Dispersion of multiferroic BiFeO3 nanoparticles in nematic liquid crystals
Dispersion of ferroelectric- and ferromagnetic nanoparticles in liquid crystals (LCs) is investigated in the last decades. Recently, doping multiferroic-BiFeO 3 nanoparticles in the LCs has become of interest. These nanoparticles have coupled ferroelectric- and ferromagnetic properties at ambient te...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2019-12, Vol.125 (12), p.1-6, Article 877 |
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| creator | Jahanbakhsh, F. Poursamad, J. B. Ara, M. H. Majles Lorenz, A. Khoshsima, H. Darabi, M. |
| description | Dispersion of ferroelectric- and ferromagnetic nanoparticles in liquid crystals (LCs) is investigated in the last decades. Recently, doping multiferroic-BiFeO
3
nanoparticles in the LCs has become of interest. These nanoparticles have coupled ferroelectric- and ferromagnetic properties at ambient temperature. In the present experiments, a nematic LC was doped with a low concentration of BiFeO
3
nanoparticles, synthesized using a modified Pechini method. The particles were characterized and their dispersions in heptane with an added surfactant were used for doping of the LC. The measured dielectric constants in the doped LCs varied as compared to the pure LC. It was shown that the presence of a magnetic field in the cooling process (cooling down from isotropic to anisotropic phase) of the LC cells leads to a significant increase of dielectric anisotropy. Also, the transition temperature decreased in the nematic-isotropic transition temperature for the doped sample. |
| doi_str_mv | 10.1007/s00339-019-3153-0 |
| format | Article |
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3
nanoparticles in the LCs has become of interest. These nanoparticles have coupled ferroelectric- and ferromagnetic properties at ambient temperature. In the present experiments, a nematic LC was doped with a low concentration of BiFeO
3
nanoparticles, synthesized using a modified Pechini method. The particles were characterized and their dispersions in heptane with an added surfactant were used for doping of the LC. The measured dielectric constants in the doped LCs varied as compared to the pure LC. It was shown that the presence of a magnetic field in the cooling process (cooling down from isotropic to anisotropic phase) of the LC cells leads to a significant increase of dielectric anisotropy. Also, the transition temperature decreased in the nematic-isotropic transition temperature for the doped sample.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-019-3153-0</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Ambient temperature ; Anisotropy ; Applied physics ; Bismuth ferrite ; Characterization and Evaluation of Materials ; Condensed Matter Physics ; Cooling ; Doping ; Ferroelectric materials ; Ferroelectricity ; Ferromagnetism ; Heptanes ; Liquid crystals ; Machines ; Manufacturing ; Materials science ; Multiferroic materials ; Nanoparticles ; Nanotechnology ; Nematic crystals ; Optical and Electronic Materials ; Physics ; Physics and Astronomy ; Processes ; Surfaces and Interfaces ; Thin Films ; Transition temperature</subject><ispartof>Applied physics. A, Materials science & processing, 2019-12, Vol.125 (12), p.1-6, Article 877</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-94780897c654aa00450255d2123094d25cf13ee374edff71221896577ac7fe7e3</citedby><cites>FETCH-LOGICAL-c316t-94780897c654aa00450255d2123094d25cf13ee374edff71221896577ac7fe7e3</cites><orcidid>0000-0002-9631-5167</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00339-019-3153-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-019-3153-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Jahanbakhsh, F.</creatorcontrib><creatorcontrib>Poursamad, J. B.</creatorcontrib><creatorcontrib>Ara, M. H. Majles</creatorcontrib><creatorcontrib>Lorenz, A.</creatorcontrib><creatorcontrib>Khoshsima, H.</creatorcontrib><creatorcontrib>Darabi, M.</creatorcontrib><title>Dispersion of multiferroic BiFeO3 nanoparticles in nematic liquid crystals</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>Dispersion of ferroelectric- and ferromagnetic nanoparticles in liquid crystals (LCs) is investigated in the last decades. Recently, doping multiferroic-BiFeO
3
nanoparticles in the LCs has become of interest. These nanoparticles have coupled ferroelectric- and ferromagnetic properties at ambient temperature. In the present experiments, a nematic LC was doped with a low concentration of BiFeO
