Magnetic torque and heat capacity measurements on  TPP[Fe(Pc)(CN)2]2

Tajima, Hiroyuki; Yoshida, Gosuke; Matsuda, Masaki; Nara, Kazumi; Kajita, Koji; Nishio, Yutaka; Hanasaki, Noriaki; Naito, Toshio; Inabe, Tamotsu

Magnetic torque and heat capacity measurements on TPP[Fe(Pc)(CN)2]2

Tajima, Hiroyuki; Yoshida, Gosuke; Matsuda, Masaki et al.

Physical Review. B, Condensed Matter and Materials Physics, 2008, 78(6), 064424

Permalink : https://hdl.handle.net/2115/35007

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アクセス権	open access
URI	https://hdl.handle.net/2115/35007
タイトル	Magnetic torque and heat capacity measurements on TPP[Fe(Pc)(CN)2]2
著者	Tajima, Hiroyuki ; Yoshida, Gosuke ; Matsuda, Masaki ; Nara, Kazumi ; Kajita, Koji ; Nishio, Yutaka ; Hanasaki, Noriaki ; Naito, Toshio ; Inabe, Tamotsu
著者名 Tajima, Hiroyuki
著者名 Yoshida, Gosuke
著者名 Matsuda, Masaki
著者名 Nara, Kazumi
著者名 Kajita, Koji
著者名 Nishio, Yutaka
著者名 Hanasaki, Noriaki
e-Rad_Researcher 20227713 著者名 Naito, Toshio
著者名 Inabe, Tamotsu
言語	英語
キーワード	PACS=75.50.Xx
	PACS=75.30.Gw
	PACS=75.47.De
発行日	2008-08-01
出版者	American Physical Society
収録物名	Physical Review. B, Condensed Matter and Materials Physics
巻(号)	78(6)
ページ	064424
抄録	Magnetic torque and heat capacity measurements on TPP[Fe(Pc)(CN)2]2 are reported. The torque curves for the magnetic field rotated within the ab plane have a fourfold symmetry, exhibiting inversions around 13 and 27K. The heat capacity exhibits a broad peak around T=16.5K. By applying the magnetic field along the c axis, the maximum value of the heat capacity is enhanced below 20K. These results, as well as the magnetic susceptibility, were analyzed by employing a numerical calculation based on the anisotropic Heisenberg model in one dimension. The analyses revealed that: (i) the peak in the magnetic-susceptibility data around 25K is due to an antiferromagnetic short-range order (SRO) formation associated with d electrons, and (ii) π electrons fall into an antiferromagnetic state below 13K. The spin-flop field of π electrons is approximately 80kOe at 9K.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	©2008 The American Physical Society
PISSN	1098-0121
EISSN	1550-235X
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevB.78.064424