYERS Phys. Rev. B51, 9722-9727 (1995)
109. U.Gennser, X.C.Liu, T.Q.Vu, D.Heiman, T.Fries, Y.Shapira, M.Demianiuk and A.Twardowski EXCHANGE ENERGIES, BOUND MAGNETIC POLARONS, AND MAGNETIZATION IN CdSe:Co AND CdS:Co Phys. Rev. B51, 9606-9611 (1995)
110. A.Twardowski RECENT DEVELOPMENT OF DILUTED MAGNETIC SEMICONDUCTORS Chinese Journal of Physics, 33, 375-383 (1995)
111. G.H.McCabe, Y.Shapira, V.Bindilatti, N.F.Oliveira, A.Twardowski, W.Mac, E.J.McNiff and M.Demianiuk DISTRIBUTION OF JAHN-TELLER DISTORTIONS OF Cr++ IN ZnTe FROM MAGNETIZATION STEPS Solid State Commun., 95, 841-844 (1995)
112. A.Stachow, W.Mac, Nguyen The Khoi, A.Twardowski, G. Karczewski, E.Janik, T.Wojtowicz and J.Kossut. TEMPERATURE DEPENDENCE OF ENERGY GAP OF HIGHLY CONCENTRATED Cd1-xMnxTe (0.6<x#1.0) EPILAYERS Acta Physica Pol. A88, 913-916 (1995)
113. W.Mac, M.Herbich, Nguyen The Khoi, A.Twardowski, Y.Shapira and M.Demianiuk THE s,p-d EXCHANGE CONSTANTS OF ZnFeTe DILUTED MAGNETIC SEMICONDUCTOR Acta Physica Pol. A88, 845-848 (1995)
114. M.E.J.Boonman, W.Mac, A.Wittlin, A.Twardowski, M.Demianiuk HIGH-FIELD EPR OF Zn1-xCrxTe Acta Physica Pol. A88, 829-832 (1995)
115. W.C. Chou, S.S. Kuo, and F.R. Chen, A. Twardowski, J.Tworzydło and Y.F. Chen EXCHANGE DISORDER BAND BENDING OF THE Cd1-xFexS DILUTED MAGNETIC SEMICONDUCTOR Physica Status Solidi (b), 193, 125-133 (1996)
116. Y.F.Chen, W.C.Chou and A.Twardowski SPIN-GLASS-LIKE BEHAVIOUR OF Fe-BASED DILUTED MAGNETIC SEMICONDUCTORS Solid State Commun., 96, 865-869 (1995)
117. W.Mac, Nguyen The Khoi, A.Twardowski and M.Demianiuk THE s,p-d EXCHANGE INTERACTION IN ZnCrTe DILUTED MAGNETIC SEMICONDUCTOR J. Crystal Growth, 159, 993-996 (1996)
118. X.C.Liu, U.Gennser, T.Q.Vu, D.Heiman, M.Demianiuk and A.Twardowski LOW-ENERGY RAMAN SCATTERING FROM Co++ ELECTRONIC TRANSITIONS IN CdS:Co Phys. Rev. B52, 17199-17204 (1995)
119. W.Mac, M.Herbich, Nguyen The Khoi, A.Twardowski, Y.Shapira and M.Demianiuk THE s,p-d EXCHANGE INTERACTION IN Zn1-xFexTe Phys. Rev. B53, 9532-9535(1996)
120. A.Twardowski, D.Heiman, M.T.Liu, Y.Shapira and M.Demianiuk RAMAN SPECTROSCOPY OF Cd1-xCrxS Phys. Rev. B53, 10728-10731 (1996)
121. W.Mac, A.Twardowski and M.Demianiuk THE s,p-d EXCHANGE INTERACTION IN Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS Phys. Rev. B54, 5528-5535 (1996)
122. J.Szczytko, W.Mac, A.Stachow, A.Twardowski, P.Becla and J.Tworzydło THE s,p-d EXCHANGE INTERACTION IN GaAs HEAVILY DOPED WITH Mn Solid State Commun. 99, 927-931 (1996)
123. M.Herbich, W.Mac, A.Twardowski and M.Demianiuk MAGNETIC ANISOTROPY OF V++ INCdS Acta Physica Polonica, A90, 809-812 (1996)
124. M.Herbich, W.Mac, A.Stachow, A.Twardowski, J.Tworzydło and M.Demianiuk EFFECTS OF SPIN DEPENDENT POTENTIAL FLUCTUATIONS ON FREE EXCITON ZEEMAN SPLITTING OFZn1-xMnxSe Acta Physica Polonica, A90, 813-816 (1996)
