Correlation between reentrant spin glass behavior and the magnetic order–disorder transition of the martensite phase in Ni–Co–Mn–Sb Heusler alloys
We have performed ac susceptibility and dc magnetization measurements in Ni(50-x)Co(x)Mn(38)Sb(12) Heusler alloys. From the ac susceptibility measurements, the existence of reentrant spin glass (RSG) state is observed for x=0-5. It is found that the signature of RSG behavior diminishes with increase...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2011-10, Vol.23 (41), p.416004-np |
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| creator | Nayak, Ajaya K Suresh, K G Nigam, A K |
| description | We have performed ac susceptibility and dc magnetization measurements in Ni(50-x)Co(x)Mn(38)Sb(12) Heusler alloys. From the ac susceptibility measurements, the existence of reentrant spin glass (RSG) state is observed for x=0-5. It is found that the signature of RSG behavior diminishes with increase in x. This behavior is in contrast to the fact that the exchange bias field increases with x, which reveals that the origins of RSG and exchange bias are different in the present system. It is found that the system enters a frustrated ferromagnetic state just below the Curie temperature of the martensite phase (T(M)(C)) and then the RSG state at low temperature. The strength of the RSG state is critically dependent on the sharpness of the magnetic transition at (T(M)(C)). This proposition is further supported by the thermo-remanent magnetization and low field thermomagnetic measurements. |
| doi_str_mv | 10.1088/0953-8984/23/41/416004 |
| format | Article |
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From the ac susceptibility measurements, the existence of reentrant spin glass (RSG) state is observed for x=0-5. It is found that the signature of RSG behavior diminishes with increase in x. This behavior is in contrast to the fact that the exchange bias field increases with x, which reveals that the origins of RSG and exchange bias are different in the present system. It is found that the system enters a frustrated ferromagnetic state just below the Curie temperature of the martensite phase (T(M)(C)) and then the RSG state at low temperature. The strength of the RSG state is critically dependent on the sharpness of the magnetic transition at (T(M)(C)). 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Condensed matter</title><addtitle>J Phys Condens Matter</addtitle><description>We have performed ac susceptibility and dc magnetization measurements in Ni(50-x)Co(x)Mn(38)Sb(12) Heusler alloys. From the ac susceptibility measurements, the existence of reentrant spin glass (RSG) state is observed for x=0-5. It is found that the signature of RSG behavior diminishes with increase in x. This behavior is in contrast to the fact that the exchange bias field increases with x, which reveals that the origins of RSG and exchange bias are different in the present system. It is found that the system enters a frustrated ferromagnetic state just below the Curie temperature of the martensite phase (T(M)(C)) and then the RSG state at low temperature. The strength of the RSG state is critically dependent on the sharpness of the magnetic transition at (T(M)(C)). This proposition is further supported by the thermo-remanent magnetization and low field thermomagnetic measurements.</description><subject>Bias</subject><subject>Condensed matter</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Exchange</subject><subject>Heusler alloys</subject><subject>Magnetic permeability</subject><subject>Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)</subject><subject>Magnetic properties and materials</subject><subject>Magnetically ordered materials: other intrinsic properties</subject><subject>Magnetization</subject><subject>Martensite</subject><subject>Physics</subject><subject>Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)</subject><subject>Spin glass</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkc9u1DAQxi0EokvhFSpfEFzCevwnax_RClqkAgdA4mY5zqRrlI2DnQX1xjv0xuPxJDjdZTmAQLLGluf3zdjzEXIG7BkwrZfMKFFpo-WSi6WEsmrG5B2yAFFDVUv98S5ZHKET8iDnT6wQWsj75ISDURw4LMj3dUwJezeFONAGp6-IA00lTMkNE81jGOhV73IuyY37EmKibmjptEG6dVcDTsHTmFpMP77dtCHfHumszeG2ZOwObJpwvkM6blxGWsq-CUWzjiW8Hkp419AL3OW-6F3fx-v8kNzrXJ_x0WE_JR9evni_vqgu356_Wj-_rLxUYqqEdkJoWPHacK9WgAKRGeBGq1rwBrQElA2attbgmWxA8cao2hm-ajuvvTglT_Z1xxQ_7zBPdhuyx753A8ZdttoorVZlYIV8-k8Sas6YAgUzWu9Rn2LOCTs7plCmcG2B2dlBO5tjZ3MsF1aC3TtYhGeHHrtmi-1R9suyAjw-AC5713dl1j7k35ysAcrfClftuRDHY_bvTe3YdoWHP_n_PPYntAzFCQ</recordid><startdate>20111019</startdate><enddate>20111019</enddate><creator>Nayak, Ajaya K</creator><creator>Suresh, K G</creator><creator>Nigam, A K</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20111019</creationdate><title>Correlation between reentrant spin glass behavior and the magnetic order–disorder transition of the martensite phase in Ni–Co–Mn–Sb Heusler alloys</title><author>Nayak, Ajaya K ; Suresh, K G ; Nigam, A K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-38a338172692c571e3ee0912985632b1841e4be9d681c04b152b956a927dfc8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Bias</topic><topic>Condensed matter</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Exchange</topic><topic>Heusler alloys</topic><topic>Magnetic permeability</topic><topic>Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)</topic><topic>Magnetic properties and materials</topic><topic>Magnetically ordered materials: other intrinsic properties</topic><topic>Magnetization</topic><topic>Martensite</topic><topic>Physics</topic><topic>Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)</topic><topic>Spin glass</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nayak, Ajaya K</creatorcontrib><creatorcontrib>Suresh, K G</creatorcontrib><creatorcontrib>Nigam, A K</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nayak, Ajaya K</au><au>Suresh, K G</au><au>Nigam, A K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlation between reentrant spin glass behavior and the magnetic order–disorder transition of the martensite phase in Ni–Co–Mn–Sb Heusler alloys</atitle><jtitle>Journal of physics. Condensed matter</jtitle><addtitle>J Phys Condens Matter</addtitle><date>2011-10-19</date><risdate>2011</risdate><volume>23</volume><issue>41</issue><spage>416004</spage><epage>np</epage><pages>416004-np</pages><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>We have performed ac susceptibility and dc magnetization measurements in Ni(50-x)Co(x)Mn(38)Sb(12) Heusler alloys. From the ac susceptibility measurements, the existence of reentrant spin glass (RSG) state is observed for x=0-5. It is found that the signature of RSG behavior diminishes with increase in x. This behavior is in contrast to the fact that the exchange bias field increases with x, which reveals that the origins of RSG and exchange bias are different in the present system. It is found that the system enters a frustrated ferromagnetic state just below the Curie temperature of the martensite phase (T(M)(C)) and then the RSG state at low temperature. The strength of the RSG state is critically dependent on the sharpness of the magnetic transition at (T(M)(C)). This proposition is further supported by the thermo-remanent magnetization and low field thermomagnetic measurements.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><pmid>21952121</pmid><doi>10.1088/0953-8984/23/41/416004</doi><tpages>1</tpages></addata></record> |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Bias Condensed matter Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Exchange Heusler alloys Magnetic permeability Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Magnetization Martensite Physics Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) Spin glass |
| title | Correlation between reentrant spin glass behavior and the magnetic order–disorder transition of the martensite phase in Ni–Co–Mn–Sb Heusler alloys |
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