Evolution of crystal structure and ferroic properties of La-doped BiFeO3 ceramics near the rhombohedral-orthorhombic phase boundary
► Phase diagram as a function of La concentration and temperature has been specified. ► Dominant role of the orthorhombic phase in remanent magnetization is revealed. ► Maximal piezoelectric response is specific to metastable rhombohedral phase. ► Increased piezoelectric signal is explained by intri...
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| Veröffentlicht in: | Journal of alloys and compounds 2013-04, Vol.555, p.101-107 |
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| container_title | Journal of alloys and compounds |
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| creator | Karpinsky, D.V. Troyanchuk, I.O. Tovar, M. Sikolenko, V. Efimov, V. Kholkin, A.L. |
| description | ► Phase diagram as a function of La concentration and temperature has been specified. ► Dominant role of the orthorhombic phase in remanent magnetization is revealed. ► Maximal piezoelectric response is specific to metastable rhombohedral phase. ► Increased piezoelectric signal is explained by intrinsic and extrinsic contributions.
Bi1−xLaxFeO3 ceramics (0.15⩽x⩽0.2) across the rhombohedral-orthorhombic phase boundary have been studied using X-ray and neutron diffraction, magnetization measurements and piezoresponse force microscopy (PFM). The regions of structural stability of the polar, anti-polar and non-polar phases have been identified depending on the dopant concentration and a temperature and the structural phase diagram has been further clarified. The factors influencing phase transitions (size effects, chemical bonds peculiarities, local chemical inhomogeneities, etc.) have been estimated. PFM measurements testified a maximal piezoelectric response for a compound with the dominant rhombohedral phase in a metastable state. Magnetic properties have been discussed assuming weak ferromagnetic state with a major contribution from the orthorhombic phase. An evolution of structural parameters across the phase boundary decisive for improved ferroelectric and magnetic properties has been analyzed. |
| doi_str_mv | 10.1016/j.jallcom.2012.12.055 |
| format | Article |
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Bi1−xLaxFeO3 ceramics (0.15⩽x⩽0.2) across the rhombohedral-orthorhombic phase boundary have been studied using X-ray and neutron diffraction, magnetization measurements and piezoresponse force microscopy (PFM). The regions of structural stability of the polar, anti-polar and non-polar phases have been identified depending on the dopant concentration and a temperature and the structural phase diagram has been further clarified. The factors influencing phase transitions (size effects, chemical bonds peculiarities, local chemical inhomogeneities, etc.) have been estimated. PFM measurements testified a maximal piezoelectric response for a compound with the dominant rhombohedral phase in a metastable state. Magnetic properties have been discussed assuming weak ferromagnetic state with a major contribution from the orthorhombic phase. An evolution of structural parameters across the phase boundary decisive for improved ferroelectric and magnetic properties has been analyzed.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2012.12.055</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloys ; Ceramics ; Evolution ; Ferroelectrics ; Ferromagnetism ; Magentization ; Magnetic properties ; Magnetization ; Neutron diffraction ; Phase boundaries ; Phase diagram ; Phase transitions</subject><ispartof>Journal of alloys and compounds, 2013-04, Vol.555, p.101-107</ispartof><rights>2012 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-93d28671e0098cb66ad11f43b9b775d128d3aac8160fc64f48829837f0e3d3083</citedby><cites>FETCH-LOGICAL-c464t-93d28671e0098cb66ad11f43b9b775d128d3aac8160fc64f48829837f0e3d3083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2012.12.055$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27113153$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Karpinsky, D.V.</creatorcontrib><creatorcontrib>Troyanchuk, I.O.</creatorcontrib><creatorcontrib>Tovar, M.</creatorcontrib><creatorcontrib>Sikolenko, V.</creatorcontrib><creatorcontrib>Efimov, V.</creatorcontrib><creatorcontrib>Kholkin, A.L.</creatorcontrib><title>Evolution of crystal structure and ferroic properties of La-doped BiFeO3 ceramics near the rhombohedral-orthorhombic phase boundary</title><title>Journal of alloys and compounds</title><description>► Phase diagram as a function of La concentration and temperature has been specified. ► Dominant role of the orthorhombic phase in remanent magnetization is revealed. ► Maximal piezoelectric response is specific to metastable rhombohedral phase. ► Increased piezoelectric signal is explained by intrinsic and extrinsic contributions.
