Epr and magnetic properties on lacamno manganites
Electron paramagnetic resonance (EPR) and AC Susceptibility measurements were carried out as a function of temperature on La0,7Ca0,3MnO3 polycrystalline samples. The samples displayed a transition from paramagnetic-insulator to ferromagnetic-metal at Tc around 261K. Tc was determined from the invers...
- Autores:
-
Olarte, J. A.
Mariño, A.
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2008
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/73593
- Acceso en línea:
- https://repositorio.unal.edu.co/handle/unal/73593
http://bdigital.unal.edu.co/38069/
- Palabra clave:
- LaCaMnO manganites
EPR
a.c. susceptibility.
LaCaMnO manganites
EPR
a.c. susceptibility.
- Rights
- openAccess
- License
- Atribución-NoComercial 4.0 Internacional
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Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Olarte, J. A.af5d3cb1-f793-473f-9f03-f23d9a8a5b9c300Mariño, A.29e1235f-10bb-4fe0-b14f-03ff489524dd3002019-07-03T16:34:01Z2019-07-03T16:34:01Z2008https://repositorio.unal.edu.co/handle/unal/73593http://bdigital.unal.edu.co/38069/Electron paramagnetic resonance (EPR) and AC Susceptibility measurements were carried out as a function of temperature on La0,7Ca0,3MnO3 polycrystalline samples. The samples displayed a transition from paramagnetic-insulator to ferromagnetic-metal at Tc around 261K. Tc was determined from the inverse of the real part of a.c. susceptibility (1/X’) vs temperature, which follows a simple Curie-Weiss behavior. The inverse of the EPR intensity also follows a Curie-Weiss type behavior down toTEPR = 253 K.. The structure of the samples as determined by X-Ray diffraction (XRD) corresponds to a single perovskite phase with orthorhombic unit cell.Electron paramagnetic resonance (EPR) and AC Susceptibility measurements were carried out as a function of temperature on La0,7Ca0,3MnO3 polycrystalline samples. The samples displayed a transition from paramagnetic-insulator to ferromagnetic-metal at Tc around 261K. Tc was determined from the inverse of the real part of a.c. susceptibility (1/X’) vs temperature, which follows a simple Curie-Weiss behavior. The inverse of the EPR intensity also follows a Curie-Weiss type behavior down toTEPR = 253 K.. The structure of the samples as determined by X-Ray diffraction (XRD) corresponds to a single perovskite phase with orthorhombic unit cell.application/pdfspaUniversidad Nacional de Colombia, Bogotáhttp://revistas.unal.edu.co/index.php/momento/article/view/40430Universidad Nacional de Colombia Revistas electrónicas UN MOMENTO - Revista de FísicaMOMENTO - Revista de FísicaMOMENTO - Revista de Física; núm. 36 (2008); 18-25 0121-4470Olarte, J. A. and Mariño, A. (2008) Epr and magnetic properties on lacamno manganites. MOMENTO - Revista de Física; núm. 36 (2008); 18-25 0121-4470 .Epr and magnetic properties on lacamno manganitesArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTLaCaMnO manganitesEPRa.c. susceptibility.LaCaMnO manganitesEPRa.c. susceptibility.ORIGINAL40430-186824-1-PB.pdfapplication/pdf283073https://repositorio.unal.edu.co/bitstream/unal/73593/1/40430-186824-1-PB.pdff596352af5fdbe9f17cff4ae5fc8fa37MD51THUMBNAIL40430-186824-1-PB.pdf.jpg40430-186824-1-PB.pdf.jpgGenerated Thumbnailimage/jpeg6709https://repositorio.unal.edu.co/bitstream/unal/73593/2/40430-186824-1-PB.pdf.jpgc563bf1f771cc8282bfaf7cd0599a49cMD52unal/73593oai:repositorio.unal.edu.co:unal/735932024-06-25 23:11:39.681Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co |
| dc.title.spa.fl_str_mv |
Epr and magnetic properties on lacamno manganites |
| title |
Epr and magnetic properties on lacamno manganites |
| spellingShingle |
Epr and magnetic properties on lacamno manganites LaCaMnO manganites EPR a.c. susceptibility. LaCaMnO manganites EPR a.c. susceptibility. |
| title_short |
Epr and magnetic properties on lacamno manganites |
| title_full |
Epr and magnetic properties on lacamno manganites |
| title_fullStr |
Epr and magnetic properties on lacamno manganites |
| title_full_unstemmed |
Epr and magnetic properties on lacamno manganites |
| title_sort |
Epr and magnetic properties on lacamno manganites |
| dc.creator.fl_str_mv |
Olarte, J. A. Mariño, A. |
| dc.contributor.author.spa.fl_str_mv |
Olarte, J. A. Mariño, A. |
| dc.subject.proposal.spa.fl_str_mv |
LaCaMnO manganites EPR a.c. susceptibility. LaCaMnO manganites EPR a.c. susceptibility. |
| topic |
LaCaMnO manganites EPR a.c. susceptibility. LaCaMnO manganites EPR a.c. susceptibility. |
| description |
Electron paramagnetic resonance (EPR) and AC Susceptibility measurements were carried out as a function of temperature on La0,7Ca0,3MnO3 polycrystalline samples. The samples displayed a transition from paramagnetic-insulator to ferromagnetic-metal at Tc around 261K. Tc was determined from the inverse of the real part of a.c. susceptibility (1/X’) vs temperature, which follows a simple Curie-Weiss behavior. The inverse of the EPR intensity also follows a Curie-Weiss type behavior down toTEPR = 253 K.. The structure of the samples as determined by X-Ray diffraction (XRD) corresponds to a single perovskite phase with orthorhombic unit cell. |
| publishDate |
2008 |
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2008 |
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2019-07-03T16:34:01Z |
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2019-07-03T16:34:01Z |
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Artículo de revista |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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info:eu-repo/semantics/article |
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Text |
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https://repositorio.unal.edu.co/handle/unal/73593 |
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http://bdigital.unal.edu.co/38069/ |
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https://repositorio.unal.edu.co/handle/unal/73593 http://bdigital.unal.edu.co/38069/ |
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spa |
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spa |
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http://revistas.unal.edu.co/index.php/momento/article/view/40430 |
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Universidad Nacional de Colombia Revistas electrónicas UN MOMENTO - Revista de Física MOMENTO - Revista de Física |
| dc.relation.ispartofseries.none.fl_str_mv |
MOMENTO - Revista de Física; núm. 36 (2008); 18-25 0121-4470 |
| dc.relation.references.spa.fl_str_mv |
Olarte, J. A. and Mariño, A. (2008) Epr and magnetic properties on lacamno manganites. MOMENTO - Revista de Física; núm. 36 (2008); 18-25 0121-4470 . |
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Derechos reservados - Universidad Nacional de Colombia |
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http://purl.org/coar/access_right/c_abf2 |
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Atribución-NoComercial 4.0 Internacional |
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http://creativecommons.org/licenses/by-nc/4.0/ |
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info:eu-repo/semantics/openAccess |
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