{"title":"银-镍-碲体系的相平衡与晶体化学","authors":"M. Singh , S. Bhan","doi":"10.1016/0146-3535(88)90010-X","DOIUrl":null,"url":null,"abstract":"<div><p>Ternary isotherm in the silver-nickel-tellurium system has been investigated using X-ray diffraction and metallographic techniques. At 873 K, only monoclinic Ag<sub>2</sub>Te phase with <em>a</em> = 0.815 <em>nm</em>, <em>b</em> = 0.449 <em>nm</em>, <em>c</em> = 0.811 <em>nm</em>, and <em>β</em> = 112°60' is stable in the Ag-Te system. Existence of two phases viz., Ni<sub>3</sub>Te<sub>2</sub> and NiTe<sub>1+x</sub> has been established. NiTe<sub>1+x</sub> phase has a large homogeneity range in the binary and ternary system. solid solubility of nickel in Ag<sub>2</sub>Te as well of silver in Ni<sub>3</sub>Te<sub>2</sub> is about 5 at.% at the temperature of investigation. The reasons for the large homogeneity range of NiTe<sub>1+x</sub> in binary and ternary system has been discussed in detail.</p></div>","PeriodicalId":101046,"journal":{"name":"Progress in Crystal Growth and Characterization","volume":"17 4","pages":"Pages 279-295"},"PeriodicalIF":0.0000,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0146-3535(88)90010-X","citationCount":"1","resultStr":"{\"title\":\"Phase equilibria and crystal chemistry of silver-nickel-tellurium system\",\"authors\":\"M. Singh , S. Bhan\",\"doi\":\"10.1016/0146-3535(88)90010-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Ternary isotherm in the silver-nickel-tellurium system has been investigated using X-ray diffraction and metallographic techniques. At 873 K, only monoclinic Ag<sub>2</sub>Te phase with <em>a</em> = 0.815 <em>nm</em>, <em>b</em> = 0.449 <em>nm</em>, <em>c</em> = 0.811 <em>nm</em>, and <em>β</em> = 112°60' is stable in the Ag-Te system. Existence of two phases viz., Ni<sub>3</sub>Te<sub>2</sub> and NiTe<sub>1+x</sub> has been established. NiTe<sub>1+x</sub> phase has a large homogeneity range in the binary and ternary system. solid solubility of nickel in Ag<sub>2</sub>Te as well of silver in Ni<sub>3</sub>Te<sub>2</sub> is about 5 at.% at the temperature of investigation. The reasons for the large homogeneity range of NiTe<sub>1+x</sub> in binary and ternary system has been discussed in detail.</p></div>\",\"PeriodicalId\":101046,\"journal\":{\"name\":\"Progress in Crystal Growth and Characterization\",\"volume\":\"17 4\",\"pages\":\"Pages 279-295\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0146-3535(88)90010-X\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Progress in Crystal Growth and Characterization\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/014635358890010X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress in Crystal Growth and Characterization","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/014635358890010X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
摘要
用x射线衍射和金相技术研究了银-镍-碲体系中的三元等温线。在873 K时，只有a = 0.815 nm, b = 0.449 nm, c = 0.811 nm， β = 112°60′的单斜相Ag2Te在Ag-Te体系中稳定。确定了Ni3Te2和NiTe1+x两相的存在。在二元和三元体系中，NiTe1+x相具有较大的均匀性。镍在Ag2Te中的固溶度和银在Ni3Te2中的固溶度约为5at。%在调查温度下。详细讨论了NiTe1+x在二、三元体系中均匀性范围大的原因。
Phase equilibria and crystal chemistry of silver-nickel-tellurium system
Ternary isotherm in the silver-nickel-tellurium system has been investigated using X-ray diffraction and metallographic techniques. At 873 K, only monoclinic Ag2Te phase with a = 0.815 nm, b = 0.449 nm, c = 0.811 nm, and β = 112°60' is stable in the Ag-Te system. Existence of two phases viz., Ni3Te2 and NiTe1+x has been established. NiTe1+x phase has a large homogeneity range in the binary and ternary system. solid solubility of nickel in Ag2Te as well of silver in Ni3Te2 is about 5 at.% at the temperature of investigation. The reasons for the large homogeneity range of NiTe1+x in binary and ternary system has been discussed in detail.
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