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Large frequency dependence of lowered maximum dielectric constant temperature of LiTaO3 nanocrystals dispersed in mesoporous silicate
http://hdl.handle.net/10228/536
http://hdl.handle.net/10228/536c5e71cc7-010e-4677-8b7b-7158356b5c94
名前 / ファイル | ライセンス | アクション |
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38.pdf (91.3 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||||||
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公開日 | 2007-12-20 | |||||||||||||||||
資源タイプ | ||||||||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||
資源タイプ | journal article | |||||||||||||||||
タイトル | ||||||||||||||||||
言語 | en | |||||||||||||||||
タイトル | Large frequency dependence of lowered maximum dielectric constant temperature of LiTaO3 nanocrystals dispersed in mesoporous silicate | |||||||||||||||||
言語 | ||||||||||||||||||
言語 | eng | |||||||||||||||||
著者 |
古曵, 重美
× 古曵, 重美× Nogami, Shinichiro× Kawakami, Shintaro× Takada, Syozo× 下岡, 弘和
WEKO
1489
× 出口, 博之
WEKO
1115
× Mitome, Masanori× Oku, Masaoki |
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抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | A large frequency dependence of the maximum dielectric constant temperature was observed for LiTaO3 nanocrystals (the diameter 20 Å) dispersed in mesoporous silicate. At the applied field frequency of 100 kHz, the maximum temperatures in the real and imaginary parts were 365 and 345 °C, respectively. The maximum temperature in the real part is apparently lower than the paraelectric–ferroelectric transition temperature (645 °C) of bulk LiTaO3. The maximum temperature in the imaginary part rose from 285 to 420 °C with increasing frequency from 10 to 1000 kHz. Since the bulk LiTaO3 shows no relaxor behavior, such superparaelectric behavior is obviously a consequence of nanominiaturization of LiTaO3 crystal and insignificant cooperative interactions between the nanoparticles. | |||||||||||||||||
言語 | en | |||||||||||||||||
書誌情報 |
en : Applied Physics Letters 巻 82, 号 23, p. 4134-4136, 発行日 2003-06-09 |
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言語 | en | |||||||||||||||||
出版者 | American Institute of Physics | |||||||||||||||||
DOI | ||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||
関連識別子 | https://doi.org/10.1063/1.1580991 | |||||||||||||||||
CRID | ||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||
識別子タイプ | URI | |||||||||||||||||
関連識別子 | https://cir.nii.ac.jp/crid/1050001338909693568 | |||||||||||||||||
日本十進分類法 | ||||||||||||||||||
主題Scheme | NDC | |||||||||||||||||
主題 | 459 | |||||||||||||||||
NCID | ||||||||||||||||||
収録物識別子タイプ | NCID | |||||||||||||||||
収録物識別子 | AA00543431 | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | EISSN | |||||||||||||||||
収録物識別子 | 1077-3118 | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||||||
収録物識別子 | 0003-6951 | |||||||||||||||||
著作権関連情報 | ||||||||||||||||||
権利情報 | Copyright (c) 2003 American Institute of Physics | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | lithium compounds | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | nanostructured materials | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | permittivity | |||||||||||||||||
キーワード | ||||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | ferroelectric materials | |||||||||||||||||
出版タイプ | ||||||||||||||||||
出版タイプ | VoR | |||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||
査読の有無 | ||||||||||||||||||
値 | yes |