125. J.Szczytko, A.Stachow, W.Mac, A.Twardowski, P.Becla and J.Tworzydło MAGNETOOPTICAL STUDY OF GaAs:Mn Acta Physica Polonica, A90, 951-954 (1996)
126. K.Ando and A.Twardowski MAGNETO-OPTIC PROPERTIES OF Cr-DOPED DILUTED MAGNETIC SEMICONDUCTORS in Proc. 23 International Conference on Physics of Semiconductors (Berlin 1996), eds. M.Scheffler and R.Zimmermann, p.285-288, World Scientific (Singapore 1996)
127. M.E.J.Boonman, J.A.A.J.Perenboom, P.J.M. van Bentum, A.Wittlin, J.C.Maan, W.Mac, A.Twardowski, S.O.Hill, R.Kato, H.Sawa and S.Aonuma HIGH FIELD MILLIMETER WAVE SPECTROSCOPY in Proc.12 Int. Conf. Appl. High Magnetic Fields (Wurtzburg '96)
128. A.Stachow-Wójcik, A.Twardowski, T.Story, W.Dobrowolski, E.Grodzicka and A.Sipatow MAGNETIC PROPERTIES OF EuS/PbS SEMICONDUCTING STRUCTURES Acta Physica Polonica, A92, 985-988 (1997)
129. Ł.Kłopotowski, M.Herbich, W.Mac, A.Stachow-Wójcik, A.Twardowski INFLUENCE OF LOCAL POTENTIAL ON EXCITON SPLITTING IN Cd1-xMnxTe Acta Physica Polonica, A92, 837-840 (1997)
130. M.Herbich, W.Mac, A.Twardowski and M.Demianiuk EXCHANGE PARAMETERS OF CdCrS SEMIMAGNETIC SEMICONDUCTOR Acta Physica Polonica, A92, 774 (1997)
131. M.Herbich, Ł.Kłopotowski, W.Mac, A.Stachow-Wójcik, A.Twardowski, J.Tworzyd³o and M.Demianiuk INFLUENCE OF LOCAL POTENTIALS ON A SPIN SPLITTING IN DILUTED MAGNETIC SEMICONDUCTOR J.Crystal Growth 184/185, 992-996 (1998)
132. M.Herbich, W.Mac, A.Twardowski, A.Petrou and M.Demianiuk THE s,p-d EXCHANGE INTERACTION OF Cd0.997Cr0.003S J.Crystal Growth 184/185, 1000-1004 (1998)
133. K.Ando, T.Hayashi, M.Tanaka and A.Twardowski MAGNETOOPTIC EFFECT OF THE FERROMAGNETIC DILUTED MAGNETIC SEMICONDUCTOR Ga1-xMnxAs J.Appl.Phys. 83, 6548-6550 (1998)
134. M.Herbich, W.Mac, A.Twardowski, K.Ando, Y.Shapira and M.Demianiuk MAGNETIZATION AND EXCITON SPECTROSCOPY OF THE DILUTED MAGNETIC SEMICONDUCTOR Cd1-xCrxS Phys. Rev. B58, 1912-1921 (1998)
135. M.S.Salib, G.Kioseoglu, H.C.Chang, H.Luo, A.Pertou, M.Dobrowolska, J.Furdyna and A.Twardowski MAGNETOLUMINESCENCE STUDY OF A TWO-DIMENSIONAL ELECTRON GAS CONFINED IN DILUTED MAGNETIC SEMICONDUCTOR QUANTUM WELLS Phys. Rev. B57, 6278-6281 (1998)
136. E.Janik, E.Dynowska, J.Bąk-Misiuk, T.Wojtowicz, G.Karczewski, J.Kossut, A.Stachow-Wójcik, A.Twardowski, W.Mac and K.Ando ZINC-BLENDE Mg1-xMnxTe - A NEW DILUTED MAGNETIC SEMICONDUCTOR SYSTEM J. Crystal Growth 184/185, 976-979 (1998)
137. M.Herbich, A.Twardowski, D.Scalbert and A.Petrou BOUND MAGNETIC POLARON IN Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS Phys. Rev. B58, 7024-7034 (1998)
