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
收藏
页码：51 / +
页数：2
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