Epitaxial stabilization of ultra thin films of electron doped manganites
Ultra-thin films of the electron doped manganite La0.8Ce0.2MnO3 were grown in a layer-by-layer growth mode on SrTiO3 (001) substrates by pulsed laser interval deposition. High structural quality and surface morphology were confirmed by a combination of synchrotron based x-ray diffraction and atomic...
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| Veröffentlicht in: | Applied physics letters 2014-05, Vol.104 (20) |
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| container_title | Applied physics letters |
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| creator | Middey, S. Kareev, M. Meyers, D. Liu, X. Cao, Y. Tripathi, S. Yazici, D. Maple, M. B. Ryan, P. J. Freeland, J. W. Chakhalian, J. |
| description | Ultra-thin films of the electron doped manganite La0.8Ce0.2MnO3 were grown in a layer-by-layer growth mode on SrTiO3 (001) substrates by pulsed laser interval deposition. High structural quality and surface morphology were confirmed by a combination of synchrotron based x-ray diffraction and atomic force microscopy. Resonant X-ray absorption spectroscopy measurements confirm the presence of Ce4+ and Mn2+ ions. In addition, the electron doping signature was corroborated by Hall effect measurements. All grown films show a ferromagnetic ground state as revealed by both dc magnetization and x-ray magnetic circular dichroism measurements and remain insulating contrary to earlier reports of a metal-insulator transition. Our results hint at the possibility of electron-hole asymmetry in the colossal magnetoresistive manganite phase diagram akin to the high-Tc cuprates. |
| doi_str_mv | 10.1063/1.4879456 |
| format | Article |
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B. ; Ryan, P. J. ; Freeland, J. W. ; Chakhalian, J.</creator><creatorcontrib>Middey, S. ; Kareev, M. ; Meyers, D. ; Liu, X. ; Cao, Y. ; Tripathi, S. ; Yazici, D. ; Maple, M. B. ; Ryan, P. J. ; Freeland, J. W. ; Chakhalian, J.</creatorcontrib><description>Ultra-thin films of the electron doped manganite La0.8Ce0.2MnO3 were grown in a layer-by-layer growth mode on SrTiO3 (001) substrates by pulsed laser interval deposition. High structural quality and surface morphology were confirmed by a combination of synchrotron based x-ray diffraction and atomic force microscopy. Resonant X-ray absorption spectroscopy measurements confirm the presence of Ce4+ and Mn2+ ions. In addition, the electron doping signature was corroborated by Hall effect measurements. All grown films show a ferromagnetic ground state as revealed by both dc magnetization and x-ray magnetic circular dichroism measurements and remain insulating contrary to earlier reports of a metal-insulator transition. Our results hint at the possibility of electron-hole asymmetry in the colossal magnetoresistive manganite phase diagram akin to the high-Tc cuprates.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4879456</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>ABSORPTION SPECTROSCOPY ; Applied physics ; ASYMMETRY ; ATOMIC FORCE MICROSCOPY ; CERIUM COMPOUNDS ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Cuprates ; Dichroism ; DOPED MATERIALS ; Electrons ; EPITAXY ; Ferromagnetic materials ; GROUND STATES ; HALL EFFECT ; Holes (electron deficiencies) ; Insulators ; LANTHANUM COMPOUNDS ; LAYERS ; MAGNETIC CIRCULAR DICHROISM ; MAGNETIZATION ; MAGNETORESISTANCE ; Magnetoresistivity ; MANGANATES ; Manganese ions ; Manganites ; Metal-insulator transition ; Morphology ; PHASE DIAGRAMS ; Pulsed lasers ; STRONTIUM TITANATES ; SUBSTRATES ; THIN FILMS ; X ray absorption ; X ray spectra ; X-RAY DIFFRACTION ; X-RAY SPECTROSCOPY</subject><ispartof>Applied physics letters, 2014-05, Vol.104 (20)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-341abf4c27e573a22327b24d360b259f212143a0ba50847060e0aec41e6af773</citedby><cites>FETCH-LOGICAL-c285t-341abf4c27e573a22327b24d360b259f212143a0ba50847060e0aec41e6af773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22300198$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Middey, S.</creatorcontrib><creatorcontrib>Kareev, M.</creatorcontrib><creatorcontrib>Meyers, D.</creatorcontrib><creatorcontrib>Liu, X.</creatorcontrib><creatorcontrib>Cao, Y.</creatorcontrib><creatorcontrib>Tripathi, S.</creatorcontrib><creatorcontrib>Yazici, D.</creatorcontrib><creatorcontrib>Maple, M. B.</creatorcontrib><creatorcontrib>Ryan, P. J.</creatorcontrib><creatorcontrib>Freeland, J. W.</creatorcontrib><creatorcontrib>Chakhalian, J.</creatorcontrib><title>Epitaxial stabilization of ultra thin films of electron doped manganites</title><title>Applied physics letters</title><description>Ultra-thin films of the electron doped manganite La0.8Ce0.2MnO3 were grown in a layer-by-layer growth mode on SrTiO3 (001) substrates by pulsed laser interval deposition. High structural quality and surface morphology were confirmed by a combination of synchrotron based x-ray diffraction and atomic force microscopy. Resonant X-ray absorption spectroscopy measurements confirm the presence of Ce4+ and Mn2+ ions. In addition, the electron doping signature was corroborated by Hall effect measurements. All grown films show a ferromagnetic ground state as revealed by both dc magnetization and x-ray magnetic circular dichroism measurements and remain insulating contrary to earlier reports of a metal-insulator transition. Our results hint at the possibility of electron-hole asymmetry in the colossal magnetoresistive manganite phase diagram akin to the high-Tc cuprates.