Investigations of anisotropy and anomaly of the electron spin relaxation time in ferroelectric crystals by means of the electron spin echo method
X‐irradiated ferroelectric single crystals of hydrogen bonded Rochelle salt, dicalcium strontium propionate, and TGS were studied by means of the electron spin echo method. The investigated spin‐lattice relaxation time T1 shows characteristic anomalies at temperatures immediately below the Curie poi...
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| Veröffentlicht in: | Phys. Status Solidi A., v. 25, no. 2, pp. 591-597 v. 25, no. 2, pp. 591-597, 1974-10, Vol.25 (2), p.591-597 |
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| container_title | Phys. Status Solidi A., v. 25, no. 2, pp. 591-597 |
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| creator | Völkel, G. Bartuch, U. Brunner, W. Windsch, W. |
| description | X‐irradiated ferroelectric single crystals of hydrogen bonded Rochelle salt, dicalcium strontium propionate, and TGS were studied by means of the electron spin echo method. The investigated spin‐lattice relaxation time T1 shows characteristic anomalies at temperatures immediately below the Curie point. The study of the angular dependence of T1 in Rochelle salt gives the result, that the relaxation rate is not caused by rotational vibrations of the molecule, but by phonon modulation of the spin‐orbit coupling.
Mit Hilfe der Elektronen‐Spin‐Echo‐Methode wurden röntgenbestrahlte ferroelektrische Rochelle‐Salz‐, Dikalzium‐Strontium‐Propionat‐ und TGS‐Einkristalle untersucht. Die gemessenen Spin–Gitter‐Relaxationszeiten T1 zeigen charakteristische Anomalien bei Temperaturen unmittelbar unter dem Curie‐Punkt. Aus der Untersuchung der Winkelabhängigkeit von T1 in Rochelle‐Salz folgt, daß die Relaxationsrate nicht durch Drehschwingungen des Moleküls bestimmt wird, sondern durch Gitterschwingungen, die eine Modulation der Spin‐Bahn‐Kopplung verursachen. |
| doi_str_mv | 10.1002/pssa.2210250228 |
| format | Article |
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Mit Hilfe der Elektronen‐Spin‐Echo‐Methode wurden röntgenbestrahlte ferroelektrische Rochelle‐Salz‐, Dikalzium‐Strontium‐Propionat‐ und TGS‐Einkristalle untersucht. Die gemessenen Spin–Gitter‐Relaxationszeiten T1 zeigen charakteristische Anomalien bei Temperaturen unmittelbar unter dem Curie‐Punkt. Aus der Untersuchung der Winkelabhängigkeit von T1 in Rochelle‐Salz folgt, daß die Relaxationsrate nicht durch Drehschwingungen des Moleküls bestimmt wird, sondern durch Gitterschwingungen, die eine Modulation der Spin‐Bahn‐Kopplung verursachen.</description><identifier>ISSN: 0031-8965</identifier><identifier>EISSN: 1521-396X</identifier><identifier>DOI: 10.1002/pssa.2210250228</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><subject>ANISOTROPY ; COUPLING ; ELECTRONS ; ESTERS ; FERROELECTRIC MATERIALS- SPIN-LATTICE RELAXATION ; GLYCINE ; MONOCRYSTALS ; N50330 -Metals, Ceramics, & Other Materials-Plastics & Other Materials-Properties, Structure & Phase Studies ; PROPIONIC ACID ; ROCHELLE SALT ; ROTATIONAL STATES ; SPIN ECHO ; SULFATES ; TIME DEPENDENCE</subject><ispartof>Phys. Status Solidi A., v. 25, no. 2, pp. 591-597, 1974-10, Vol.25 (2), p.591-597</ispartof><rights>Copyright © 1974 WILEY‐VCH Verlag GmbH & Co. KGaA</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2718-94c645f5c879bbb08a4e264473958aa2cf98cf48103a71d260f1b8e675145abf3</citedby><cites>FETCH-LOGICAL-c2718-94c645f5c879bbb08a4e264473958aa2cf98cf48103a71d260f1b8e675145abf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fpssa.2210250228$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpssa.2210250228$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,885,1416,27915,27916,45565,45566</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/4269854$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Völkel, G.</creatorcontrib><creatorcontrib>Bartuch, U.</creatorcontrib><creatorcontrib>Brunner, W.</creatorcontrib><creatorcontrib>Windsch, W.</creatorcontrib><creatorcontrib>Karl-Marx-Univ., Leipzig</creatorcontrib><title>Investigations of anisotropy and anomaly of the electron spin relaxation time in ferroelectric crystals by means of the electron spin echo method</title><title>Phys. Status Solidi A., v. 25, no. 2, pp. 591-597</title><addtitle>phys. stat. sol. (a)</addtitle><description>X‐irradiated ferroelectric single crystals of hydrogen bonded Rochelle salt, dicalcium strontium propionate, and TGS were studied by means of the electron spin echo method. The investigated spin‐lattice relaxation time T1 shows characteristic anomalies at temperatures immediately below the Curie point. The study of the angular dependence of T1 in Rochelle salt gives the result, that the relaxation rate is not caused by rotational vibrations of the molecule, but by phonon modulation of the spin‐orbit coupling.
