Structure and magnetic properties of RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu – New representatives of the Ru4B2Al3 type
The intermetallic compounds RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu were synthesized from the elements in sealed tantalum ampules in a high‐frequency furnace and characterized by powder X‐ray diffraction. The RE4Ni2Mg3 phases crystallize with a site occupancy variant of the tetragonal Ru4B2Al3 type struct...
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| Veröffentlicht in: | Zeitschrift für anorganische und allgemeine Chemie (1950) 2022-09, Vol.648 (17), p.n/a |
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| creator | Reimann, Maximilian Kai Pöttgen, Rainer |
| description | The intermetallic compounds RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu were synthesized from the elements in sealed tantalum ampules in a high‐frequency furnace and characterized by powder X‐ray diffraction. The RE4Ni2Mg3 phases crystallize with a site occupancy variant of the tetragonal Ru4B2Al3 type structure, space group P4/mmm. The structures of Tm4.21(1)Ni2Mg2.79(1), Lu4.28(1)Ni2Mg2.72(1) and Lu4.41(1)Ni2Mg2.59(1) were refined from single crystal X‐ray diffractometer data. Refinements of the occupancy parameters indicated different degrees of RE/Mg mixing on several Wyckoff positions. The RE4Ni2Mg3 structures are simple intergrowth variants of CsCl and AlB2 related slabs with distorted Ni@RE6 trigonal prisms and Mg@RE8 distorted cubes. Temperature dependent magnetic susceptibility studies reveal Pauli paramagnetism for Y4Ni2Mg3 and Lu4Ni2Mg3. The compounds with RE=Dy, Ho, Er and Tm are Curie‐Weiss paramagnets that order antiferromagnetically between 17.1(1) (RE=Dy) and 6.0(1) K (RE=Tm). The antiferromagnetic ground states are substantiated by metamagnetic transitions. |
| doi_str_mv | 10.1002/zaac.202100390 |
| format | Article |
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The RE4Ni2Mg3 phases crystallize with a site occupancy variant of the tetragonal Ru4B2Al3 type structure, space group P4/mmm. The structures of Tm4.21(1)Ni2Mg2.79(1), Lu4.28(1)Ni2Mg2.72(1) and Lu4.41(1)Ni2Mg2.59(1) were refined from single crystal X‐ray diffractometer data. Refinements of the occupancy parameters indicated different degrees of RE/Mg mixing on several Wyckoff positions. The RE4Ni2Mg3 structures are simple intergrowth variants of CsCl and AlB2 related slabs with distorted Ni@RE6 trigonal prisms and Mg@RE8 distorted cubes. Temperature dependent magnetic susceptibility studies reveal Pauli paramagnetism for Y4Ni2Mg3 and Lu4Ni2Mg3. The compounds with RE=Dy, Ho, Er and Tm are Curie‐Weiss paramagnets that order antiferromagnetically between 17.1(1) (RE=Dy) and 6.0(1) K (RE=Tm). The antiferromagnetic ground states are substantiated by metamagnetic transitions.</description><identifier>ISSN: 0044-2313</identifier><identifier>EISSN: 1521-3749</identifier><identifier>DOI: 10.1002/zaac.202100390</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Antiferromagnetism ; Cubes ; Dysprosium ; Intermetallic compounds ; intermetallics ; magnesium ; Magnetic permeability ; Magnetic properties ; Paramagnetism ; Prisms ; rare earths ; Single crystals ; Tantalum ; Temperature dependence</subject><ispartof>Zeitschrift für anorganische und allgemeine Chemie (1950), 2022-09, Vol.648 (17), p.n/a</ispartof><rights>2022 The Authors. Zeitschrift für anorganische und allgemeine Chemie published by Wiley-VCH GmbH</rights><rights>2022. This article is published under http://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). 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The RE4Ni2Mg3 phases crystallize with a site occupancy variant of the tetragonal Ru4B2Al3 type structure, space group P4/mmm. The structures of Tm4.21(1)Ni2Mg2.79(1), Lu4.28(1)Ni2Mg2.72(1) and Lu4.41(1)Ni2Mg2.59(1) were refined from single crystal X‐ray diffractometer data. Refinements of the occupancy parameters indicated different degrees of RE/Mg mixing on several Wyckoff positions. The RE4Ni2Mg3 structures are simple intergrowth variants of CsCl and AlB2 related slabs with distorted Ni@RE6 trigonal prisms and Mg@RE8 distorted cubes. Temperature dependent magnetic susceptibility studies reveal Pauli paramagnetism for Y4Ni2Mg3 and Lu4Ni2Mg3. The compounds with RE=Dy, Ho, Er and Tm are Curie‐Weiss paramagnets that order antiferromagnetically between 17.1(1) (RE=Dy) and 6.0(1) K (RE=Tm). The antiferromagnetic ground states are substantiated by metamagnetic transitions.