138. A.Twardowski DILUTED MAGNETIC SEMICONDUCTORS: RECENT DEVELOPMENT Physics of Semiconductor Devices, eds. V.Kumar and S.K.Agarwal, Narosa Publishing House, New Delhi, India, 1998, p.1135-1145
139. Y.H.Matsuda, H.Arimoto, N.Miura, A.Twardowski, H.Ohno, A.Shen and F.Matsukura CYCLOTRON RESONANCE IN Cd1-xFexS AND Ga1-xMnxAs AT MEGAGAUSS MAGNETIC FIELDS Physica B 258, 565-568 (1998)
140. T.Yasuhira, K.Uchida, N.Miura and A.Twardowski ANOMALOUS PHOTON ENERGY AND FIELD DEPENDENCIES OF THE FARADAY ROTATION IN ZnMnSe UNDER HIGH MAGNETIC FIELDS J. Phys. -Condensed Matter, 10 (49) 11611-11615 (1998)
141. A.Twardowski THE NATURE OF Mn IMPURITYAND EXCHANGE INTERACTION IN Ga1-xMnxAs DILUTE MAGNETIC SEMICONDUCTOR Materials Science and Engineering, B63, 96-102 (1999)
142. M.Herbich, W.Mac, A.Twardowski and M.Demianiuk THE ROLE OF JAHN-TELLER EFFECT OF V++ ION IN THE MAGNETIC ANISOTROPY OF THE Cd1-xVxSe AND Cd1-xVxS Phys. Rev. B59, 2726-2730 (1999)
143. J.Szczytko, W.Mac and A.Twardowski, F. Matsukura and H. Ohno ANTIFERROMAGNETIC p-d EXCHANGE IN FERROMAGNETIC Ga1-xMnxAs EPILAYERS Phys. Rev. B59, 12935-12939 (1999)
144. T. Story, C.H.W. Swuste, H.J.M. Swagten, W.J.M. de Jonge, A. Stachow-Wójcik, A.Twardowski, M. Arciszewska, W. Dobrowolski, R.R. Galazka and A.Yu. Sipatov MAGNETIC ANISOTROPY IN EuS-PbS MULTILAYERS Acta Phys. Pol. A97, 1-5 (1999).
145. J.Szczytko, A.Twardowski, K.Świątek, M.Palczewska, M.Tanaka, T.Hayashi and K.Ando Mn IMPURITY IN Ga1-xMnxAs EPILAYERS Phys. Rev. B60, 8304-8308 (1999)
146. T.Yasuhira, K.Ushida, M.H.Matsuda, N.Miura and A.Twardowski FARADAY ROTATION STUDY OF THE NEAREST NEIGHBOR ANTIFERROMAGNETIC EXCHANGE INTERACTION IN ZnMnSe IN HIGH MAGNETIC FIELDS J.Phys. Soc. Jpn. 68, 3436-3440 (1999)
147. T.Yasuhira, K.Uchida, Y.H.Matsuda, N.Miura and A.Twardowski MAGNETIC AND NON-MAGNETIC FARADAY ROTATION IN ZnMnSe IN HIGH MAGNETIC FIELDS Semicond. Sci. Technol. 14, 1161-1164 (1999)
148. A.Stachow-Wójcik, T.Story, W.Dobrowolski, M.Arciszewska, R.R.Galazka, M.W.Kreijveld, C.H.W.Swuste, H.J.M.Swagten, W.J.M. de Jonge, A.Twardowski and A.Yu.Sipatov FERROMAGNETIC TRANSITION IN EuS-PbS MULTILAYERS Phys. Rev. B60, 15220-15229 (1999)
149. A. Stachow-Wójcik, W. Mac, A. Twardowski, G. Karczewski, E. Janik, T. Wojtowicz and J. Kossut MAGNETIC PROPERTIES OF Cd1-xMnxTe AND Zn1-xMnxTe EPILAYERS WITH HIGH CONCENTRATION OF Mn Physica Status Solidi (a), 177, 555-566 (2000)
150. W.Mac, M.Herbich, A.Twardowski and M.Demianiuk THE FERROMAGNETIC p-d EXCHANGE INTERACTION IN Cd1-xVxS Semiconductor Science and Technology, 15, 748-751 (2000)
151. K.Ando, R.Shioda, T.Hayashi, A.Twardowski and M.Tanaka CRYSTALLOGRAPHIC AND ELECTRONIC STRUCTURES OF III-V BASED DILUTED MAGNETIC SEMICONDUCTOR GaMnAs Bulletin of the Electrotechnical Laboratory, vol.63, no.1-2, pp.29-35, (1999).