Mit Hilfe der Elektronen‐Spin‐Echo‐Methode wurden röntgenbestrahlte ferroelektrische Rochelle‐Salz‐, Dikalzium‐Strontium‐Propionat‐ und TGS‐Einkristalle untersucht. Die gemessenen Spin–Gitter‐Relaxationszeiten T1 zeigen charakteristische Anomalien bei Temperaturen unmittelbar unter dem Curie‐Punkt. Aus der Untersuchung der Winkelabhängigkeit von T1 in Rochelle‐Salz folgt, daß die Relaxationsrate nicht durch Drehschwingungen des Moleküls bestimmt wird, sondern durch Gitterschwingungen, die eine Modulation der Spin‐Bahn‐Kopplung verursachen.</description><subject>ANISOTROPY</subject><subject>COUPLING</subject><subject>ELECTRONS</subject><subject>ESTERS</subject><subject>FERROELECTRIC MATERIALS- SPIN-LATTICE RELAXATION</subject><subject>GLYCINE</subject><subject>MONOCRYSTALS</subject><subject>N50330 -Metals, Ceramics, & Other Materials-Plastics & Other Materials-Properties, Structure & Phase Studies</subject><subject>PROPIONIC ACID</subject><subject>ROCHELLE SALT</subject><subject>ROTATIONAL STATES</subject><subject>SPIN ECHO</subject><subject>SULFATES</subject><subject>TIME DEPENDENCE</subject><issn>0031-8965</issn><issn>1521-396X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1974</creationdate><recordtype>article</recordtype><recordid>eNqFkM1OxCAUhYnRxHF07Za4rwIFSuPKGP8naqJGd4Qy4KCdMgGi9jF8YxlrNMaFC3IJ53yXew8A2xjtYoTI3iJGtUsIRoQhQsQKGGFGcFHW_GEVjBAqcSFqztbBRoxPCCGKKjQC72fdi4nJParkfBeht1B1LvoU_KLP12k-fq7afqmkmYGmNTqLHYwL18FgWvX2icLk5gbmJ2tC8IPLaahDH5NqI2x6ODdq-OFvH6NnPutp5qebYM1mwGx91TG4Oz66PTwtJlcnZ4cHk0KTCouipppTZpkWVd00DRKKGsIprcqaCaWItrXQlgqMSlXhKeHI4kYYXjFMmWpsOQY7Q1-f15dRu5SH0L7r8lySEl4LRrNpbzDp4GMMxspFcHMVeomRXMYul7HLn9gzsT8Qr641_X92eX1zc_CLLgbaxWTevmkVniWvyorJ-8sTeXHJ7umt4PK8_ABqiJnj</recordid><startdate>19741016</startdate><enddate>19741016</enddate><creator>Völkel, G.</creator><creator>Bartuch, U.</creator><creator>Brunner, W.</creator><creator>Windsch, W.</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19741016</creationdate><title>Investigations of anisotropy and anomaly of the electron spin relaxation time in ferroelectric crystals by means of the electron spin echo method</title><author>Völkel, G. ; Bartuch, U. ; Brunner, W. ; Windsch, W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2718-94c645f5c879bbb08a4e264473958aa2cf98cf48103a71d260f1b8e675145abf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1974</creationdate><topic>ANISOTROPY</topic><topic>COUPLING</topic><topic>ELECTRONS</topic><topic>ESTERS</topic><topic>FERROELECTRIC MATERIALS- SPIN-LATTICE RELAXATION</topic><topic>GLYCINE</topic><topic>MONOCRYSTALS</topic><topic>N50330 -Metals, Ceramics, & Other Materials-Plastics & Other Materials-Properties, Structure & Phase Studies</topic><topic>PROPIONIC ACID</topic><topic>ROCHELLE SALT</topic><topic>ROTATIONAL STATES</topic><topic>SPIN ECHO</topic><topic>SULFATES</topic><topic>TIME DEPENDENCE</topic><toplevel>online_resources</toplevel><creatorcontrib>Völkel, G.