Memory effect in Dy0.5Sr0.5MnO3 single crystals
We have performed a series of magnetic aging experiments on single crystals of Dy(0.5)Sr(0.5)MnO(3). The results demonstrate striking memory and chaos-like effects in this insulating half-doped perovskite manganite and suggest the existence of strong magnetic relaxation mechanisms of a clustered mag...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2010-09, Vol.22 (34), p.346002-346002 |
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| container_title | Journal of physics. Condensed matter |
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| creator | Harikrishnan, S Rößler, S Kumar, C M N Xiao, Y Bhat, H L Rößler, U K Steglich, F Wirth, S Elizabeth, Suja |
| description | We have performed a series of magnetic aging experiments on single crystals of Dy(0.5)Sr(0.5)MnO(3). The results demonstrate striking memory and chaos-like effects in this insulating half-doped perovskite manganite and suggest the existence of strong magnetic relaxation mechanisms of a clustered magnetic state. The spin-glass-like state established below a temperature T(sg)≈ 34 K originates from quenched disorder arising due to the ionic-radii mismatch at the rare earth site. However, deviations from the typical behavior seen in canonical spin glass materials are observed which indicate that the glassy magnetic properties are due to cooperative and frustrated dynamics in a heterogeneous or clustered magnetic state. In particular, the microscopic spin flip time obtained from dynamical scaling near the spin glass freezing temperature is four orders of magnitude larger than microscopic times found in atomic spin glasses. The magnetic viscosity deduced from the time dependence of the zero-field-cooled magnetization exhibits a peak at a temperature T < T(sg) and displays a marked dependence on waiting time in zero field. |
| doi_str_mv | 10.1088/0953-8984/22/34/346002 |
| format | Article |
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The results demonstrate striking memory and chaos-like effects in this insulating half-doped perovskite manganite and suggest the existence of strong magnetic relaxation mechanisms of a clustered magnetic state. The spin-glass-like state established below a temperature T(sg)≈ 34 K originates from quenched disorder arising due to the ionic-radii mismatch at the rare earth site. However, deviations from the typical behavior seen in canonical spin glass materials are observed which indicate that the glassy magnetic properties are due to cooperative and frustrated dynamics in a heterogeneous or clustered magnetic state. In particular, the microscopic spin flip time obtained from dynamical scaling near the spin glass freezing temperature is four orders of magnitude larger than microscopic times found in atomic spin glasses. The magnetic viscosity deduced from the time dependence of the zero-field-cooled magnetization exhibits a peak at a temperature T < T(sg) and displays a marked dependence on waiting time in zero field.</description><identifier>ISSN: 0953-8984</identifier><identifier>EISSN: 1361-648X</identifier><identifier>DOI: 10.1088/0953-8984/22/34/346002</identifier><identifier>PMID: 21403267</identifier><identifier>CODEN: JCOMEL</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Clustering ; Condensed matter ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Deviation ; Domain effects, magnetization curves, and hysteresis ; Exact sciences and technology ; Magnetic properties and materials ; Magnetization ; Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects ; Magnetotransport phenomena, materials for magnetotransport ; Manganites ; Physics ; Rare earth metals ; Single crystals ; Spin glass</subject><ispartof>Journal of physics. Condensed matter, 2010-09, Vol.22 (34), p.346002-346002</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/0953-8984/22/34/346002/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,780,784,27922,27923,53828,53908</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23187551$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21403267$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Harikrishnan, S</creatorcontrib><creatorcontrib>Rößler, S</creatorcontrib><creatorcontrib>Kumar, C M N</creatorcontrib><creatorcontrib>Xiao, Y</creatorcontrib><creatorcontrib>Bhat, H L</creatorcontrib><creatorcontrib>Rößler, U K</creatorcontrib><creatorcontrib>Steglich, F</creatorcontrib><creatorcontrib>Wirth, S</creatorcontrib><creatorcontrib>Elizabeth, Suja</creatorcontrib><title>Memory effect in Dy0.5Sr0.5MnO3 single crystals</title><title>Journal of physics. Condensed matter</title><addtitle>J Phys Condens Matter</addtitle><description>We have performed a series of magnetic aging experiments on single crystals of Dy(0.5)Sr(0.5)MnO(3). The results demonstrate striking memory and chaos-like effects in this insulating half-doped perovskite manganite and suggest the existence of strong magnetic relaxation mechanisms of a clustered magnetic state. The spin-glass-like state established below a temperature T(sg)≈ 34 K originates from quenched disorder arising due to the ionic-radii mismatch at the rare earth site. However, deviations from the typical behavior seen in canonical spin glass materials are observed which indicate that the glassy magnetic properties are due to cooperative and frustrated dynamics in a heterogeneous or clustered magnetic state. In particular, the microscopic spin flip time obtained from dynamical scaling near the spin glass freezing temperature is four orders of magnitude larger than microscopic times found in atomic spin glasses. The magnetic viscosity deduced from the time dependence of the zero-field-cooled magnetization exhibits a peak at a temperature T < T(sg) and displays a marked dependence on waiting time in zero field.