Manifestation of phase transformations in optical spectra of Na0.5Bi0.5TiO3 crystals between 25Â°C and 350Â°C

Bohdan Andriyevskya* Jan Suchaniczb Christoph Cobetc Aleksy Patryna Norbert Esserc amp; Boguslaw Kosturekd

首页> 外文期刊>Phase Transitions, A Multinational Journal >Manifestation of phase transformations in optical spectra of Na_0.5Bi_0.5TiO₃ crystals between 25Â°C and 350Â°C

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Manifestation of phase transformations in optical spectra of Na_0.5Bi_0.5TiO₃ crystals between 25Â°C and 350Â°C

机译：Na _{0.5 Bi _{0.5 TiO _{3 晶体在25°C至350°C之间的光谱中表现出相变}}}

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The pseudo dielectric function Îµ (E) = Îµ ₁ (E) + iÎµ ₂ (E) of sodium bismuth titanate Na_0.5Bi_0.5TiO₃, has been obtained in the spectral range of electronic excitations (2-9.5 eV) by spectroscopic ellipsometry using the synchrotron radiation source BESSY II. The spectrum contains a broad absorption band at 4.2-4.5 eV. The temperature dependence in the range of 25-350Â°C is presented by the related susceptibilities Ï ₁ (T) and Ï ₂ (T) at 5 eV. A clear peculiarity in the temperature behavior of Ï ₁ (T) and Ï ₂ (T) between 180 and 320Â°C has been revealed and discussed. In this range an extremum-like temperature dependence of intensity of the light reflected from the sample surface, has been revealed and can be explained by the diffraction of light on the grid of the elastic domain structure of the sample.View full textDownload full textKeywordsferroelectrics, Na0.5Bi0.5TiO3 crystals, electronic excitations, dielectric functionsRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/01411590903092899

机译：钛酸铋钠Na _{0.5 Bi 1 （E）+iμ_{2 （E）使用同步辐射源BESSY II，通过椭圆偏振光谱法在电子激发的光谱范围（2-9.5 eV）中获得了> 0.5 TiO _{3 。光谱在4.2-4.5 eV处具有较宽的吸收带。在5 eV时，相关磁化率Ï‡_{1 （T）和Ï‡_{2 （T）表示25-350°C范围内的温度依赖性。已经揭示并讨论了Ï‡_{1 （T）和Ï‡_{2 （T）在180至320°C之间的温度行为的明显特征。在此范围内，已经揭示了从样品表面反射的光的强度的极值状温度依赖性，并且可以通过光在样品弹性域结构的网格上的衍射来解释。查看全文下载全文关键字Na0.5Bi0.5TiO3晶体，电子激发，介电功能相关的var addthis_config = {ui_cobrand：“泰勒和弗朗西斯在线”，service_compact：“ citeulike，netvibes，twitter，technorati，delicious，linkedin，facebook，stumbleupon，digg，google，更多” ，pubid：“ ra-4dff56cd6bb1830b”};添加到候选列表链接永久链接http://dx.doi.org/10.1080/01411590903092899}}}}}}}

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《Phase Transitions, A Multinational Journal》 |2009年第8期|p.567-575|共9页
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Bohdan Andriyevskya* Jan Suchaniczb Christoph Cobetc Aleksy Patryna Norbert Esserc amp; Boguslaw Kosturekd;
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1. Manifestation of phase transformations in optical spectra of Na0.5Bi0.5TiO3 crystals between 25 degrees C and 350 degrees C [J] . Andriyevsky B, Suchanicz J, Cobet C, Phase Transitions . 2009,第8期

机译：Na0.5Bi0.5TiO3晶体在25摄氏度至350摄氏度之间的光谱中表现出相变
2. Large strains accompanying field-induced ergodic phase-polar ordered phase transformations in Bi(Mg_(0.5)Ti_(0.5))O_3-PbTiO_3-(Bi_(0.5)Na_(0.5))TiO_3 ternary system [J] . Wanli Zhao, Ruzhong Zuo, Jian Fu Journal of the European Ceramic Society . 2014,第10期

机译：Bi（Mg_（0.5）Ti_（0.5））O_3-PbTiO_3-（Bi_（0.5）Na_（0.5））TiO_3三元系中伴随场致遍历遍历-极性有序相变的大应变
3. Effect of Crystallographic Texture on the Field-Induced-Phase Transformation Behavior of Bi 0.5Na 0.5TiO 3?7BaTiO 3?2K 0.5 Na 0.5NbO 3 [J] . Chris M. Fancher, Thanakorn Iamsasri, John E. Blendell, Materials Research Letters . 2013,第3期

机译：晶体织构对Bi 0.5Na 0.5TiO 3？7BaTiO 3？2K 0.5 Na 0.5NbO 3场致相变行为的影响
4. Ferroelectric ceramics in the Na/sub 0.5/Bi/sub 0.5/TiO/sub 3/-K/sub 0.5/Bi/sub 0.5/TiO/sub 3/, Na/sub 0.5/Bi/sub 0.5/TiO/sub 3/-PbTiO/sub 3/ and K/sub 0.5/Bi/sub 0.5/TiO/sub 3/-PbTiO/sub 3/ systems [C] . Elkechai, O., Mercurio, . 1994

机译：Na / sub 0.5 / Bi / sub 0.5 / TiO / sub 3 / -K / sub 0.5 / Bi / sub 0.5 / TiO / sub 3 /，Na / sub 0.5 / Bi / sub 0.5 / TiO / sub 3中的铁电陶瓷/ -PbTiO / sub 3 /和K / sub 0.5 / Bi / sub 0.5 / TiO / sub 3 / -PbTiO / sub 3 /体系
5. Phase Switching Behaviour in Lead-Free Na0.5Bi 0.5TiO3-Based Ceramics [D] . Wang, Ge. 2017

机译：无铅Na0.5bi 0.5tio3陶瓷中的相位切换行为
6. Analyses of Electric Field-Induced Phase Transformation by Luminescence Study in Eu3+-doped (Na K)0.5Bi0.5TiO3 Ceramics [O] . Liang Zeng, Ji Zhou 2020

机译：Eu3 +掺杂（NaK）0.5Bi0.5TiO3陶瓷的发光致电场相变分析
7. Thermally-induced phase transformations in Na0.5Bi0.5TiO3-KNbO3 ceramics [O] . Wang, Ge, Li, Yizhe, Murray, Claire, 2018

机译：Na0.5Bi0.5TiO3-KNbO3陶瓷的热致相变

Manifestation of phase transformations in optical spectra of Na0.5Bi0.5TiO3 crystals between 25Â°C and 350Â°C

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Manifestation of phase transformations in optical spectra of Na_0.5Bi_0.5TiO₃ crystals between 25Â°C and 350Â°C