152. M.E.J.Boonman, W.Mac, A.Twardowski, A.Wittlin, P.J.M. van Bentum, J.C.Maan and M.Demianiuk HIGH-MAGNETIC-FIELD EPR OF Cr-BASED DILUTED MAGNETIC SEMICONDUCTORS Phys. Rev. B61, 5358 (2000)
153. J.Szczytko, A.Twardowski, M.Palczewska, R.Jabłoński, J.K.Furdyna and H.Munekata ELECTRON PARAMAGNETIC RESONANCE OF Mn IMPURITY IN InMnAs EPILAYERS Phys. Rev. B63, 085315 (2001)
154. J.Szczytko, A.Twardowski, M.Palczewska, R.Jabłoński and H.Munekata Mn IMPURITY IN InMnAs EPILAYERS Proc. 9th Int. Conf. On Narrow Gap Semiconductors (Berlin, 99), p.179, Eds: N. Puhlmann, H.U. Muller, M. von Ortenberg, Magnetotransport, Institute of Physics, Humbolt University of Berlin, Germany (2000)
155. Y.H.Matsuda, N.Miura, S.Kuroda, M.Shibuya, K.Takita and A.Twardowski POSSIBLE s-d HYBRIDIZATION EFFECT ON THE CYCLOTRON MASS IN II-VI DILUTED MAGNETIC SEMICONDUCTORS AT MEGAGAUSS FIELDS Physica B, 294-295, 467 (2001)
156. A.Twardowski DILUTED MAGNETIC III-V SEMICONDUCTORS Acta Physica Polonica, A98, 203 (2000)
157. T.Story, C.H.W.Swuste, H.J.M.Swagten, W.J.M. de Jonge, A.Stachow-Wójcik, A.Twardowski, M.Arciszewska, W.Dobrowolski, R.R.Galazka and A.Yu.Sipatov MAGNETIC ANISOTROPY IN EuS-PbS EPILAYERS Acta Physica Polonica, 97, 435 (2000)
158. T.Yasuhira, K.Ushida, Y.H.Matsuda, N.Miura and A.Twardowski GIANT FARADAY ROTATION SPECTRA OF ZnMnSe OBSERVED IN HIGH MAGNETIC FIELDS UP TO 150T Phys. Rev. B61, 4685 (2000)
159. J.Szczytko, W.Bardyszewski and A.Twardowski OPTICAL ABSORPTION IN RANDOM MEDIA: APPLICATION TO GaMnAs EPILAYERS Phys. Rev. B64, 075306 (2001)
160. T.Story, M.Arciszewska, M.Chernyshova, W. Dobrowolski, W.Mac, A.Twardowski, R. Świrkowicz and A.Yu. Sipatov THE EFFECT OF STRESS ON MAGNETIC PROPERTIES OF FERROMAGNETIC EuS-PbS AND EuS-PbSe SEMICONDUCTOR STRUCTURES Proc. 25th Int. Conf. Phys. Semicond. 2000 (Osaka, Japan), eds.N.Miura and T.Ando, p.256, Springer (2001)
161. M.Zając, R.Doradziński, J.Gosk, J.Szczytko,, M.Lefeld-Sosnowska, M.Kamiñska, A.Twardowski, M.Palczewska, E.Grzanka and W.Gębicki MAGNETIC AND OPTICAL PROPERTIES OF GaMnN MAGNETIC SEMICONDUCTOR Applied Physics Letters 78, 1276 (2001)
162. H.Kępa, J.Kutner-Pielaszek, J.Blinowski, A.Twardowski, C.F.Majkrzak, T.Story, P.Kacman, R.R.Galazka, K.Ha, H.J.M.Swagten, W.J.M. de Jonge, A.Yu.Sipatov and T.M.Giebultowicz INTERLAYER CORRELATIONS IN FERROMAGNETIC SEMICONDUCTOR SUPERLATTICE EuS/PbS J.Magn. Magn. Mat., 226-230, 1795 (2001)