Bi1−xLaxFeO3 ceramics (0.15⩽x⩽0.2) across the rhombohedral-orthorhombic phase boundary have been studied using X-ray and neutron diffraction, magnetization measurements and piezoresponse force microscopy (PFM). The regions of structural stability of the polar, anti-polar and non-polar phases have been identified depending on the dopant concentration and a temperature and the structural phase diagram has been further clarified. The factors influencing phase transitions (size effects, chemical bonds peculiarities, local chemical inhomogeneities, etc.) have been estimated. PFM measurements testified a maximal piezoelectric response for a compound with the dominant rhombohedral phase in a metastable state. Magnetic properties have been discussed assuming weak ferromagnetic state with a major contribution from the orthorhombic phase. An evolution of structural parameters across the phase boundary decisive for improved ferroelectric and magnetic properties has been analyzed.</description><subject>Alloys</subject><subject>Ceramics</subject><subject>Evolution</subject><subject>Ferroelectrics</subject><subject>Ferromagnetism</subject><subject>Magentization</subject><subject>Magnetic properties</subject><subject>Magnetization</subject><subject>Neutron diffraction</subject><subject>Phase boundaries</subject><subject>Phase diagram</subject><subject>Phase transitions</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFUMFq3DAQFaWBbtN-QkGXQi_eaixblk-lDUlaWMilOQtZGmMttrUdyYGc--Oxs0uvhQfDDO-9mXmMfQKxBwHq63F_tOPo4rQvBZT7FaKu37Ad6EYWlVLtW7YTbVkXWmr9jr1P6SiEgFbCjv29fYrjkkOceey5o-eU7chTpsXlhZDb2fMeiWJw_ETxhJQDpo17sIVfe89_hDt8kNwh2Sm4xGe0xPOAnIY4dXFAT3YsIuUhvk42p8Em5F1cZm_p-QO76u2Y8OOlXrPHu9vfNz-Lw8P9r5vvh8JVqspFK32pVQMoRKtdp5T1AH0lu7ZrmtpDqb201mlQoneq6iuty1bLphcovRRaXrMvZ9_1kT8LpmymkByOo50xLsmAVDVAU2u5Uusz1VFMibA3JwrTeqsBYbbQzdFcQjdb6GbFGvqq-3xZYZOzY092diH9E5cNgIR68_925uH671NAMskFnB36QOiy8TH8Z9MLp_qcXg</recordid><startdate>20130405</startdate><enddate>20130405</enddate><creator>Karpinsky, D.V.</creator><creator>Troyanchuk, I.O.</creator><creator>Tovar, M.</creator><creator>Sikolenko, V.</creator><creator>Efimov, V.</creator><creator>Kholkin, A.L.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20130405</creationdate><title>Evolution of crystal structure and ferroic properties of La-doped BiFeO3 ceramics near the rhombohedral-orthorhombic phase boundary</title><author>Karpinsky, D.V. ; Troyanchuk, I.O. ; Tovar, M. ; Sikolenko, V. ; Efimov, V. ; Kholkin, A.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-93d28671e0098cb66ad11f43b9b775d128d3aac8160fc64f48829837f0e3d3083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Alloys</topic><topic>Ceramics</topic><topic>Evolution</topic><topic>Ferroelectrics</topic><topic>Ferromagnetism</topic><topic>Magentization</topic><topic>Magnetic properties</topic><topic>Magnetization</topic><topic>Neutron diffraction</topic><topic>Phase boundaries</topic><topic>Phase diagram</topic><topic>Phase transitions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karpinsky, D.V.</creatorcontrib><creatorcontrib>Troyanchuk, I.O.</creatorcontrib><creatorcontrib>Tovar, M.</creatorcontrib><creatorcontrib>Sikolenko, V.</creatorcontrib><creatorcontrib>Efimov, V.</creatorcontrib><creatorcontrib>Kholkin, A.L.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Karpinsky, D.V.</au><au>Troyanchuk, I.O.</au><au>Tovar, M.</au><au>Sikolenko, V.</au><au>Efimov, V.</au><au>Kholkin, A.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evolution of crystal structure and ferroic properties of La-doped BiFeO3 ceramics near the rhombohedral-orthorhombic phase boundary</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2013-04-05</date><risdate>2013</risdate><volume>555</volume><spage>101</spage><epage>107</epage><pages>101-107</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>► Phase diagram as a function of La concentration and temperature has been specified. ► Dominant role of the orthorhombic phase in remanent magnetization is revealed. ► Maximal piezoelectric response is specific to metastable rhombohedral phase. ► Increased piezoelectric signal is explained by intrinsic and extrinsic contributions.
Bi1−xLaxFeO3 ceramics (0.15⩽x⩽0.2) across the rhombohedral-orthorhombic phase boundary have been studied using X-ray and neutron diffraction, magnetization measurements and piezoresponse force microscopy (PFM). The regions of structural stability of the polar, anti-polar and non-polar phases have been identified depending on the dopant concentration and a temperature and the structural phase diagram has been further clarified. The factors influencing phase transitions (size effects, chemical bonds peculiarities, local chemical inhomogeneities, etc.) have been estimated. PFM measurements testified a maximal piezoelectric response for a compound with the dominant rhombohedral phase in a metastable state. Magnetic properties have been discussed assuming weak ferromagnetic state with a major contribution from the orthorhombic phase. An evolution of structural parameters across the phase boundary decisive for improved ferroelectric and magnetic properties has been analyzed.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2012.12.055</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Alloys Ceramics Evolution Ferroelectrics Ferromagnetism Magentization Magnetic properties Magnetization Neutron diffraction Phase boundaries Phase diagram Phase transitions |
| title | Evolution of crystal structure and ferroic properties of La-doped BiFeO3 ceramics near the rhombohedral-orthorhombic phase boundary |
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