Role of the defect in determining the properties of PbTi0.9Ni0.1O3 thin films
PbTiO3 with oxygen-vacancy-stabilized d 8 ion substitution has attracted significant attention as a promising photo-ferroelectric material, but less effort to understand the effect of defect structures on its macroscopic properties limits further modification of the functionality via defect engineer...
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| Veröffentlicht in: | Journal of applied physics 2017-11, Vol.122 (19) |
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| container_title | Journal of applied physics |
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| creator | Luo, Bingcheng |
| description | PbTiO3 with oxygen-vacancy-stabilized d
8 ion substitution has attracted significant attention as a promising photo-ferroelectric material, but less effort to understand the effect of defect structures on its macroscopic properties limits further modification of the functionality via defect engineering. Herein, a comparable investigation of highly-(111) oriented PbTiO3 (PTO) and PbTi0.9Ni0.1O3 (PTN) thin films is reported to realize the critical role of defect structures on the evolution of electrical and photovoltaic properties. It is found that the PTO thin film shows the space-charge-limited-current mechanism, while the PTN thin film obeys the Poole–Frenkel emission mechanism. Also, the dielectric abnormal peak emerges in the PTN thin film. Notably, the ferroelectric polarization still keeps a large value but the band gap is lowered, and thus a significant increment of photovoltaic properties is achieved in the PTN thin film. These experimental results can be well explained if the formation of dopant-vacancy complexes is taken into account. |
| doi_str_mv | 10.1063/1.5000921 |
| format | Article |
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8 ion substitution has attracted significant attention as a promising photo-ferroelectric material, but less effort to understand the effect of defect structures on its macroscopic properties limits further modification of the functionality via defect engineering. Herein, a comparable investigation of highly-(111) oriented PbTiO3 (PTO) and PbTi0.9Ni0.1O3 (PTN) thin films is reported to realize the critical role of defect structures on the evolution of electrical and photovoltaic properties. It is found that the PTO thin film shows the space-charge-limited-current mechanism, while the PTN thin film obeys the Poole–Frenkel emission mechanism. Also, the dielectric abnormal peak emerges in the PTN thin film. Notably, the ferroelectric polarization still keeps a large value but the band gap is lowered, and thus a significant increment of photovoltaic properties is achieved in the PTN thin film. These experimental results can be well explained if the formation of dopant-vacancy complexes is taken into account.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.5000921</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Defects ; Ferroelectric materials ; Ferroelectricity ; Lead titanates ; Photovoltaic cells ; Properties (attributes) ; Thin films ; Vacancies</subject><ispartof>Journal of applied physics, 2017-11, Vol.122 (19)</ispartof><rights>Author(s)</rights><rights>2017 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c327t-5518f90411319c56f78cf5f131c5171c5fbad41debc9f97455ec7e396bcabccb3</citedby><cites>FETCH-LOGICAL-c327t-5518f90411319c56f78cf5f131c5171c5fbad41debc9f97455ec7e396bcabccb3</cites><orcidid>0000-0001-8615-3849</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.5000921$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,784,794,4512,27924,27925,76384</link.rule.ids></links><search><creatorcontrib>Luo, Bingcheng</creatorcontrib><title>Role of the defect in determining the properties of PbTi0.9Ni0.1O3 thin films</title><title>Journal of applied physics</title><description>PbTiO3 with oxygen-vacancy-stabilized d
8 ion substitution has attracted significant attention as a promising photo-ferroelectric material, but less effort to understand the effect of defect structures on its macroscopic properties limits further modification of the functionality via defect engineering. Herein, a comparable investigation of highly-(111) oriented PbTiO3 (PTO) and PbTi0.9Ni0.1O3 (PTN) thin films is reported to realize the critical role of defect structures on the evolution of electrical and photovoltaic properties. It is found that the PTO thin film shows the space-charge-limited-current mechanism, while the PTN thin film obeys the Poole–Frenkel emission mechanism. Also, the dielectric abnormal peak emerges in the PTN thin film. Notably, the ferroelectric polarization still keeps a large value but the band gap is lowered, and thus a significant increment of photovoltaic properties is achieved in the PTN thin film. These experimental results can be well explained if the formation of dopant-vacancy complexes is taken into account.</description><subject>Applied physics</subject><subject>Defects</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Lead titanates</subject><subject>Photovoltaic cells</subject><subject>Properties (attributes)</subject><subject>Thin films</subject><subject>Vacancies</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqdkE1LAzEQhoMoWKsH_8GCJ4WtM5tmszlK8QuqFannsJtNNGW7WZNU8N-b2oJ3L-_MMM988BJyjjBBKOk1ThgAiAIPyAihEjlnDA7JCKDAvBJcHJOTEFYAiBUVI_L06jqdOZPFD5212mgVM9unLGq_tr3t3387g3eD9tHqsGVfmqWFiXhOgguagDRhbLcOp-TI1F3QZ_s4Jm93t8vZQz5f3D_Obua5ogWPOWNYGQFTRIpCsdLwShlmUqUY8iSmqdsptrpRwgg-ZUwrrqkoG1U3SjV0TC52e9Nfnxsdoly5je_TSVkglsBoVRSJutxRyrsQvDZy8HZd-2-JILduSZR7txJ7tWODsrGO1vX_g7-c_wPl0Br6A4TVdjY</recordid><startdate>20171121</startdate><enddate>20171121</enddate><creator>Luo, Bingcheng</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-8615-3849</orcidid></search><sort><creationdate>20171121</creationdate><title>Role of the defect in determining the properties of PbTi0.9Ni0.1O3 thin films</title><author>Luo, Bingcheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-5518f90411319c56f78cf5f131c5171c5fbad41debc9f97455ec7e396bcabccb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Applied physics</topic><topic>Defects</topic><topic>Ferroelectric materials</topic><topic>Ferroelectricity</topic><topic>Lead titanates</topic><topic>Photovoltaic cells</topic><topic>Properties (attributes)</topic><topic>Thin films</topic><topic>Vacancies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luo, Bingcheng</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Luo, Bingcheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of the defect in determining the properties of PbTi0.9Ni0.1O3 thin films</atitle><jtitle>Journal of applied physics</jtitle><date>2017-11-21</date><risdate>2017</risdate><volume>122</volume><issue>19</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>PbTiO3 with oxygen-vacancy-stabilized d
8 ion substitution has attracted significant attention as a promising photo-ferroelectric material, but less effort to understand the effect of defect structures on its macroscopic properties limits further modification of the functionality via defect engineering. Herein, a comparable investigation of highly-(111) oriented PbTiO3 (PTO) and PbTi0.9Ni0.1O3 (PTN) thin films is reported to realize the critical role of defect structures on the evolution of electrical and photovoltaic properties. It is found that the PTO thin film shows the space-charge-limited-current mechanism, while the PTN thin film obeys the Poole–Frenkel emission mechanism. Also, the dielectric abnormal peak emerges in the PTN thin film. Notably, the ferroelectric polarization still keeps a large value but the band gap is lowered, and thus a significant increment of photovoltaic properties is achieved in the PTN thin film. These experimental results can be well explained if the formation of dopant-vacancy complexes is taken into account.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5000921</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8615-3849</orcidid></addata></record> |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Defects Ferroelectric materials Ferroelectricity Lead titanates Photovoltaic cells Properties (attributes) Thin films Vacancies |
| title | Role of the defect in determining the properties of PbTi0.9Ni0.1O3 thin films |
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