163. T.Szyszko, G.Kamler, B.Strojek, G.Weisbrod, S.Podsiadło, L. Adamowicz, W.Gębicki, J.Szczytko, A.Twardowski and K.Sikorski GROWTH OF BULK Ga1-xMnxN SINGLE CRYSTALS J. Crystal Growth, 233, 631 (2001)
164. A.Babiński, P.Witczak, A.Twardowski and J.Baranowski ELECTROLUMINESCENCE FROM A FORWARD-BIASED SCHOTTKY BARRIER DIODE ON MODULATION SI d-DOPED GaAs/InGaAs/AlGaAs HETEROSTRUCTURE Applied Physics Letters, 78, 3992 (2001)
165. W.Gębicki, L.Adamowicz, M.Palczewska, M.Zając, J.Szczytko, T.Szyszko, S.Podsiadło and A.Twardowski MAGNETAND STRUCTURAL PROPERTIES OF GaMnN MIXED CRYSTALS Electrochemical Society Proceedings, 2001-1, 84 (2001)
166. M.Zając, J.Gosk, M.Kamińska, A.Twardowski, J.Szyszko and S.Podsiadło PARAMAGNETISM AND ANTIFERROMAGNETIC d-d COUPLING IN GaMnN MAGNETIC SEMICONDUCTOR Applied Phys. Letters, 79, 2432 (2001)
167. H.Kępa, J.Kutner-Pielaszek, J.Blinowski, A.Twardowski, C.F.Majkrzak, T.Story, P.Kacman, R.R.Galazka, K.Ha, H.J.M.Swagten, W.J.M de Jonge, A.Yu. Sipatov and T.M.Giebultowicz ANTIFERROMAGNETIC INTERLAYER COUPLING IN FERROMAGNETIC SEMICONDUCTOR EuS/PbS (001) SUPERLATTICE Europhysics Letters, 56, 54 (2001)
168. H.Kępa, J.Kutner-Pielaszek, A.Twardowski, C.F.Majkrzak, J.Sadowski, T.Story, and T.M.Giebultowicz FERROMAGNETISM OF GaMnAs STUDIED BY POLARIZED NEUTRON REFLECTOMETRY Phys. Rev. B64, 121302 (R), (2001)
169. A.Woloś, P.Kossacki, A.Golnik, M.Kamińska, J.A.Gaj, A.Twardowski, I.Grzegory, M.Boćkowski and S.Porowski MEASUREMENT OF VERY SMALL ZEEMAN SPLITTING IN GaN:Mn, Mg BY FARADAY ROTATION Acta Physica Polonica, 102, 695 (2002)
170. I.Kuryliszyn, A.Stachow-Wójcik, A.Twardowski, E.Janik, E.Dynowska, J.Bąk-Misiuk MAGNETOOPTICAL STUDY OF s,p-d EXCHANGE INTERACTION IN ZINC BLENDE Mg1-xMnxTe Solid State Commun. 122, 213 ( 2002)
171. Y.Sasaki, X.Liu, J.K.Furdyna, M.Palczewska, J.Szczytko and A.Twardowski FERROMAGNETIC RESONANCE IN GaMnAs J.Appl. Physics, 91, 7484 (2002)
172. H.Kepa, J.Kutner-Pielaszek, A.Twardowski, C.F.Majkrzak, T.Story, J.Sadowski and T.M.Giebultowicz POLARIZED NEUTRON REFLECTOMETRY STUDIES OF GaMnAs/GaAs SUPERLATTICES Appl. Phys. A74, S1526 (2002)
173. J.Gosk, M.Zając, M.Byszewski, K.Kamińska, J.Szczytko, A.Twardowski, B.Strojek and S.Podsiadło MAGNETIC PROPERTIES OF (Ga, Fe)N J.Superconductivity, 16, 79 (2003)
174. M. Zając, J. Gosk, E. Grzanka, M. Kamińska, A.Twardowski, B. Strojek, T. Szyszko, S. Podsiadło POSIBLE ORIGIN OF FERROMAGNTISM OF (Ga,Mn)N J.Appl. Physics, 93, 4715 (2003)