</description><subject>Antiferromagnetism</subject><subject>Cubes</subject><subject>Dysprosium</subject><subject>Intermetallic compounds</subject><subject>intermetallics</subject><subject>magnesium</subject><subject>Magnetic permeability</subject><subject>Magnetic properties</subject><subject>Paramagnetism</subject><subject>Prisms</subject><subject>rare earths</subject><subject>Single crystals</subject><subject>Tantalum</subject><subject>Temperature dependence</subject><issn>0044-2313</issn><issn>1521-3749</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><recordid>eNo9kLtOAkEUhidGExFtrSexdfHMbS-FxUrwkiAmioU2k2FnBpbAss7OSrCytNY35ElcxFCdfMn_n5PzIXRKoEMA6MWHUlmHAm2AJbCHWkRQErCIJ_uoBcB5QBlhh-ioqqYAQECIFqqfvKszXzuDVaHxXI0L4_MMl25RGudzU-GFxY89Psjp_ZjhZe4nDV6-nOPhaP31PZz_9fo1Xn_-4IFZYmdKZypTeOXz923dTwx-rPkVTWcM-1VpjtGBVbPKnPzPNnq-7g27t0H_4eaum_aDkjIGgY2s0DZKCETRKCIq1CKjoTXWWgNhqHWSiVjECYcQmBjxWOlQxDqLDRHE6oS10dl2b_POW20qL6eL2hXNSUkjwihAyEmTSrapZT4zK1m6fK7cShKQG69y41XuvMrXNO3uiP0Cxu5unw</recordid><startdate>20220913</startdate><enddate>20220913</enddate><creator>Reimann, Maximilian Kai</creator><creator>Pöttgen, Rainer</creator><general>Wiley Subscription Services, Inc</general><scope>24P</scope></search><sort><creationdate>20220913</creationdate><title>Structure and magnetic properties of RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu – New representatives of the Ru4B2Al3 type</title><author>Reimann, Maximilian Kai ; Pöttgen, Rainer</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2330-f7f5df791077b71a6d5c26fefffe066dd9c58589406035b48ad658dc8e151fd93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Antiferromagnetism</topic><topic>Cubes</topic><topic>Dysprosium</topic><topic>Intermetallic compounds</topic><topic>intermetallics</topic><topic>magnesium</topic><topic>Magnetic permeability</topic><topic>Magnetic properties</topic><topic>Paramagnetism</topic><topic>Prisms</topic><topic>rare earths</topic><topic>Single crystals</topic><topic>Tantalum</topic><topic>Temperature dependence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reimann, Maximilian Kai</creatorcontrib><creatorcontrib>Pöttgen, Rainer</creatorcontrib><collection>Wiley Online Library Open Access</collection><jtitle>Zeitschrift für anorganische und allgemeine Chemie (1950)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reimann, Maximilian Kai</au><au>Pöttgen, Rainer</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure and magnetic properties of RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu – New representatives of the Ru4B2Al3 type</atitle><jtitle>Zeitschrift für anorganische und allgemeine Chemie (1950)</jtitle><date>2022-09-13</date><risdate>2022</risdate><volume>648</volume><issue>17</issue><epage>n/a</epage><issn>0044-2313</issn><eissn>1521-3749</eissn><abstract>The intermetallic compounds RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu were synthesized from the elements in sealed tantalum ampules in a high‐frequency furnace and characterized by powder X‐ray diffraction. The RE4Ni2Mg3 phases crystallize with a site occupancy variant of the tetragonal Ru4B2Al3 type structure, space group P4/mmm. The structures of Tm4.21(1)Ni2Mg2.79(1), Lu4.28(1)Ni2Mg2.72(1) and Lu4.41(1)Ni2Mg2.59(1) were refined from single crystal X‐ray diffractometer data. Refinements of the occupancy parameters indicated different degrees of RE/Mg mixing on several Wyckoff positions. The RE4Ni2Mg3 structures are simple intergrowth variants of CsCl and AlB2 related slabs with distorted Ni@RE6 trigonal prisms and Mg@RE8 distorted cubes. Temperature dependent magnetic susceptibility studies reveal Pauli paramagnetism for Y4Ni2Mg3 and Lu4Ni2Mg3. The compounds with RE=Dy, Ho, Er and Tm are Curie‐Weiss paramagnets that order antiferromagnetically between 17.1(1) (RE=Dy) and 6.0(1) K (RE=Tm). The antiferromagnetic ground states are substantiated by metamagnetic transitions.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/zaac.202100390</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Antiferromagnetism Cubes Dysprosium Intermetallic compounds intermetallics magnesium Magnetic permeability Magnetic properties Paramagnetism Prisms rare earths Single crystals Tantalum Temperature dependence |
| title | Structure and magnetic properties of RE4Ni2Mg3 with RE=Y, Tb−Tm and Lu – New representatives of the Ru4B2Al3 type |
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