Effect of nanostructuring of the Ge1-x Mn x single-crystal alloy on the percolation and cluster ferromagnetism

被引：1
|
作者：
Morgunov, R. B. [1 ]
Dmitriev, A. I. [1 ]
Kazakova, O. L. [2 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Natl Phys Lab, Teddington TW11 0LW, Middx, England
来源：
PHYSICS OF THE SOLID STATE | 2010年 / 52卷 / 04期
关键词：
CURIE-TEMPERATURE; IMPLANTATION;
D O I：
10.1134/S1063783410040128
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Nanostructuring of the Ge0.99Mn0.01 single-crystal alloy with the formation of nanowires 60 nm in diameter has been revealed to bring about an increase in the temperature of the percolation transition to the ferromagnetic state to T (C1) a parts per thousand 45 K and a broadening of the distribution of Curie temperatures in Ge (n) Mn (m) clusters T (C2) a parts per thousand 125-270 K as compared to Ge0.98Mn0.02 thin single-crystal films for which T (C1) a parts per thousand 6 K and T (C2) a parts per thousand 270 K.
引用
收藏
页码：748 / 751
页数：4
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