Magnetization and magnetic phases in metallic and semiconducting HoxCa1-xMnO3
We have measured the magnetization, susceptibility, specific resistance, X-ray and neutron diffraction data of the series HoxCal-xMnO3 (x≤0.5; step width Δx = 0.1 or less). The compounds analyzed have distorted perovskite structures: they are orthorhombic for 0≤x≤0.13, and have an orthorhombic to mo...
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| Veröffentlicht in: | Journal of the Magnetics Society of Japan 1999/01/20, Vol.23(1_2), pp.525-527 |
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| creator | Schmid, H. Ihringer, J. Knorr, K. Prandl, W. Ritter, H. Zeiske, T. |
| description | We have measured the magnetization, susceptibility, specific resistance, X-ray and neutron diffraction data of the series HoxCal-xMnO3 (x≤0.5; step width Δx = 0.1 or less). The compounds analyzed have distorted perovskite structures: they are orthorhombic for 0≤x≤0.13, and have an orthorhombic to monoclinic phase transition for 0.13≤x≤0.33. Ho ions are paramagnetic for 4 K≤T≤300 K. Their magnetization and susceptibility at low temperatures are, however, reduced from what one expects for free ions. We calculate a crystal field correction MHo(T, H) and χHo(T). The resulting data for Mn show a reduced magnetic moment (x≥0.2) and a ferromagnetic phase at x = 0.1 ± 0.05 with ordering temperatures TN/TC ≈ 110 K. These results show that (HoxCa1-x)MnO3 belongs to the family of the giant magnetoresistance compounds (LaxCa1-x)MnO3 with, however, the ferromagnetic phase occuring at x = 0.1 as compared to x = 0.67 in the La-compound. |
| doi_str_mv | 10.3379/jmsjmag.23.525 |
| format | Article |
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The compounds analyzed have distorted perovskite structures: they are orthorhombic for 0≤x≤0.13, and have an orthorhombic to monoclinic phase transition for 0.13≤x≤0.33. Ho ions are paramagnetic for 4 K≤T≤300 K. Their magnetization and susceptibility at low temperatures are, however, reduced from what one expects for free ions. We calculate a crystal field correction MHo(T, H) and χHo(T). The resulting data for Mn show a reduced magnetic moment (x≥0.2) and a ferromagnetic phase at x = 0.1 ± 0.05 with ordering temperatures TN/TC ≈ 110 K. These results show that (HoxCa1-x)MnO3 belongs to the family of the giant magnetoresistance compounds (LaxCa1-x)MnO3 with, however, the ferromagnetic phase occuring at x = 0.1 as compared to x = 0.67 in the La-compound.</description><identifier>ISSN: 0285-0192</identifier><identifier>EISSN: 1880-4004</identifier><identifier>DOI: 10.3379/jmsjmag.23.525</identifier><language>eng</language><publisher>The Magnetics Society of Japan</publisher><subject>crystal field ; ferromagnetic phase ; giant magnetoresistance ; HoxCa1-xMnO3 ; magnetization ; perovskite ; phase transition ; resistance ; susceptibility</subject><ispartof>Journal of the Magnetics Society of Japan, 1999/01/20, Vol.23(1_2), pp.525-527</ispartof><rights>1999 by The Magnetics Society of Japan</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3365-23e2f0b47d40fd804fff01e067312ade326f99af5997c4aeda8046b6623bc0393</citedby><cites>FETCH-LOGICAL-c3365-23e2f0b47d40fd804fff01e067312ade326f99af5997c4aeda8046b6623bc0393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Schmid, H.</creatorcontrib><creatorcontrib>Ihringer, J.</creatorcontrib><creatorcontrib>Knorr, K.</creatorcontrib><creatorcontrib>Prandl, W.</creatorcontrib><creatorcontrib>Ritter, H.</creatorcontrib><creatorcontrib>Zeiske, T.</creatorcontrib><title>Magnetization and magnetic phases in metallic and semiconducting HoxCa1-xMnO3</title><title>Journal of the Magnetics Society of Japan</title><addtitle>J. Magn. Soc. Jpn.</addtitle><description>We have measured the magnetization, susceptibility, specific resistance, X-ray and neutron diffraction data of the series HoxCal-xMnO3 (x≤0.5; step width Δx = 0.1 or less). The compounds analyzed have distorted perovskite structures: they are orthorhombic for 0≤x≤0.13, and have an orthorhombic to monoclinic phase transition for 0.13≤x≤0.33. Ho ions are paramagnetic for 4 K≤T≤300 K. Their magnetization and susceptibility at low temperatures are, however, reduced from what one expects for free ions. We calculate a crystal field correction MHo(T, H) and χHo(T). The resulting data for Mn show a reduced magnetic moment (x≥0.2) and a ferromagnetic phase at x = 0.1 ± 0.05 with ordering temperatures TN/TC ≈ 110 K. These results show that (HoxCa1-x)MnO3 belongs to the family of the giant magnetoresistance compounds (LaxCa1-x)MnO3 with, however, the ferromagnetic phase occuring at x = 0.1 as compared to x = 0.67 in the La-compound.