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The crystal structures and physical properties of the solid solution compound Ba5Y8-xMn4021-1.5x （x = 0, 1）
New oxometallides with the formula Ba5Y8-xMn4021-1.5x （x = 0, 1） are prepared through an atmosphere-controlled solid-state reaction. Two single-phase samples with Ba/Y/Mn atomic ratios 5/8/4 （Y8） and 5/7/4 （Y7） are obtained. The crystal structures and the physical properties of the compounds are inv...
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| Published in: | 中国物理B：英文版 2012, Vol.21 (6), p.364-369 |
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| Format: | Article |
| Language: | English |
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| container_end_page | 369 |
| container_issue | 6 |
| container_start_page | 364 |
| container_title | 中国物理B：英文版 |
| container_volume | 21 |
| creator | 高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟 |
| description | New oxometallides with the formula Ba5Y8-xMn4021-1.5x （x = 0, 1） are prepared through an atmosphere-controlled solid-state reaction. Two single-phase samples with Ba/Y/Mn atomic ratios 5/8/4 （Y8） and 5/7/4 （Y7） are obtained. The crystal structures and the physical properties of the compounds are investigated by X-ray powder diffraction, magnetization, conductivity, and dielectricity measurements. The Ba5Y8-xMn4021-1.5x compound is demonstrated to be a Y-deficient solid solution. The solid solution compound Ba5Y8-xMn4021-1.5x crystallizes into tetragonal symmetry with the space group I4/m. Detailed structure analysis by Rietveld refinement of the X-ray powder diffraction data reveals that the Y vacancies occur preferentially at the Y（2） site. Thermal magnetization measurements indicate the presence of antiferromagnetic interaction between Mn ions in the compounds, and temperature-dependent resistivity measurements show that insulator-semiconductor transitions occur around 175 K and 170 K for the Y8 and Y7 samples, respectively. Strong frequency dependences of the dielectric constant are observed above -175 K for the two compounds. |
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Two single-phase samples with Ba/Y/Mn atomic ratios 5/8/4 （Y8） and 5/7/4 （Y7） are obtained. The crystal structures and the physical properties of the compounds are investigated by X-ray powder diffraction, magnetization, conductivity, and dielectricity measurements. The Ba5Y8-xMn4021-1.5x compound is demonstrated to be a Y-deficient solid solution. The solid solution compound Ba5Y8-xMn4021-1.5x crystallizes into tetragonal symmetry with the space group I4/m. Detailed structure analysis by Rietveld refinement of the X-ray powder diffraction data reveals that the Y vacancies occur preferentially at the Y（2） site. Thermal magnetization measurements indicate the presence of antiferromagnetic interaction between Mn ions in the compounds, and temperature-dependent resistivity measurements show that insulator-semiconductor transitions occur around 175 K and 170 K for the Y8 and Y7 samples, respectively. Strong frequency dependences of the dielectric constant are observed above -175 K for the two compounds.</description><identifier>ISSN: 1674-1056</identifier><identifier>EISSN: 2058-3834</identifier><language>eng</language><subject>Rietveld精修 ; X-射线粉末衍射 ; 化合物 ; 固溶体 ; 晶体结构 ; 物理性质 ; 磁化强度 ; 粉末衍射数据</subject><ispartof>中国物理B：英文版, 2012, Vol.21 (6), p.364-369</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85823A/85823A.jpg</thumbnail><link.rule.ids>314,780,784,4024</link.rule.ids></links><search><creatorcontrib>高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟</creatorcontrib><title>The crystal structures and physical properties of the solid solution compound Ba5Y8-xMn4021-1.5x （x = 0, 1）</title><title>中国物理B：英文版</title><addtitle>Chinese Physics</addtitle><description>New oxometallides with the formula Ba5Y8-xMn4021-1.5x （x = 0, 1） are prepared through an atmosphere-controlled solid-state reaction. Two single-phase samples with Ba/Y/Mn atomic ratios 5/8/4 （Y8） and 5/7/4 （Y7） are obtained. The crystal structures and the physical properties of the compounds are investigated by X-ray powder diffraction, magnetization, conductivity, and