検索対象:     
報告書番号:
※ 半角英数字
 年 ~ 
 年

NMR study for $$4f$$-localized ferromagnet CeRu$$_2$$Ga$$_2$$B

$$4f$$電子の局在した強磁性体CeRu$$_2$$Ga$$_2$$BのNMR研究

酒井 宏典   ; 徳永 陽  ; 神戸 振作  ; Baumbach, R. E.*; Ronning, F.*; Bauer, E. D.*; Thompson, J. D.*

Sakai, Hironori; Tokunaga, Yo; Kambe, Shinsaku; Baumbach, R. E.*; Ronning, F.*; Bauer, E. D.*; Thompson, J. D.*

$$^{11}$$B核と$$^{69,71}$$Ga核を用いて核磁気共鳴(NMR)研究を正方晶Ce化合物CeRu$$_2$$Ga$$_2$$Bにおいて行った。ナイトシフトは、帯磁率と同じく$$c$$軸方向にイジング型の異方性を示した。超微細結合定数を決定し、核磁気緩和率$$1/T_1$$から求めたスピン揺らぎの異方性も$$c$$軸方向にイジング型であることを示した。また、本化合物における$$4f$$電子の局在性について議論した。

Nuclear magnetic resonance (NMR) studies using $$^{11}$$B and $$^{69,71}$$Ga have been performed on the tetragonal Ce-based ferromagnet CeRu$$_2$$Ga$$_2$$B. The Knight shifts for the nuclei show an Ising-type anisotropy along the $$c$$ axis, similar to results from the static susceptibility. From the Knight shift measurements, the hyperfine coupling constants have been determined. The anisotropy of the spin- lattice relaxation rates $$1/T_1$$ indicates that the anisotropy of spin fluctuations are also Ising-like along the $$c$$ axis. The localized character of the $$4f$$ electrons in this system is discussed.

Access

:

- Accesses

InCites™

:

パーセンタイル:45.04

分野:Materials Science, Multidisciplinary

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.