</description><subject>crystal field</subject><subject>ferromagnetic phase</subject><subject>giant magnetoresistance</subject><subject>HoxCa1-xMnO3</subject><subject>magnetization</subject><subject>perovskite</subject><subject>phase transition</subject><subject>resistance</subject><subject>susceptibility</subject><issn>0285-0192</issn><issn>1880-4004</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNpNkM1OwzAQhC0EEqVw5ZwXSFh78-cjqqBFatULnK2tY6eJEqeKg1R4elwVKk4jzX4z0g5jjxwSxEI-tb1ve6oTgUkmsis242UJcQqQXrMZiDKLgUtxy-68b4PJM85nbLOh2pmp-aapGVxEror6s6Ojw5688VHjot5M1HXBOt296Rs9uOpTT42ro9VwXBCPjxu3xXt2Y6nz5uFX5-zj9eV9sYrX2-Xb4nkda8Q8iwUaYWGXFlUKtiohtdYCN5AXyAVVBkVupSSbSVnolExFgcl3eS5wpwElzlly7tXj4P1orDqMTU_jl-KgTmOo3zGUQBXGCIHlOdD6iWpzwWkMj3bmP86V-JOQvBB6T6MyDn8A5o5uEQ</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Schmid, H.</creator><creator>Ihringer, J.</creator><creator>Knorr, K.</creator><creator>Prandl, W.</creator><creator>Ritter, H.</creator><creator>Zeiske, T.</creator><general>The Magnetics Society of Japan</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199901</creationdate><title>Magnetization and magnetic phases in metallic and semiconducting HoxCa1-xMnO3</title><author>Schmid, H. ; Ihringer, J. ; Knorr, K. ; Prandl, W. ; Ritter, H. ; Zeiske, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3365-23e2f0b47d40fd804fff01e067312ade326f99af5997c4aeda8046b6623bc0393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>crystal field</topic><topic>ferromagnetic phase</topic><topic>giant magnetoresistance</topic><topic>HoxCa1-xMnO3</topic><topic>magnetization</topic><topic>perovskite</topic><topic>phase transition</topic><topic>resistance</topic><topic>susceptibility</topic><toplevel>online_resources</toplevel><creatorcontrib>Schmid, H.</creatorcontrib><creatorcontrib>Ihringer, J.</creatorcontrib><creatorcontrib>Knorr, K.</creatorcontrib><creatorcontrib>Prandl, W.</creatorcontrib><creatorcontrib>Ritter, H.</creatorcontrib><creatorcontrib>Zeiske, T.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of the Magnetics Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schmid, H.</au><au>Ihringer, J.</au><au>Knorr, K.</au><au>Prandl, W.</au><au>Ritter, H.</au><au>Zeiske, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetization and magnetic phases in metallic and semiconducting HoxCa1-xMnO3</atitle><jtitle>Journal of the Magnetics Society of Japan</jtitle><addtitle>J. Magn. Soc. Jpn.</addtitle><date>1999-01</date><risdate>1999</risdate><volume>23</volume><issue>1_2</issue><spage>525</spage><epage>527</epage><pages>525-527</pages><issn>0285-0192</issn><eissn>1880-4004</eissn><abstract>We have measured the magnetization, susceptibility, specific resistance, X-ray and neutron diffraction data of the series HoxCal-xMnO3 (x≤0.5; step width Δx = 0.1 or less). The compounds analyzed have distorted perovskite structures: they are orthorhombic for 0≤x≤0.13, and have an orthorhombic to monoclinic phase transition for 0.13≤x≤0.33. Ho ions are paramagnetic for 4 K≤T≤300 K. Their magnetization and susceptibility at low temperatures are, however, reduced from what one expects for free ions. We calculate a crystal field correction MHo(T, H) and χHo(T). The resulting data for Mn show a reduced magnetic moment (x≥0.2) and a ferromagnetic phase at x = 0.1 ± 0.05 with ordering temperatures TN/TC ≈ 110 K. These results show that (HoxCa1-x)MnO3 belongs to the family of the giant magnetoresistance compounds (LaxCa1-x)MnO3 with, however, the ferromagnetic phase occuring at x = 0.1 as compared to x = 0.67 in the La-compound.</abstract><pub>The Magnetics Society of Japan</pub><doi>10.3379/jmsjmag.23.525</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | crystal field ferromagnetic phase giant magnetoresistance HoxCa1-xMnO3 magnetization perovskite phase transition resistance susceptibility |
| title | Magnetization and magnetic phases in metallic and semiconducting HoxCa1-xMnO3 |
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