Crystallization of (Th1-xUx)3As4 ferromagnetic semiconductor from the Ga flux

• Autorzy: Wiśniewski, P. , Henkie, Z. , Pietraszko, A.
• Języki publikacji: EN

Abstrakty

EN

Crystals of n- or p-type heavily doped ferromagnetic semiconductor (Th1–xUx)3As4 (x = 0.67 and 0.80) were grown using a mineralization process in the Ga flux. An excess of As corresponding to MeAs2composition was necessary to grow the Me3As4 phase at temperature cycled between 1000 ºC and 1060 ºC. Dilution of U3As4 ferromagnet (Curie temperature TC = 198 K) with 20% of Th3As4 semiconductor (energy gap of 0.39 eV) reduced TC by 19%.

Słowa kluczowe

EN

ferromagnetic semiconductor; crystallization; actinide compounds

• Czasopismo: Materials Science Poland
• Rocznik: 2008
• Tom: Vol. 26, No. 4
• Strony: 933--938
• Opis fizyczny: Bibliogr. 17 poz., rys., tab., wykr.

Twórcy

autor

Wiśniewski, P.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P. O. Box 1410, 50-950 Wrocław 2, Poland

autor

Henkie, Z.,

autor

Pietraszko, A.

Bibliografia

• [1] DIETL T.,OHNO H.,MATSUKURA F., Phys. Rev. B, 63 (2001), 195205.
• [2] DIETL T., III–V and II–VI Mn-Based Ferromagnetic Semiconductors, [in:] B. Kramer (Ed.), Advances in Solid State Physics, Springer, Berlin, 2003, p. 413.
• [3] ŽUTIC I.,FABIAN J., SARMA S. D., Rev. Mod. Phys., 76 (2004), 323.
• [4] BANHART J., EBERT H., Europhys. Lett., 32 (1995), 517.
• [5] WIŚNIEWSKI P., GUKASOV A., HENKIE Z., Phys. Rev. B, 60 (1999), 6242.
• [6] WIŚNIEWSKI P., HENKIE Z., Mater. Sci.-Poland, 25 (2007), 533.
• [7] WIŚNIEWSKI P., KROWICKI B., KUCAJ M., Physica B, 378–380 (2006), 1001.
• [8] SCHOENES J., KÜNG M., HAUERT R., and HENKIE Z., Solid State Commun., 47 (1983), 23.
• [9] HENKIE Z., Roczniki Chem., 42 (1968), 363.
• [10] HENKIE Z., MARKOWSKI P. J., J. Cryst. Growth, 41 (1977), 303.
• [11] MARKOWSKI P., HENKIE Z., WOJAKOWSKI A., Solid State Commun., 32 (1979) 1119.
• [12] HENKIE Z., MAŚLANKA R., MARKOWSKI P. J., WIERZBICKI J., Solid State Commun., 59 (1986), 625.
• [13] SHELDRICK G.M., [in:] Program for the Solution of Crystal Structure, University of Göttingen, Germany, 1985.
• [14] SHELDRICK G.M., [in:] Program for Crystal Structure Refinement, University of Göttingen, Germany, 1987.
• [15] ASM Intl., Binary Alloys Phase Diagrams, 2nd Ed. Plus updates on CD-ROM
• [16] KACZOROWSKI D., TROĆ R., Pnictides and Chalcogenides III (Binary Non-Equiatomic Actinide Pnictides and Chalcogenides), Vol. III/27B7, in series: H.P.J. Wijn (Ed.), Landolt-Börnstein New Series, Springer, Berlin, 2005, p. 49.
• [17] HENKIE Z., MAŚLANKA R., DURCZEWSKI K., Physica B, 144 (1986), 92.