</description><subject>Clustering</subject><subject>Condensed matter</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Deviation</subject><subject>Domain effects, magnetization curves, and hysteresis</subject><subject>Exact sciences and technology</subject><subject>Magnetic properties and materials</subject><subject>Magnetization</subject><subject>Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects</subject><subject>Magnetotransport phenomena, materials for magnetotransport</subject><subject>Manganites</subject><subject>Physics</subject><subject>Rare earth metals</subject><subject>Single crystals</subject><subject>Spin glass</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqF0UtLAzEQB_Agiq3Vr1D2Ip62nTw3OUp9QksPKngL6SaRlX252R7225vSqgcFIWQO-c0Q_oPQFMMMg5RzUJymUkk2J2ROWTwCgByhMaYCp4LJ12M0_kYjdBbCOwAwSdkpGhHMgBKRjdF85aqmGxLnvcv7pKiTmwFm_KmL16pe0yQU9VvpkrwbQm_KcI5OfCzu4lAn6OXu9nnxkC7X94-L62VaUE761DHFGBEy_okx5oF4lSvpPcl4rkAowMZsrAEnlLdK2swqYUkmXSYxt1jRCbraz2275mPrQq-rIuSuLE3tmm3QMs4mXEj2v-RcKIpBRDk9yO2mcla3XVGZbtBfaURweQAm5Kb0nanzIvw4imXGOY4O713RtN-vGPRuM3oXut6FrgnRlOn9ZmJP-rvnb6tb6-knEgOHeA</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Harikrishnan, S</creator><creator>Rößler, S</creator><creator>Kumar, C M N</creator><creator>Xiao, Y</creator><creator>Bhat, H L</creator><creator>Rößler, U K</creator><creator>Steglich, F</creator><creator>Wirth, S</creator><creator>Elizabeth, Suja</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>NPM</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20100901</creationdate><title>Memory effect in Dy0.5Sr0.5MnO3 single crystals</title><author>Harikrishnan, S ; Rößler, S ; Kumar, C M N ; Xiao, Y ; Bhat, H L ; Rößler, U K ; Steglich, F ; Wirth, S ; Elizabeth, Suja</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i352t-e4944268002444f02f9c98ff275c906901aabda0e69fd98d7d96d278e7815d193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Clustering</topic><topic>Condensed matter</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Deviation</topic><topic>Domain effects, magnetization curves, and hysteresis</topic><topic>Exact sciences and technology</topic><topic>Magnetic properties and materials</topic><topic>Magnetization</topic><topic>Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects</topic><topic>Magnetotransport phenomena, materials for magnetotransport</topic><topic>Manganites</topic><topic>Physics</topic><topic>Rare earth metals</topic><topic>Single crystals</topic><topic>Spin glass</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harikrishnan, S</creatorcontrib><creatorcontrib>Rößler, S</creatorcontrib><creatorcontrib>Kumar, C M N</creatorcontrib><creatorcontrib>Xiao, Y</creatorcontrib><creatorcontrib>Bhat, H L</creatorcontrib><creatorcontrib>Rößler, U K</creatorcontrib><creatorcontrib>Steglich, F</creatorcontrib><creatorcontrib>Wirth, S</creatorcontrib><creatorcontrib>Elizabeth, Suja</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology 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>Harikrishnan, S</au><au>Rößler, S</au><au>Kumar, C M N</au><au>Xiao, Y</au><au>Bhat, H L</au><au>Rößler, U K</au><au>Steglich, F</au><au>Wirth, S</au><au>Elizabeth, Suja</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Memory effect in Dy0.5Sr0.5MnO3 single crystals</atitle><jtitle>Journal of physics. Condensed matter</jtitle><addtitle>J Phys Condens Matter</addtitle><date>2010-09-01</date><risdate>2010</risdate><volume>22</volume><issue>34</issue><spage>346002</spage><epage>346002</epage><pages>346002-346002</pages><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>We have performed a series of magnetic aging experiments on single crystals of Dy(0.5)Sr(0.5)MnO(3). The results demonstrate striking memory and chaos-like effects in this insulating half-doped perovskite manganite and suggest the existence of strong magnetic relaxation mechanisms of a clustered magnetic state. The spin-glass-like state established below a temperature T(sg)≈ 34 K originates from quenched disorder arising due to the ionic-radii mismatch at the rare earth site. However, deviations from the typical behavior seen in canonical spin glass materials are observed which indicate that the glassy magnetic properties are due to cooperative and frustrated dynamics in a heterogeneous or clustered magnetic state. In particular, the microscopic spin flip time obtained from dynamical scaling near the spin glass freezing temperature is four orders of magnitude larger than microscopic times found in atomic spin glasses. The magnetic viscosity deduced from the time dependence of the zero-field-cooled magnetization exhibits a peak at a temperature T < T(sg) and displays a marked dependence on waiting time in zero field.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><pmid>21403267</pmid><doi>10.1088/0953-8984/22/34/346002</doi><tpages>1</tpages></addata></record> |
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| subjects | Clustering Condensed matter Condensed matter: electronic structure, electrical, magnetic, and optical properties Deviation Domain effects, magnetization curves, and hysteresis Exact sciences and technology Magnetic properties and materials Magnetization Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects Magnetotransport phenomena, materials for magnetotransport Manganites Physics Rare earth metals Single crystals Spin glass |
| title | Memory effect in Dy0.5Sr0.5MnO3 single crystals |
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