Ferromagnetism of Mn-implanted silicon: Magnetization and magnetooptic Faraday effect

被引：9
|
作者：
Granovskii, A. B. [1 ]
Sukhorukov, Yu. P.
Orlov, A. F.
Perov, N. S.
Korolev, A. V.
Gan'shina, E. A.
Zinenko, V. I.
Agafonov, Yu. A.
Saraikin, V. V.
Telegin, A. V.
Yarkin, D. G.
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[2] Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620212, Russia
[3] Giredmet State Res Inst Rare Met Ind, Moscow 119017, Russia
[4] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Russia
[5] Lukin State Res Inst Phys Problems, Moscow 103460, Russia
来源：
JETP LETTERS | 2007年 / 85卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
42.25.Ja; 75.50.Pp; 78.20.Ls;
D O I：
10.1134/S0021364007070077
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Manganese-implanted silicon plates of both n and p types have been obtained by implanting 195-keV manganese ions with doses from 1 x 10(15) to 2 x 10(16) cm(-2). According to magnetic measurements by a vibrating sample magnetometer and a SQUID magnetometer, all of the samples exhibit a ferromagnetic ordering at room temperature. The magnetooptic Faraday effect is manifested in the spectral region 1-6 mu m in the temperature interval 80-305 K. The characteristic features of the field and temperature dependences of magnetization and the spectrum of the Faraday effect indicate a percolation type of magnetic ordering at low temperatures and a crucial role of the exchange between delocalized p-type carriers and Mn ions at temperatures above 100 K.
引用
收藏
页码：335 / 338
页数：4
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