Structure and magnetic properties of (Pr0.55Ca0.45)(Mn1-yCry)O3 (y=0.00, 0.03, 0.06)

被引：0
|
作者：
Martinelli, A
Ferretti, M
Castellano, C
Mondelli, C
Marero, DMY
Cimberle, MR
Tropeano, M
机构：
[1] INFM, LAMIA, I-16152 Genoa, Italy
[2] Dip Chim & Chim Ind, I-16146 Genoa, Italy
[3] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[4] INFM, I-00185 Rome, Italy
[5] Inst Max Von Laue Paul Langevin, INFM, OGG, F-38042 Grenoble, France
[6] CSIC, Inst Ciencia Mat Aragon, Zaragoza, Spain
[7] CNR, IMEM, Dipartimento Fis, Sez Genova, I-16146 Genoa, Italy
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2005年 / 25卷 / 12期
关键词：
X-ray powder diffraction;
D O I：
10.1016/j.jeurceramsoc.2005.03.186
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
(Pr0.55Ca0.45)(Mn1-yCry)O-3 (with y = 0.00, 0.03 and 0.06) have been prepared by means of a solid-state reaction from stoichiometric powder mixtures of binary oxides. XRPD reveals the formation of the perovskite-type compound for the whole compositions; no evidence for secondary phases may be detected. The structural refinements have been carried out using XRPD data applying the Rietveld method; the lattice parameters of the orthorhombic cell faintly change with composition. On the contrary the tilting of the octahedra results strongly dependent on the concentration of Cr in the 4b site. DC magnetic measurements have been performed as a function of temperature and magnetic field. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3041 / 3043
页数：3
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