175. A.Wołoś, M. Palczewska, Z. Wilamowski, M. Kaminska, A. Twardowski, M.Boćkowski, I. Grzegory and S. Porowski Mn IMPURITY IN GaN STUDIED BY ELECTRON PARAMAGNETIC RESONANCE Acta Phys. Pol. A, 103, 595 (2003)
176. J.Gosk, M.Zając, M.Kamińska, A.Twardowski, I.Grzegory, M.Bockowski, S.Porowski OBSERVATION OF MAGNETIC ANISOTROPY IN BULK GaMnN : Mg CRYSTALS Acta Phys. Polonica A 103, 665 (2003)
177. B.Macieja, K.P.Korona, M.Piersa, A.M.Witowski, D.Wasik, A.Wysmolek, G.Strzelecka, A.Palczewska, M.Kaminska, A.Twardowski FORMATION ON Mn-RELATED DEFECT BAND IN InP, Acta Phys.Polonica A 103, 637 (2003)
178. M. Kaminska, A. Twardowski LT GaMnAs AND GaMnN PROSPECT MATERIALS FOR SPINTRONICS IEE SIMC-XII Proceedings, ed. J. Breza, F. Dubecky and J. Osvald, p. 133, IEEE Proc. IEEE, Piscataway, NJ, USA (2003)
179. A.Wolos, M.Zając, J.Gosk, M.Palczewska, M.Kaminska, A.Twardowski, M.Bockowski, I.Grzegory and S.Porowski Mn IMPURITY IN GaN MONOCRYSTALS Proc. 26th ICPS, Edinburgh 2002, ed.A.R.Long, J.H.Davis, IOP Publishing Ltd. 2003, D441-D447
180. A.Babiński, P.Witczak, S.Lavorik and A.Twardowski LOW TEMPERATURE LIGHT EMISSION IN A FORWARD-BIASED SCHOTTKY DIODE WITH n-DOPED CHANNEL Proc. Int. Semiconducting and Insulating Materials Conf, IEEE, 279, 2000
181. A.Wołoś, M. Palczewska, Z. Wilamowski, M. Kaminska, A. Twardowski, M.Boćkowski, I. Grzegory and S. Porowski S-d EXCHANGE INTERACTION IN GaN:Mn SUDIED BY ELECTRON PARAMAGNETIC RESONANCE Applied Phys. Lett. 83, 5428-5430 (2003)
182. S.Podsiadło, T.Szyszko, W.Gębicki, J.Gosk, R.Bacewicz, L.Dobrzycki, K.Woźniak, M.Zając and A.Twardowski SYNTHESIS OF BULK GaMnN: A PROSPECTIVE SPINTRONIC MATERIAL Chemistry of Materials, 15, 4533 (2003)
183. A.Wołoś, M. Palczewska, M.Zając, J.Gosk, M. Kaminska, A. Twardowski, M.Boćkowski, I. Grzegory and S. Porowski OPTICAL AND MAGNETIC PROPERTIES OF Mn IN BULK GaN Phys. Rev. B69, 115210 (2004)
184. A.Wołoś, M.Kamińska, M.Palczewska, A.Twardowski, X.Liu, T.Wojtowicz and J.K.Furdyna PROPERTIES OF ARSENIC ANTISITES DEFECTS IN Ga1-xMnxAs J. Appl.Physics, 96, 530 (2004)
185. K. Dziatkowski, M. Palczewska, T. Słupiński and A. Twardowski FERROMAGNETIC RESONANCE IN EPITAXIAL (In0.53Ga0.47)1-xMnxAs: ANGLE- AND TEMPERATURE-DEPENDENT STUDIES Phys. Rev. B70, 115202 (2004)
186. A.Wołoś, A. Wysmolek, M.Kamińska, A.Twardowski, M. Bockowski, I.Grzegory, S. Porowski, M. Potemski NEUTRAL MN ACCEPTOR IN BULK GaN IN HIGH MAGNETIC FIELDS Phys. Rev. B70, 245202 (2004)
187. J. Gosk, M. Zając, A. Wolos, M. Kaminska, A. Twardowski, I. Grzegory, M. Bockowski, and S. Porowski MAGNETIC ANISOTROPY OF BULK GaN:Mn SINGLE CRYSTALS CODOPED WITH Mg ACCEPTORS Phys. Rev. B 71, 094432 (2005)
