Analysis of the magnetic properties of (La sub(1 - x )Sr sub(x)) sub(0.93)MnO sub(3) manganites at high temperatures
For the first time, the Faraday method is used to measure the temperature dependence of paramagnetic susceptibility j(T) of (La sub(1 - x)Sr sub( x)) sub(0.93)MnO sub(3) (x = 0.2, 0.25, or 0.3) manganites in the temperature interval 60-850C. It is demonstrated that the dependences have two kinks and...
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| Veröffentlicht in: | Journal of communications technology & electronics 2007-09, Vol.52 (9), p.1058-1061 |
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| container_title | Journal of communications technology & electronics |
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| creator | Kuvandikov, OK Shakarov, KhO Shodiev, Z M Rustamov, A |
| description | For the first time, the Faraday method is used to measure the temperature dependence of paramagnetic susceptibility j(T) of (La sub(1 - x)Sr sub( x)) sub(0.93)MnO sub(3) (x = 0.2, 0.25, or 0.3) manganites in the temperature interval 60-850C. It is demonstrated that the dependences have two kinks and three linear sections. The kink of curve j super(-1)(T) is related to polymorphic transformations (Q' 1 Q* and Q* 1 R) that take place in the crystal lattices of the samples. The main magnetic characteristics of the samples are determined with the least-squares processing of curve j super(-1). Is is demonstrated that dependence j super(-1)(T) obeys the Curie-Weiss law. The energy state of the magnetoactive manganese atom in the Q'-and Q*-phase samples is close to the energy state of a free Mn super(2+) ion. In the R phase, this state is close to the state of a free Mn super(3+) ion. |
| doi_str_mv | 10.1134/S1064226907090161 |
| format | Article |
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It is demonstrated that the dependences have two kinks and three linear sections. The kink of curve j super(-1)(T) is related to polymorphic transformations (Q' 1 Q* and Q* 1 R) that take place in the crystal lattices of the samples. The main magnetic characteristics of the samples are determined with the least-squares processing of curve j super(-1). Is is demonstrated that dependence j super(-1)(T) obeys the Curie-Weiss law. The energy state of the magnetoactive manganese atom in the Q'-and Q*-phase samples is close to the energy state of a free Mn super(2+) ion. 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It is demonstrated that the dependences have two kinks and three linear sections. The kink of curve j super(-1)(T) is related to polymorphic transformations (Q' 1 Q* and Q* 1 R) that take place in the crystal lattices of the samples. The main magnetic characteristics of the samples are determined with the least-squares processing of curve j super(-1). Is is demonstrated that dependence j super(-1)(T) obeys the Curie-Weiss law. The energy state of the magnetoactive manganese atom in the Q'-and Q*-phase samples is close to the energy state of a free Mn super(2+) ion. In the R phase, this state is close to the state of a free Mn super(3+) ion.</description><subject>Electronics</subject><subject>Least squares method</subject><subject>Magnetic permeability</subject><subject>Magnetic properties</subject><subject>Manganites</subject><subject>Strontium</subject><subject>Temperature dependence</subject><subject>Transformations</subject><issn>1064-2269</issn><issn>1555-6557</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqNj8FOwzAMhiMEEmPsAbj5xnLoSJolU44IgTgw7bDdpzB5baY2HbUrjbcnVDwAp9-_Pvu3LcSDVgutzfJpq5VblqXzaqW80k5fiYm21hbO2tV1rjMufvmtuCM6KWW8U2Yi-DmF5psiQXcErhHaUCXkeIBz352x54gjmn8EoOFzrqGAC8htP7qLlKOqhTdynTajMTKHpCqkyHk2MNSxqoGxzXGBhx7pXtwcQ0M4-9OpeHx73b28F3nn14DE-zbSAZsmJOwG2uenfL63NOb_nT8QtFKl</recordid><startdate>20070901</startdate><enddate>20070901</enddate><creator>Kuvandikov, OK</creator><creator>Shakarov, KhO</creator><creator>Shodiev, Z M</creator><creator>Rustamov, A</creator><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20070901</creationdate><title>Analysis of the magnetic properties of (La sub(1 - x )Sr sub(x)) sub(0.93)MnO sub(3) manganites at high temperatures</title><author>Kuvandikov, OK ; Shakarov, KhO ; Shodiev, Z M ; Rustamov, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_9079396233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Electronics</topic><topic>Least squares method</topic><topic>Magnetic permeability</topic><topic>Magnetic properties</topic><topic>Manganites</topic><topic>Strontium</topic><topic>Temperature dependence</topic><topic>Transformations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kuvandikov, OK</creatorcontrib><creatorcontrib>Shakarov, KhO</creatorcontrib><creatorcontrib>Shodiev, Z M</creatorcontrib><creatorcontrib>Rustamov, A</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of communications technology & electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kuvandikov, OK</au><au>Shakarov, KhO</au><au>Shodiev, Z M</au><au>Rustamov, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of the magnetic properties of (La sub(1 - x )Sr sub(x)) sub(0.93)MnO sub(3) manganites at high temperatures</atitle><jtitle>Journal of communications technology & electronics</jtitle><date>2007-09-01</date><risdate>2007</risdate><volume>52</volume><issue>9</issue><spage>1058</spage><epage>1061</epage><pages>1058-1061</pages><issn>1064-2269</issn><eissn>1555-6557</eissn><abstract>For the first time, the Faraday method is used to measure the temperature dependence of paramagnetic susceptibility j(T) of (La sub(1 - x)Sr sub( x)) sub(0.93)MnO sub(3) (x = 0.2, 0.25, or 0.3) manganites in the temperature interval 60-850C. It is demonstrated that the dependences have two kinks and three linear sections. The kink of curve j super(-1)(T) is related to polymorphic transformations (Q' 1 Q* and Q* 1 R) that take place in the crystal lattices of the samples. The main magnetic characteristics of the samples are determined with the least-squares processing of curve j super(-1). Is is demonstrated that dependence j super(-1)(T) obeys the Curie-Weiss law. The energy state of the magnetoactive manganese atom in the Q'-and Q*-phase samples is close to the energy state of a free Mn super(2+) ion. In the R phase, this state is close to the state of a free Mn super(3+) ion.</abstract><doi>10.1134/S1064226907090161</doi></addata></record> |
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| issn | 1064-2269 1555-6557 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Electronics Least squares method Magnetic permeability Magnetic properties Manganites Strontium Temperature dependence Transformations |
| title | Analysis of the magnetic properties of (La sub(1 - x )Sr sub(x)) sub(0.93)MnO sub(3) manganites at high temperatures |
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