Ferromagnetic hollandite K2Cr8O16

被引：3

作者：

Sugiyama, Jun ^{[1
]}

Nozaki, Hiroshi ^{[1
]}

Mansson, Martin ^{[2
,3
]}

Prsa, Krunoslav ^{[2
]}

Amato, Alex ^{[4
]}

Isobe, Masahiko ^{[5
]}

Ueda, Yutaka ^{[5
]}

机构：

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

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

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

[4] Paul Scherrer Inst, Lab Muon Spin Spectroscopy, CH-5232 Villigen, Switzerland

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

来源：

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

关键词：

Other ferromagnetic metals and alloys; Metal-insulator transitions and other electronic transitions; Muon-spin rotation and relaxation; PHASE-DIAGRAM; CHAIN;

D O I：

10.1016/j.phpro.2012.04.069

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The magnetism of a quasi-one-dimensional ferromagnetic (FM) compound, K2Cr8O16, has been investigated by muon-spin rotation and relaxation (mu+SR) using a powder sample in the temperature range between 2 and 230 K. Below T-C = 164 K, muon-spin precession signals were clearly observed in the zero-field spectrum, indicating the formation of static FM order. The distribution of the internal field was found to change slightly at the metal-to-insulator transition temperature, T-MI similar to 95 K. Electrostatic potential calculations and dipole field calculations suggested that FM order is not parallel to the [001] direction but likely parallel to the [110] direction.

引用

页码：186 / 189

页数：4

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