188. R.Kaczorowski, J.Gosk, I.Kulszewicz-Bajer and A.Twardowski SYNTHESIS, SPECTROSCOPIC AND MAGNETIC PROPERTIES OF m-p ANILINE TETRAMERS Synthetic Metals, 151, 106-113 (2005)
189. G Kalisz, E. Grzanka, D. Wasik, A. Świderska-Środa, S Gierlotka, J Borysiuk, M.Kamińska, A.Twardowski, B. Pałosz FABRICATION AND PHYSICAL PROPERTIES OF SiC-GaAs NANO-COMPOSITES Acta Phys. Pol. A 108, 717-722 (2005)
190. A. Rutkowska, D.Wasik, A.Witowski, M.Sadowski, W.Orłowski, G.Strzelecka, A.Hruban, M.Kamińska, A.Twardowski, M.Potemski INFRARED SPECTROSCOPY OF GaAs DOPED WITH Mn Acta Phys. Pol. A 108, 845-850 (2005)
191. M.Pawłowski, M.Piersa, A.Wołoś, M.Palczewska, G.Strzelecka, A.Hruban, J.Gosk, M.Kamińska, A.Twardowski Mn IMPURITY IN BULK GaAs CRYSTAL Acta Phys. Pol. A 108, 825-830 (2005)
192. M.Jaworek, A.Wysmołek, M.Kamińska, A.Twardowski, M.Boćkowski, I.Grzegory PHOTOLUMINESCENCE STUDY OF BULK GaN DOPED WITH BERYLLIUM Acta Phys. Pol. A 108, 705-710 (2005)
193. A.Wołoś, A.Wysmołek, M.Kamińska, A.Twardowski, M.Boćkowski, I.Grzegory, S.Porowski, M.Potemski NEUTRAL Mn ACCEPTOR IN GaN STUDIED IN HIGH MAGNETIC FIELDS Proc.Conf. Physics of Semiconductors ICPS-27: 27th Intern. Conf. Phys. Semicond., Flagstaff, Arizona 16-30 July 2004, str. 251-252, AIP (American Institute of Physics) Publishing, (2005)
194. K.Dziatkowski, Ł.Cywiński, W.Bardyszewski, A.Twardowski, H.Saito, K.Ando INFLUENCE OF DISORDER ON THE OPTICAL ABSORPTION IN SEMICONDUCTORS: APPLICATION TO EPITAXIALLY GROWN III-V COMPOUNDS Phys. Rev. B73, 235340 (2006)
195. G. Kalisz, E. Grzanka, D. Wasik, A. Swiderska-Sroda, S. Gierlotka, J. Borysiuk, M. Kaminska, A.Twardowski and B. Palosz FABRICATION AND PHYSICAL PROPERTIES OF SiC-GaAs NANO-COMPOSITES Solid State Phenomena 114, 297-300 (2006)
196. J.Gosk, G.Strzelecka, G.Kowalski, A.Hruban, M.Kaminska, A.Twardowski, J.Gronkowski OBSERVATION OF SUPERCONDUCTIVITY IN HIGHLY Cr-DOPED GaP SINGLE CRYSTALS Acta Phys. Pol. A110, 189 (2006)
197. A.Kwiatkowski, J.Borysiuk, R.Bozek, D.Wasik, M.Kaminska, J.Sadowski, A.Twardowski MnAs NANOCRYSTALS EMBEDDED IN GaAs Acta Phys. Pol. A110, 233 (2006)
198. K.Dziatkowski, Z.Ge, X.Liu, J.K.Furdyna, A.Twardowski ASYMETRIC MAGNETIZATION REVERSAL IN THE EXCHANGE BIASED MnO/(Ga, Mn)As HETEROSTRUCTURE STUDIED BY FERROMAGNETIC RESONANCE Acta Phys. Pol. A110, 319 (2006)
