The γ-Fe formation in epitaxial Cu(001)/Fe(001) thin films by the solid-state synthesis: Structural and magnetic features

被引：9
|
作者：
Myagkov, V. G. [1 ]
Bayukov, O. A. [1 ]
Bykova, L. E. [1 ]
Bondarenko, G. N. [2 ]
机构：
[1] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[2] SB RAS, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 321卷 / 14期
基金：
俄罗斯基础研究基金会;
关键词：
Thin films; Solid-state transformations; Cu-Fe system; gamma-Fe; Magneto-volume effect; HIGH-TEMPERATURE SYNTHESIS; MARTENSITIC TRANSFORMATIONS; NEUTRON-DIFFRACTION; AB-INITIO; FCC-FE; CU; DECOMPOSITION; TRANSITION; IRON;
D O I：
10.1016/j.jmmm.2009.01.035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The gamma-Fe formation in epitaxial Cu(001)/Fe(001) bilayers with the annealing temperature increasing has been studied. Using Mossbauer spectroscopy, X-ray diffraction, and magnetic analysis, structural and chemical characterization of the interface between cooper and iron layers has been performed. After annealing at 850 degrees C and subsequent cooling to room temperature, paramagnetic gamma-Fe(001) precipitates with an average size of 30nm coherent to a Cu(001) matrix form. Conditions of intermixing and the gamma-Fe formation at the Cu/Fe interface are explained in terms of the solid-state synthesis in thin films. Specific features of the martensitic transition gamma <->alpha are discussed. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2260 / 2264
页数：5
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