Ag2 Eu 是一種二元金屬間化合物 ,由銀 和銪 構成。
製備及性質
Ag2 Eu可由相應的單質共熔得到:
2
A
g
+
E
u
→
792
o
C
A
g
2
E
u
{\displaystyle {\mathsf {2Ag+Eu\ {\xrightarrow {792^{o}C}}\ Ag_{2}Eu}}}
它的Néel型轉變溫度為TN =10 K。[ 2]
結構
Ag2 Eu晶體屬正交晶系 ,空間群Imma,晶胞參數a = 0.4785 nm,b = 0.7536 nm,c = 0.8168 nm,Z = 4,具有CeCu2 結構。
[ 3] [ 4] [ 5] [ 6]
參考文獻
^ Koester, Werner; Meixner, Johann. The constitution of the systems of europium with silver, cadmium, and indium and the cadmium-strontium system(德文) . Zeitschrift fuer Metallkunde , 1965. 56 (10): 695-703. ISSN: 0044-3093.
^ K.H.J. Buschow, W.W. Van Den Hoogenhof. Note on the formation and the magnetic properties of amorphous Eu-Ag alloys . Journal of Magnetism and Magnetic Materials. 1979-06, 12 (2): 123–126 [2019-09-15 ] . doi:10.1016/0304-8853(79)90006-4 . (原始內容存檔 於2018-06-26) (英語) .
^ Диаграммы состояния двойных металлических систем 1 . М.: Машиностроение. Под ред. Н. П. Лякишева. 1996. ISBN 5-217-02688-X (俄語) .
^ B. Predel. Ag-Eu (Silver - Europium) 12A Landolt-Börnstein - Group IV Physical Chemistry. 2006: 1 (俄語) .
^ B. Predel. Ag-Eu (Silver-Europium) 5a Landolt-Börnstein - Group IV Physical Chemistry. 1991: 1–2 (俄語) .
^ K. A. Gschneidner, F. W. Calderwood. The Ag−Eu (Silver-Europium) system 6 Bulletin of Alloy Phase Diagrams. 1985: 19–21 (俄語) .