Spin Fluctuations in an Octahedral Antiferromagnet Mn3Pt Alloy
作者： Takashi Ikeda , Yorihiko Tsunoda
DOI: 10.1143/JPSJ.72.2614
关键词:
摘要: A new spin frustration system with an octahedral configuration of magnetic atoms was found. In neutron scattering measurements for ordered Mn 3 Pt alloy, inelastic diffuse intensity distributes along the first Brillouin zone-boundary fcc structure in paramagnetic and F-phases. Within calculations based on a RPA, experimental data phase are reproduced using antiferromagnetic couplings between spins up to third-neighbor exchange interactions. F-phase below Neel temperature, part still fluctuates at special site. The existence is characteristic system. effects chemical disorder also studied specimen small atomic LRO parameter.
jps.jp
harvard.edu
sci-hub.se 参考文章(15)
E. Krén, G. Kádár, L. Pál, P. Szabó, Investigation of the first-order magnetic transformation in Mn3Pt Journal of Applied Physics. ,vol. 38, pp. 1265- 1266 ,(1967) , 10.1063/1.1709571
Izumi Tomeno, Hiromi N. Fuke, Hitoshi Iwasaki, Masashi Sahashi, Yorihiko Tsunoda, Magnetic neutron scattering study of ordered Mn3Ir Journal of Applied Physics. ,vol. 86, pp. 3853- 3856 ,(1999) , 10.1063/1.371298
M. Matsuura, H. Hiraka, Y. Endoh, K. Hirota, K. Yamada, Direct evidence of spin frustration in the fcc antiferromagnet NiS 2 Applied Physics A. ,vol. 74, pp. 792- 795 ,(2002) , 10.1007/S003390201585
P. W. Anderson, Ordering and Antiferromagnetism in Ferrites Physical Review. ,vol. 102, pp. 1008- 1013 ,(1956) , 10.1103/PHYSREV.102.1008
R. Yamauchi, K. Fukamichi, H. Yamauchi, A. Sakuma, Concentration dependence of the Néel temperature of Mn100−xRhx ordered alloys Journal of Alloys and Compounds. ,vol. 279, pp. 93- 96 ,(1998) , 10.1016/S0925-8388(98)00671-9
M. Shirai, T. Tanimoto, K. Motizuki, Successive magnetic phase transitions in Mn3Pt Journal of Magnetism and Magnetic Materials. pp. 157- 158 ,(1990) , 10.1016/S0304-8853(10)80052-6
E. Krén, G. Kádár, L. Pál, J. Sólyom, P. Szabó, T. Tarnóczi, Magnetic Structures and Exchange Interactions in the Mn-Pt System Physical Review. ,vol. 171, pp. 574- 585 ,(1968) , 10.1103/PHYSREV.171.574
Hiroyuki Yasui, Takejiro Kaneko, Hajime Yoshida, Shunya Abe, Kazuo Kamigaki, Nobuo Mori, Pressure Dependence of Magnetic Transition Temperatures and Lattice Parameter in an Antiferromagnetic Ordered Alloy Mn3Pt Journal of the Physical Society of Japan. ,vol. 56, pp. 4532- 4539 ,(1987) , 10.1143/JPSJ.56.4532
H. Yasui, M. Ohashi, S. Abe, H. Yoshida, T. Kaneko, Y. Yamaguchi, T. Suzuki, Magnetic order-order transformation in Mn3Pt Journal of Magnetism and Magnetic Materials. ,vol. 104, pp. 927- 928 ,(1992) , 10.1016/0304-8853(92)90426-O
Y. Yamada, K. Kamazawa, Y. Tsunoda, Interspin interactions in ZnFe 2 O 4 : Theoretical analysis of neutron scattering study Physical Review B. ,vol. 66, pp. 064401- ,(2002) , 10.1103/PHYSREVB.66.064401