</creatorcontrib><creatorcontrib>Bartuch, U.</creatorcontrib><creatorcontrib>Brunner, W.</creatorcontrib><creatorcontrib>Windsch, W.</creatorcontrib><creatorcontrib>Karl-Marx-Univ., Leipzig</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Phys. Status Solidi A., v. 25, no. 2, pp. 591-597</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Völkel, G.</au><au>Bartuch, U.</au><au>Brunner, W.</au><au>Windsch, W.</au><aucorp>Karl-Marx-Univ., Leipzig</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigations of anisotropy and anomaly of the electron spin relaxation time in ferroelectric crystals by means of the electron spin echo method</atitle><jtitle>Phys. Status Solidi A., v. 25, no. 2, pp. 591-597</jtitle><addtitle>phys. stat. sol. (a)</addtitle><date>1974-10-16</date><risdate>1974</risdate><volume>25</volume><issue>2</issue><spage>591</spage><epage>597</epage><pages>591-597</pages><issn>0031-8965</issn><eissn>1521-396X</eissn><abstract>X‐irradiated ferroelectric single crystals of hydrogen bonded Rochelle salt, dicalcium strontium propionate, and TGS were studied by means of the electron spin echo method. The investigated spin‐lattice relaxation time T1 shows characteristic anomalies at temperatures immediately below the Curie point. The study of the angular dependence of T1 in Rochelle salt gives the result, that the relaxation rate is not caused by rotational vibrations of the molecule, but by phonon modulation of the spin‐orbit coupling.
Mit Hilfe der Elektronen‐Spin‐Echo‐Methode wurden röntgenbestrahlte ferroelektrische Rochelle‐Salz‐, Dikalzium‐Strontium‐Propionat‐ und TGS‐Einkristalle untersucht. Die gemessenen Spin–Gitter‐Relaxationszeiten T1 zeigen charakteristische Anomalien bei Temperaturen unmittelbar unter dem Curie‐Punkt. Aus der Untersuchung der Winkelabhängigkeit von T1 in Rochelle‐Salz folgt, daß die Relaxationsrate nicht durch Drehschwingungen des Moleküls bestimmt wird, sondern durch Gitterschwingungen, die eine Modulation der Spin‐Bahn‐Kopplung verursachen.</abstract><cop>Berlin</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/pssa.2210250228</doi><tpages>7</tpages></addata></record> |
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| ispartof | Phys. Status Solidi A., v. 25, no. 2, pp. 591-597, 1974-10, Vol.25 (2), p.591-597 |
| issn | 0031-8965 1521-396X |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_pssa_2210250228 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | ANISOTROPY COUPLING ELECTRONS ESTERS FERROELECTRIC MATERIALS- SPIN-LATTICE RELAXATION GLYCINE MONOCRYSTALS N50330 -Metals, Ceramics, & Other Materials-Plastics & Other Materials-Properties, Structure & Phase Studies PROPIONIC ACID ROCHELLE SALT ROTATIONAL STATES SPIN ECHO SULFATES TIME DEPENDENCE |
| title | Investigations of anisotropy and anomaly of the electron spin relaxation time in ferroelectric crystals by means of the electron spin echo method |
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