Faraday rotation of spinel oxide under ultrahigh magnetic field

被引：1

作者：

Kojima, E. ^{[1
]}

Miyabe, S. ^{[1
]}

Mitamura, H. ^{[1
]}

Ueda, H. ^{[1
]}

Ueda, Y.

Katori, H. A. ^{[2
]}

Takagi, H. ^{[2
,3
]}

Takeyama, S. ^{[1
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, 5-1-5 Kashiwanoba, Kashiwa, Chiba, Japan

[2] RIKEN, Discovery Res Inst, Wako, Saitama 35101, Japan

[3] Univ Tokyo, Grad Sch Frontier Sci, Kashiwa, Chiba, Japan

来源：

YAMADA CONFERENCE LX ON RESEARCH IN HIGH MAGNETIC FIELDS | 2006年 / 51卷

关键词：

D O I：

10.1088/1742-6596/51/1/009

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We studied the magnetic properties of ZnCr2O4 under an ultra-high magnetic field by using the Faraday rotation method. We used a single turn coil system to generate a pulsed high field up to 180 T and used a He-Ne laser as a light source. We chose a 45 degree angle between the polarizer and the analyzer and measured a transient Faraday rotation signal by using a photo-diode and a transient recorder. The sample temperature was kept below Neel temperature during the experiment. We observed a discernible discontinuity in a Faraday rotation signal at 120 T. This discontinuity is considered to represent the first-order phase transition which is observed also in CdCr2O4 which has the same geometrical structure as ZnCr2O4.

引用

页码：51 / +

页数：2

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