Strong enhancement of the Faraday rotation in Ce and Bi comodified epitaxial iron garnet thin films

被引：40
|
作者：
Sekhar, Manda Chandra [1 ]
Hwang, Jae-Yeol [1 ]
Ferrera, Marcello [1 ]
Linzon, Yoav [1 ]
Razzari, Luca [1 ,2 ]
Harnagea, Catalin [1 ]
Zaezjev, Michael [1 ]
Pignolet, Alain [1 ]
Morandotti, Roberto [1 ]
机构：
[1] Univ Quebec, INRS Energie Mat & Telecommun, Inst Natl Rech Sci, Varennes, PQ J3X 1S2, Canada
[2] Univ Pavia, Dipartimento Elettron, I-27100 Pavia, Italy
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 18期
基金：
加拿大自然科学与工程研究理事会;
关键词：
bismuth compounds; cerium compounds; Faraday effect; garnets; magnetic epitaxial layers; pulsed laser deposition; MAGNETOOPTICAL PROPERTIES; NONRECIPROCAL RADIATION; MODE CONVERSION; SINGLE-CRYSTALS; YIG-FILMS; DEPOSITION;
D O I：
10.1063/1.3126640
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ce and Bi comodified iron garnet (Ce2.2Bi0.8Fe5O12) thin films for magneto-optic applications were epitaxially grown on a (111)-oriented Gd3Ga5O12 substrate by pulsed laser deposition. We found that epitaxial film quality could be achieved under a low-pressure Ar atmosphere. Surprisingly, our 1 mu m thick epitaxial films showed a record Faraday rotation as high as 0.55 deg/mu m, a value strongly dependent on the concentration of Bi3+ ions.
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页数：3
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