</description><subject>ABSORPTION SPECTROSCOPY</subject><subject>Applied physics</subject><subject>ASYMMETRY</subject><subject>ATOMIC FORCE MICROSCOPY</subject><subject>CERIUM COMPOUNDS</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>Cuprates</subject><subject>Dichroism</subject><subject>DOPED MATERIALS</subject><subject>Electrons</subject><subject>EPITAXY</subject><subject>Ferromagnetic materials</subject><subject>GROUND STATES</subject><subject>HALL EFFECT</subject><subject>Holes (electron deficiencies)</subject><subject>Insulators</subject><subject>LANTHANUM COMPOUNDS</subject><subject>LAYERS</subject><subject>MAGNETIC CIRCULAR DICHROISM</subject><subject>MAGNETIZATION</subject><subject>MAGNETORESISTANCE</subject><subject>Magnetoresistivity</subject><subject>MANGANATES</subject><subject>Manganese ions</subject><subject>Manganites</subject><subject>Metal-insulator transition</subject><subject>Morphology</subject><subject>PHASE DIAGRAMS</subject><subject>Pulsed lasers</subject><subject>STRONTIUM TITANATES</subject><subject>SUBSTRATES</subject><subject>THIN FILMS</subject><subject>X ray absorption</subject><subject>X ray spectra</subject><subject>X-RAY DIFFRACTION</subject><subject>X-RAY SPECTROSCOPY</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkE9LAzEQxYMoWKsHv8GCJw9bJ3822T1Kqa1Q8NJ7mE2zNmW7WZMU1E9vSguehpn58d7jEfJIYUZB8hc6E7VqRCWvyISCUiWntL4mEwDgpWwqekvuYtzntWKcT8hqMbqE3w77IiZsXe9-MTk_FL4rjn0KWKSdG4rO9Yd4utnemhTyf-tHuy0OOHzi4JKN9-Smwz7ah8ucks3bYjNfleuP5fv8dV0aVlep5IJi2wnDlK0UR8Y4Uy0TWy6hZVXTMcqo4AgtVlALBRIsoDWCWomdUnxKns6yPiano8nWZmf8MORYOqsB0Kb-p8bgv442Jr33xzDkXDobKCkFrWWmns-UCT7GYDs9BnfA8KMp6FObmupLm_wPRI5k0Q</recordid><startdate>20140519</startdate><enddate>20140519</enddate><creator>Middey, S.</creator><creator>Kareev, M.</creator><creator>Meyers, D.</creator><creator>Liu, X.</creator><creator>Cao, Y.</creator><creator>Tripathi, S.</creator><creator>Yazici, D.</creator><creator>Maple, M. B.</creator><creator>Ryan, P. J.</creator><creator>Freeland, J. W.</creator><creator>Chakhalian, J.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20140519</creationdate><title>Epitaxial stabilization of ultra thin films of electron doped manganites</title><author>Middey, S. ; Kareev, M. ; Meyers, D. ; Liu, X. ; Cao, Y. ; Tripathi, S. ; Yazici, D. ; Maple, M. B. ; Ryan, P. J. ; Freeland, J. 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B.</creatorcontrib><creatorcontrib>Ryan, P. J.</creatorcontrib><creatorcontrib>Freeland, J. W.</creatorcontrib><creatorcontrib>Chakhalian, J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Middey, S.</au><au>Kareev, M.</au><au>Meyers, D.</au><au>Liu, X.</au><au>Cao, Y.</au><au>Tripathi, S.</au><au>Yazici, D.</au><au>Maple, M. B.</au><au>Ryan, P. J.</au><au>Freeland, J. W.</au><au>Chakhalian, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Epitaxial stabilization of ultra thin films of electron doped manganites</atitle><jtitle>Applied physics letters</jtitle><date>2014-05-19</date><risdate>2014</risdate><volume>104</volume><issue>20</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Ultra-thin films of the electron doped manganite La0.8Ce0.2MnO3 were grown in a layer-by-layer growth mode on SrTiO3 (001) substrates by pulsed laser interval deposition. High structural quality and surface morphology were confirmed by a combination of synchrotron based x-ray diffraction and atomic force microscopy. Resonant X-ray absorption spectroscopy measurements confirm the presence of Ce4+ and Mn2+ ions. In addition, the electron doping signature was corroborated by Hall effect measurements. All grown films show a ferromagnetic ground state as revealed by both dc magnetization and x-ray magnetic circular dichroism measurements and remain insulating contrary to earlier reports of a metal-insulator transition. Our results hint at the possibility of electron-hole asymmetry in the colossal magnetoresistive manganite phase diagram akin to the high-Tc cuprates.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4879456</doi></addata></record> |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | ABSORPTION SPECTROSCOPY Applied physics ASYMMETRY ATOMIC FORCE MICROSCOPY CERIUM COMPOUNDS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Cuprates Dichroism DOPED MATERIALS Electrons EPITAXY Ferromagnetic materials GROUND STATES HALL EFFECT Holes (electron deficiencies) Insulators LANTHANUM COMPOUNDS LAYERS MAGNETIC CIRCULAR DICHROISM MAGNETIZATION MAGNETORESISTANCE Magnetoresistivity MANGANATES Manganese ions Manganites Metal-insulator transition Morphology PHASE DIAGRAMS Pulsed lasers STRONTIUM TITANATES SUBSTRATES THIN FILMS X ray absorption X ray spectra X-RAY DIFFRACTION X-RAY SPECTROSCOPY |
| title | Epitaxial stabilization of ultra thin films of electron doped manganites |
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