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.

引用

页数：3

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