3
nanoparticles, synthesized using a modified Pechini method. The particles were characterized and their dispersions in heptane with an added surfactant were used for doping of the LC. The measured dielectric constants in the doped LCs varied as compared to the pure LC. It was shown that the presence of a magnetic field in the cooling process (cooling down from isotropic to anisotropic phase) of the LC cells leads to a significant increase of dielectric anisotropy. Also, the transition temperature decreased in the nematic-isotropic transition temperature for the doped sample.</description><subject>Ambient temperature</subject><subject>Anisotropy</subject><subject>Applied physics</subject><subject>Bismuth ferrite</subject><subject>Characterization and Evaluation of Materials</subject><subject>Condensed Matter Physics</subject><subject>Cooling</subject><subject>Doping</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Ferromagnetism</subject><subject>Heptanes</subject><subject>Liquid crystals</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials science</subject><subject>Multiferroic materials</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Nematic crystals</subject><subject>Optical and Electronic Materials</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Processes</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><subject>Transition temperature</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LAzEQxYMoWKsfwFvAc3SSbDabo1brHwq96DmEbCIp28022T3025uygifn8hh4b-bxQ-iWwj0FkA8ZgHNFgCrCqeAEztCCVpwRqDmcowWoSpKGq_oSXeW8gzIVYwv08Rzy4FIOscfR4_3UjcG7lGKw-Cms3Zbj3vRxMGkMtnMZhx73bm_KhrtwmEKLbTrm0XT5Gl34Iu7mV5foa_3yuXojm-3r--pxQyyn9UhKkQYaJW0tKmNKDQFMiJZRxkvJlgnrKXeOy8q13kvKGG1ULaQ0VnonHV-iu_nukOJhcnnUuzilvrzUjFMlOAVFi4vOLptizsl5PaSwN-moKegTMj0j0wWZPiHTUDJszuTi7b9d-rv8f-gHGg9tIw</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Jahanbakhsh, F.</creator><creator>Poursamad, J. 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B.</creatorcontrib><creatorcontrib>Ara, M. H. Majles</creatorcontrib><creatorcontrib>Lorenz, A.</creatorcontrib><creatorcontrib>Khoshsima, H.</creatorcontrib><creatorcontrib>Darabi, M.</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jahanbakhsh, F.</au><au>Poursamad, J. B.</au><au>Ara, M. H. Majles</au><au>Lorenz, A.</au><au>Khoshsima, H.</au><au>Darabi, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dispersion of multiferroic BiFeO3 nanoparticles in nematic liquid crystals</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2019-12-01</date><risdate>2019</risdate><volume>125</volume><issue>12</issue><spage>1</spage><epage>6</epage><pages>1-6</pages><artnum>877</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>Dispersion of ferroelectric- and ferromagnetic nanoparticles in liquid crystals (LCs) is investigated in the last decades. Recently, doping multiferroic-BiFeO
3
nanoparticles in the LCs has become of interest. These nanoparticles have coupled ferroelectric- and ferromagnetic properties at ambient temperature. In the present experiments, a nematic LC was doped with a low concentration of BiFeO
3
nanoparticles, synthesized using a modified Pechini method. The particles were characterized and their dispersions in heptane with an added surfactant were used for doping of the LC. The measured dielectric constants in the doped LCs varied as compared to the pure LC. It was shown that the presence of a magnetic field in the cooling process (cooling down from isotropic to anisotropic phase) of the LC cells leads to a significant increase of dielectric anisotropy. Also, the transition temperature decreased in the nematic-isotropic transition temperature for the doped sample.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-019-3153-0</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-9631-5167</orcidid></addata></record> |
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| subjects | Ambient temperature Anisotropy Applied physics Bismuth ferrite Characterization and Evaluation of Materials Condensed Matter Physics Cooling Doping Ferroelectric materials Ferroelectricity Ferromagnetism Heptanes Liquid crystals Machines Manufacturing Materials science Multiferroic materials Nanoparticles Nanotechnology Nematic crystals Optical and Electronic Materials Physics Physics and Astronomy Processes Surfaces and Interfaces Thin Films Transition temperature |
| title | Dispersion of multiferroic BiFeO3 nanoparticles in nematic liquid crystals |
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