The isothermal section of Gd-Ni-Si system at 1070 K

被引：14
|
作者：
Morozkin, A. V. [1 ]
Knotko, A. V. [1 ]
Yapaskurt, V. O. [2 ]
Manfrinetti, P. [3 ,4 ]
Pani, M. [3 ,4 ]
Provino, A. [3 ,4 ]
Nirmala, R. [5 ]
Quezado, S. [6 ]
Malik, S. K. [6 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, House 1,Bldg 3,GSP-2, Moscow 119992, Russia
[2] Moscow MV Lomonosov State Univ, Geol Fac, Dept Petrol, Moscow 119992, Russia
[3] Univ Genoa, Dept Chem, Via Dodecaneso 31, I-16146 Genoa, Italy
[4] CNR, Inst SPIN, C Perrone 24, I-16152 Genoa, Italy
[5] Indian Inst Technol, Madras 600036, Tamil Nadu, India
[6] Univ Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59082970 Natal, RN, Brazil
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2016年 / 235卷
关键词：
Gd-Ni-Si phase diagram; Gadolinium-nickel-silicides; Rare-earth compounds; Crystal structure; Magnetic properties; Ferromagnetism; CRYSTAL-STRUCTURE; RARE-EARTH; MAGNETIC-PROPERTIES; COMPOUNDS R; NICKEL; TRANSITION; SILICIDES; PHASES; FE; CE;
D O I：
10.1016/j.jssc.2015.12.019
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The Gd-Ni-Si system has been investigated at 1070 K by X-ray and microprobe analyses. The existence of the known compounds, i.e.: GdNi10Si2, GdNi8Si3, GdNi7Si3, GdNi7Si6, GdNi6Si6, GdNi4Si, GdNi2Si2, GdNiSi3, Gd3Ni6Si2, GdNiSi, GdNiSi2, GdNi0.4Si1.6, Gd2Ni2.35Si0.65, Gd3NiSi2, Gd3NiSi3 and Gd6Ni1.67Si3, has been confirmed. Moreover, five new phases have been identified in this system. The crystal structure for four of them has been determined: Gd2Ni16-12.8Si1-4.2 (Th2Zn17-type), GdNi6.6Si6 (GdNi7Si6-type), Gd3Ni8Si (Y3Co8Si-type) and Gd3Ni11.5Si4.2 (Gd3Ru4Ga12-type). The compound with composition similar to Gd2Ni4Si3 still remains with unknown structure. Quasi-binary phases, solid solutions, were detected at 1070 K to be formed by the binaries GdNi5, GdNi3, GdNi2, GdNi, GdSi2 and GdSi1.67; while no appreciable solubility was observed for the other binary compounds of the Gd-Ni-Si system. Magnetic properties of the GdNi6Si6, GdNi6.6Si6 and Gd3Ni11.5Si4.2 compounds have also been investigated and are here reported. (C) 2015 Elsevier Inc. All rights reserved.
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页码：58 / 67
页数：10
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