μSR Investigation of the Hollandite Vanadate K2V8O16

被引：3

作者：

Chow, Kim H. ^{[1
]}

Mansson, Martin ^{[2
,3
]}

Ikedo, Yutaka ^{[4
]}

Sugiyama, Jun ^{[4
]}

Ofer, Oren ^{[5
]}

Ansaldo, Eduardo J. ^{[5
]}

Brewer, Jess H. ^{[6
]}

Isobe, Masahiko

Gotou, Hirotada ^{[7
]}

Yagi, Takehiko ^{[7
]}

Ueda, Yutaka ^{[7
]}

Baines, Christopher ^{[8
]}

机构：

[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2G7, Canada

[2] ETH, Lab Solid State Phys, CH-8093 Zurich, Switzerland

[3] Paul Scherrer Inst, Lab Neutron Scattering, CH-5232 Villigen, Switzerland

[4] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan

[5] TRIUMF, Vancouver, BC V6T 2A3, Canada

[6] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[7] Univ Tokyo, Inst Solid State Phys, Mat Design & Charecterizat Lab, Kashiwa, Chiba 2778581, Japan

[8] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

12TH INTERNATIONAL CONFERENCE ON MUON SPIN ROTATION, RELAXATION AND RESONANCE (MUSR2011) | 2012年 / 30卷

基金：

瑞士国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

vanadate; low dimensional system; K2V8O16; magnetism; muon; MUONIUM;

D O I：

10.1016/j.phpro.2012.04.053

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The quasi-one-dimensional hollandite vanadate K2V8O16 is believed to have a spin-singlet-like transition at approximate to 170 K. We investigated a polycrystalline sample of K2V8O16 using zero-field mu SR. Paramagnetic electronic fluctuations, manifested as a relaxation of the muon polarization function, exist at all temperatures. There are only smooth and slight changes in the relaxation rate as the temperature of the sample is decreased from 200 K. Below about 10 K, there is a significant increase in the relaxation rate, implying a slow-down of the paramagnetic fluctuations.

引用

页码：117 / 120

页数：4

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