dielectricity measurements. The Ba5Y8-xMn4021-1.5x compound is demonstrated to be a Y-deficient solid solution. The solid solution compound Ba5Y8-xMn4021-1.5x crystallizes into tetragonal symmetry with the space group I4/m. Detailed structure analysis by Rietveld refinement of the X-ray powder diffraction data reveals that the Y vacancies occur preferentially at the Y（2） site. Thermal magnetization measurements indicate the presence of antiferromagnetic interaction between Mn ions in the compounds, and temperature-dependent resistivity measurements show that insulator-semiconductor transitions occur around 175 K and 170 K for the Y8 and Y7 samples, respectively. Strong frequency dependences of the dielectric constant are observed above -175 K for the two compounds.</description><subject>Rietveld精修</subject><subject>X-射线粉末衍射</subject><subject>化合物</subject><subject>固溶体</subject><subject>晶体结构</subject><subject>物理性质</subject><subject>磁化强度</subject><subject>粉末衍射数据</subject><issn>1674-1056</issn><issn>2058-3834</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNizFuwjAYRq2KSg1t7_Cz18hO7CRLFyoQCxtLp8hyEuIq2K7tSMkN4E65U65AkDgAy_dJT--9oCgmPMdJnrAFimiaMUwJT9_Q0vs_QlJK4iRC5thUIN3gg2jBB9fJ0LnKg9Al2GbwSs7cOmMrF9TMTQ1hLrxpVXnfLiijQZqzNd2cbAT_zXF_0IzEFNM172EaLz18A_kCOo3XD_Rai9ZXn49_R6vd9vizx7Ix-vSv9KmwTp2FGwoWZzyjLEuecW52wUog</recordid><startdate>2012</startdate><enddate>2012</enddate><creator>高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope></search><sort><creationdate>2012</creationdate><title>The crystal structures and physical properties of the solid solution compound Ba5Y8-xMn4021-1.5x （x = 0, 1）</title><author>高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_primary_427571473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Rietveld精修</topic><topic>X-射线粉末衍射</topic><topic>化合物</topic><topic>固溶体</topic><topic>晶体结构</topic><topic>物理性质</topic><topic>磁化强度</topic><topic>粉末衍射数据</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>中国物理B：英文版</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>高庆庆 李静波 宋士佳 饶光辉 骆军 刘广耀 梁敬魁 赵孟珂 梁艳 郜小勇 陈超 陈先梅 赵显伟</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The crystal structures and physical properties of the solid solution compound Ba5Y8-xMn4021-1.5x （x = 0, 1）</atitle><jtitle>中国物理B：英文版</jtitle><addtitle>Chinese Physics</addtitle><date>2012</date><risdate>2012</risdate><volume>21</volume><issue>6</issue><spage>364</spage><epage>369</epage><pages>364-369</pages><issn>1674-1056</issn><eissn>2058-3834</eissn><abstract>New oxometallides with the formula Ba5Y8-xMn4021-1.5x （x = 0, 1） are prepared through an atmosphere-controlled solid-state reaction. Two single-phase samples with Ba/Y/Mn atomic ratios 5/8/4 （Y8） and 5/7/4 （Y7） are obtained. The crystal structures and the physical properties of the compounds are investigated by X-ray powder diffraction, magnetization, conductivity, and dielectricity measurements. The Ba5Y8-xMn4021-1.5x compound is demonstrated to be a Y-deficient solid solution. The solid solution compound Ba5Y8-xMn4021-1.5x crystallizes into tetragonal symmetry with the space group I4/m. Detailed structure analysis by Rietveld refinement of the X-ray powder diffraction data reveals that the Y vacancies occur preferentially at the Y（2） site. Thermal magnetization measurements indicate the presence of antiferromagnetic interaction between Mn ions in the compounds, and temperature-dependent resistivity measurements show that insulator-semiconductor transitions occur around 175 K and 170 K for the Y8 and Y7 samples, respectively. Strong frequency dependences of the dielectric constant are observed above -175 K for the two compounds.</abstract></addata></record> |
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| ispartof | 中国物理B：英文版, 2012, Vol.21 (6), p.364-369 |
| issn | 1674-1056 2058-3834 |
| language | eng |
| recordid | cdi_chongqing_primary_42757147 |
| source | Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List) |
| subjects | Rietveld精修 X-射线粉末衍射 化合物 固溶体 晶体结构 物理性质 磁化强度 粉末衍射数据 |
| title | The crystal structures and physical properties of the solid solution compound Ba5Y8-xMn4021-1.5x （x = 0, 1） |
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