Study of relaxor behavior in KNN modified NBT-0.2ST ceramic
In this present work, we have studied the glassy and ferroelectric relaxor property of Pb-free 0.72Na0.5Bi0.5TiO3-0.2SrTiO3−0.08K0.5Na0.5NbO3 (0.72NBT-0.2ST-0.08KNN). The single phase 0.72NBT-0.2ST-0.08KNN sample is synthesized using the most conventional solid state reaction route with cubic symmet...
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| description | In this present work, we have studied the glassy and ferroelectric relaxor property of Pb-free 0.72Na0.5Bi0.5TiO3-0.2SrTiO3−0.08K0.5Na0.5NbO3 (0.72NBT-0.2ST-0.08KNN). The single phase 0.72NBT-0.2ST-0.08KNN sample is synthesized using the most conventional solid state reaction route with cubic symmetry. Different empirical formulas like modified Curie-Weiss law (modified CW law), Vogel-Fulcher law, Power law, Lorentz formula, and Cheng's relation are employed to analyze the relaxor characteristics properties further at both lower and higher temperature regions over a wide frequency range. The diffuseness coefficient (γ) t is evaluated from the modified CW law i.e. γ=1.94123 describing the relaxor nature of the material. The strong relaxor nature of the sample is also suggested from the frequency and temperature dependent dielectric curve. Moreover, high and low temperature studies provide a brief idea about the dynamics of small polar nano regions. |
| doi_str_mv | 10.1063/5.0125945 |
| format | Conference Proceeding |
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The single phase 0.72NBT-0.2ST-0.08KNN sample is synthesized using the most conventional solid state reaction route with cubic symmetry. Different empirical formulas like modified Curie-Weiss law (modified CW law), Vogel-Fulcher law, Power law, Lorentz formula, and Cheng's relation are employed to analyze the relaxor characteristics properties further at both lower and higher temperature regions over a wide frequency range. The diffuseness coefficient (γ) t is evaluated from the modified CW law i.e. γ=1.94123 describing the relaxor nature of the material. The strong relaxor nature of the sample is also suggested from the frequency and temperature dependent dielectric curve. Moreover, high and low temperature studies provide a brief idea about the dynamics of small polar nano regions.</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/5.0125945</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Curie-Weiss law ; Empirical analysis ; Ferroelectricity ; Frequency ranges ; Lead free ; Low temperature ; Relaxors ; Temperature dependence</subject><ispartof>AIP conference proceedings, 2023, Vol.2740 (1)</ispartof><rights>Author(s)</rights><rights>2023 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/acp/article-lookup/doi/10.1063/5.0125945$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,790,4498,23909,23910,25118,27901,27902,76126</link.rule.ids></links><search><contributor>Aranganayagam, K R</contributor><contributor>Sahu, Rojalin</contributor><creatorcontrib>Singha, A.</creatorcontrib><creatorcontrib>Praharaj, S.</creatorcontrib><creatorcontrib>Rout, D.</creatorcontrib><title>Study of relaxor behavior in KNN modified NBT-0.2ST ceramic</title><title>AIP conference proceedings</title><description>In this present work, we have studied the glassy and ferroelectric relaxor property of Pb-free 0.72Na0.5Bi0.5TiO3-0.2SrTiO3−0.08K0.5Na0.5NbO3 (0.72NBT-0.2ST-0.08KNN). The single phase 0.72NBT-0.2ST-0.08KNN sample is synthesized using the most conventional solid state reaction route with cubic symmetry. Different empirical formulas like modified Curie-Weiss law (modified CW law), Vogel-Fulcher law, Power law, Lorentz formula, and Cheng's relation are employed to analyze the relaxor characteristics properties further at both lower and higher temperature regions over a wide frequency range. The diffuseness coefficient (γ) t is evaluated from the modified CW law i.e. γ=1.94123 describing the relaxor nature of the material. The strong relaxor nature of the sample is also suggested from the frequency and temperature dependent dielectric curve. Moreover, high and low temperature studies provide a brief idea about the dynamics of small polar nano regions.</description><subject>Curie-Weiss law</subject><subject>Empirical analysis</subject><subject>Ferroelectricity</subject><subject>Frequency ranges</subject><subject>Lead free</subject><subject>Low temperature</subject><subject>Relaxors</subject><subject>Temperature dependence</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2023</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kM1LAzEQxYMoWD8O_gcBb8LWZLKzSfCkxS8s9dAK3kLMJpjSNmt2W-x_70oL3rzMDI_fvAePkAvOhpxV4hqHjAPqEg_IgCPyQla8OiQDxnRZQCnej8lJ284ZAy2lGpCbabeutzQFmv3CfqdMP_yn3cT-iCv6MpnQZapjiL6mk7tZwYYwnVHns11Gd0aOgl20_ny_T8nbw_1s9FSMXx-fR7fjogEmsFCgJLMqBMHBAXhVVlx5VYmgrUOO4FFqCf0QoHq5FE5L4VE7jUKjFafkcufb5PS19m1n5mmdV32kAamkBABe9tTVjmpd7GwX08o0OS5t3ppNygbNvhjT1OE_mDPz2-Tfg_gBLVxgcw</recordid><startdate>20230317</startdate><enddate>20230317</enddate><creator>Singha, A.</creator><creator>Praharaj, S.</creator><creator>Rout, D.</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20230317</creationdate><title>Study of relaxor behavior in KNN modified NBT-0.2ST ceramic</title><author>Singha, A. ; Praharaj, S. ; Rout, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2035-82870a8ff312c22e84618e863f9ac5152e5797257932886343c973e59c95395a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Curie-Weiss law</topic><topic>Empirical analysis</topic><topic>Ferroelectricity</topic><topic>Frequency ranges</topic><topic>Lead free</topic><topic>Low temperature</topic><topic>Relaxors</topic><topic>Temperature dependence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Singha, A.</creatorcontrib><creatorcontrib>Praharaj, S.</creatorcontrib><creatorcontrib>Rout, D.</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Singha, A.</au><au>Praharaj, S.</au><au>Rout, D.</au><au>Aranganayagam, K R</au><au>Sahu, Rojalin</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Study of relaxor behavior in KNN modified NBT-0.2ST ceramic</atitle><btitle>AIP conference proceedings</btitle><date>2023-03-17</date><risdate>2023</risdate><volume>2740</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>In this present work, we have studied the glassy and ferroelectric relaxor property of Pb-free 0.72Na0.5Bi0.5TiO3-0.2SrTiO3−0.08K0.5Na0.5NbO3 (0.72NBT-0.2ST-0.08KNN). The single phase 0.72NBT-0.2ST-0.08KNN sample is synthesized using the most conventional solid state reaction route with cubic symmetry. Different empirical formulas like modified Curie-Weiss law (modified CW law), Vogel-Fulcher law, Power law, Lorentz formula, and Cheng's relation are employed to analyze the relaxor characteristics properties further at both lower and higher temperature regions over a wide frequency range. The diffuseness coefficient (γ) t is evaluated from the modified CW law i.e. γ=1.94123 describing the relaxor nature of the material. The strong relaxor nature of the sample is also suggested from the frequency and temperature dependent dielectric curve. Moreover, high and low temperature studies provide a brief idea about the dynamics of small polar nano regions.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0125945</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | AIP Journals Complete |
| subjects | Curie-Weiss law Empirical analysis Ferroelectricity Frequency ranges Lead free Low temperature Relaxors Temperature dependence |
| title | Study of relaxor behavior in KNN modified NBT-0.2ST ceramic |
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