查看“︁Ag2Eu”︁的源代码

{{DISPLAYTITLE:Ag<sub>2</sub>Eu}}
{{Chembox
| Name = Ag<sub>2</sub>Eu
| NameEn = 
| ImageFile = 
|  ImageSize = 
|  ImageAlt = 
| IUPACName = 
| IUPACNameZh = 
| OtherNames = EuAg<sub>2</sub>
| Section1 = {{Chembox Identifiers
|   CASNo = 12249-76-2
|   CASNo_Ref = {{cascite|correct|CAS}}
|   PubChem = 
|   SMILES =  }}
| Section2 = {{Chembox Properties
|   Formula = Ag<sub>2</sub>Eu
|   MolarMass = 367.70
|   Appearance = 
|   Density = 8.2 g·cm<sup>−3</sup>
|   MeltingPt = {{convert|792|C|K}}<ref>Koester, Werner; Meixner, Johann. The constitution of the systems of europium with silver, cadmium, and indium and the cadmium-strontium system{{de}}. ''Zeitschrift fuer Metallkunde'', 1965. 56 (10): 695-703. ISSN: 0044-3093.</ref>
|   Solubility =  }}
| Section3 = {{Chembox Hazards
|   MainHazards = 
|   FlashPt = 
|   Autoignition =  }}
}}
'''Ag<sub>2</sub>Eu'''是一种二元[[金属间化合物]]，由[[银]]和[[铕]]构成。

== 制备及性质 ==
Ag<sub>2</sub>Eu可由相应的单质共熔得到：
::<math>\mathsf{ 2 Ag + Eu \ \xrightarrow{792^oC}\ Ag_2Eu }</math>
它的Néel型转变温度为T<sub>N</sub>=10 K。<ref>{{cite journal|journal=Journal of Magnetism and Magnetic Materials|volume=12|issue=2|language=en|date=1979-06|pages=123–126|doi=10.1016/0304-8853(79)90006-4|url=https://linkinghub.elsevier.com/retrieve/pii/0304885379900064|title=Note on the formation and the magnetic properties of amorphous Eu-Ag alloys|accessdate=2019-09-15|author=K.H.J. Buschow, W.W. Van Den Hoogenhof|archive-date=2018-06-26|archive-url=https://web.archive.org/web/20180626075556/https://linkinghub.elsevier.com/retrieve/pii/0304885379900064|dead-url=no}}</ref>

== 结构 ==
Ag<sub>2</sub>Eu晶体属[[正交晶系]]，空间群Imma，晶胞参数a = 0.4785 nm，b = 0.7536 nm，c = 0.8168 nm，Z = 4，具有CeCu<sub>2</sub>结构。
<ref>{{книга
 |заглавие      = Диаграммы состояния двойных металлических систем |ответственный = Под ред. Н. П. Лякишева |место         = М.
 |издательство  = Машиностроение |год           = 1996 |том           = 1 |страниц       = 992 |isbn          = 5-217-02688-X
}}</ref><ref>{{книга
 |автор         = B. Predel 
 |заглавие      = Ag-Eu (Silver - Europium)
 |издание       = Landolt-Börnstein - Group IV Physical Chemistry 
 |год           = 2006
 |том           = 12A 
 |номер         = 
 |страницы      = 1
 |doi           = 10.1007/10793176_28
 |issn          = 
}}</ref><ref>{{книга
 |автор         = B. Predel
 |заглавие      = Ag-Eu (Silver-Europium)
 |издание       = Landolt-Börnstein - Group IV Physical Chemistry 
 |год           = 1991
 |том           = 5a 
 |номер         = 
 |страницы      = 1-2
 |doi           = 10.1007/10000866_26
 |issn          = 
}}</ref><ref>{{книга
 |автор         = K. A. Gschneidner, F. W. Calderwood
 |заглавие      = The Ag−Eu (Silver-Europium) system
 |издание       = Bulletin of Alloy Phase Diagrams
 |год           = 1985
 |том           = 6
 |номер         = 1
 |страницы      = 19-21
 |doi           = 10.1007/BF02871169
 |issn          = 
}}</ref>

== 参考文献 ==
{{Reflist}}
{{銀化合物}}
{{inorganic-compound-stub}}

[[Category:银化合物]]
[[Category:铕化合物]]
[[Category:金属间化合物]]