199. M.Kamiński, T.Szyszko, S Podsiadło, K.Woźniak, Ł.Dobrzycki, W.Gębicki, J.Gosk, M.Zając, A.Twardowski GROWTH OF Ga(Mn,Si)N OF BULK SINGLE CRYSTALS J. Crystal Growth 291, 12-17 (2006)
200. J.Gosk, M.Drydas, J.Janik, M.Palczewska, R.Paine, A.Twardowski MAGNETIC AND OPTICAL PROPERTIES OF (GaMn)N NANOCRYSTALLINE POWDERS PREPARED BY THE AEROSOL-ASSISTED VAPOUR PHASE SYNTHESIS AND ANAEROBIC IMIDE ROUTE METHODS Journal of Phys. D, 39, 3717-3725 (2006)
201. J.Gosk, I Kulszewicz-Bajer, A.Twardowski MAGNETIC PROPERTIES OF POLYANILINE DOPED WITH FeCl(3) Synthetic Metals 156, 773-778 (2006)
202. K.Korona, A.Wysmołek, M.Kamińska, A.Twardowski, M Piersa, M Palczewska, G Strzelecka, A Hruban, J Kuhl, R Adomavicius, A Krotkus MANGANESE AS A FAST CHARGE CARRIER TRAPPING CENTER IN InP Physica B, 382, 220-228 (2006)
203. Z.Lipińska, M.Pawłowski, H.Żołnierowicz, A.Wysmołek, M.Palczewska, M.Kamińska, A.Twardowski, M.Boćkowski, I.Grzegory PHOTOLUMINESCENCE AND ELECTRON PARAMAGNETIC RESONANCE STUDIES OF BULK GaN DOPED WITH GADOLINIUM Acta Phys. Pol. A 110, 243-248 (2006)
204. I.Kulszewicz-Bajer, M.Zagórska, I.Wielgus, M.Pawłowski, J.Gosk and A.Twardowski HIGH-SPIN RADICAL CATIONS OF ALTERNATING POLY (m-p-anilines) J. Phys. Chem. B 111, 3440 (2007)
205. M. Bystrzejewski, A. Huczko, H. Lange, P.Baranowski, G.Cota-Sanchez, G.Soucy, J.Szczytko and A.Twardowski LARGE SCALE CONTINUOUS SYNTHESIS OF CARBON-ENCAPSULATED MAGNETIC NANOPARTICLES Nanotechnology 18, 145608 (2007)
206. A. Kwiatkowski, D. Wasik, M. Kamińska, R. Bożek, J. Szczytko, A.Twardowski, J. Borysiuk, J. Sadowski and J. Gosk STRUCTURE AND MAGNETISM OF MnAs NANOCRYSTALS EMBEDDED IN GaAs AS A FUNCTION OF POST-GROWTH ANNEALING TEMPERATURE J. Appl. Phys. 101, 113912 (2007)
207. A. Kwiatkowski, D. Wasik, M. Kamińska, R. Bożek, J. Szczytko, A.Twardowski, J. Borysiuk, J. Sadowski and J. Gosk STRUCTURE AND MAGNETISM OF MnAs NANOCRYSTALS EMBEDDED IN GaAs AS A FUNCTION OF POST-GROWTH ANNEALING TEMPERATURE Virtual Journal of Nanoscale Science & Technology, 15, issue 25 (June 25), 2007.
208. I. Kulszewicz-Bajer, J. Gosk, M. Pawłowski, S. Gambarelli, D. Djurado and A.Twardowski FERROMAGNETIC SPINS INTERACTION IN Poly(m-p-aniline) J. Phys. Chem. B Letters 111, 9241 (2007)
209. A. Niedzwiadek, A. Wysmolek,, D. Wasik, J. Szczytko, M. Kaminska, A.Twardowski, M.L. Sadowski, M. Potemski, B. Clerjaud, B. Pastuszka, B. Łucznik, I. Grzegory MAGNETO-OPTICAL STUDIES OF IRON IMPURITY IN HVPE GaN Physica B 401-402, 458-461 (2007)
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