Dielectric spectroscopy of Nano BaTiO/sub 3/ confined in MCM-41 mesoporous molecular sieve materials

Kinka M.; Banys J.; Bohlmann W.; Bierwirth E.; Hartmann M.; Michel D.; Volkel G.; Poppl A.

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Dielectric spectroscopy of Nano BaTiO/sub 3/ confined in MCM-41 mesoporous molecular sieve materials

机译：限制在MCM-41介孔分子筛材料中的纳米BaTiO / sub 3 /的介电谱

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Dielectric properties of barium titanate (BaTiO3) particles, synthesized directly in the pores of MCM-41 materials, have been investigated in the frequency range from 20 Hz to 1 MHz for temperature intervals from 100 K to 500 K. The dielectric spectra of BaTiO3 confined in these molecular sieves were compared with the results obtained from the investigation of pure MCM-41 materials. Obtained results confirmed successful incorporation of BaTiO3 into porous matrix, but no phase transition from paraelectric to ferroelectric phase was observed due to the particle size being smaller than the critical size. Also, the overall dielectric response of investigated materials is strongly influenced by adsorbed water molecules

机译：直接在MCM-41材料的孔中合成的钛酸钡（BaTiO3）颗粒的介电性能已在20 Hz至1 MHz的频率范围内，温度范围为100 K至500 K的条件下进行了研究。将这些分子筛中的Mg与纯MCM-41材料的研究结果进行比较。获得的结果证实了成功地将BaTiO3掺入到多孔基质中，但是由于颗粒尺寸小于临界尺寸，因此未观察到从顺电相到铁电相的相变。而且，被研究材料的整体介电响应受吸附水分子的强烈影响

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2006年第12期|p.2305-2308|共4页
作者
Kinka M.; Banys J.; Bohlmann W.; Bierwirth E.; Hartmann M.; Michel D.; Volkel G.; Poppl A.;
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正文语种 eng
中图分类声学工程;计量学;
关键词
adsorption; barium compounds; mesoporous materials; molecular sieves; nanoparticles; permittivity; water; 100 to 500 K; 20 to 1E6 Hz; BaTiO3; H2O; MCM-41 mesoporous molecular sieve materials; adsorbed water molecules; barium titanate; dielectric;

机译：吸附;钡化合物;介孔材料;分子筛;纳米颗粒;介电常数;水;100-500 K;20-1E6 Hz;BaTiO3;H2O;MCM-41介孔分子筛材料;吸附的水分子;钛酸钡;介电;

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1. Dielectric spectroscopy of Nano BaTiO/sub 3/ confined in MCM-41 mesoporous molecular sieve materials [J] . Kinka M., Banys J., Bohlmann W., IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 2006,第期

机译：限制在MCM-41介孔分子筛材料中的纳米BaTiO / sub 3 /的介电谱
2. Dielectric spectroscopy of BaTiO3 confined in MCM-41 mesoporous molecular sieve materials [J] . Kinka M, Banys J, Bohlmann W, Journal de Physique, IV: Proceedings of International Conference . 2005,第0期

机译：限制在MCM-41介孔分子筛材料中的BaTiO3的介电谱
3. Dielectric Spectroscopy of Betaine Phosphite Confined in MCM-41 Molecular Sieve Materials [J] . J. BANYS, M. KINKA, G. VOLKEL Ferroelectrics: Letters Section . 2007,第1期

机译：限制在MCM-41分子筛材料中的甜菜碱亚磷酸酯的介电谱
4. EFFECT OF PORE SIZE OF Fe/MESOPOROUS MOLECULAR SIEVE MATERIALS ON GROWTH OF CARBON NANOTUBULES [C] . N. He, Q. Dai, Y. Miao, The 2nd Asian symposium on organized molecular films for electronics and photonics : Abstract book . 1998

机译：铁/介孔分子筛材料孔径对碳纳米管生长的影响
5. Mesoporous MCM-41 molecular sieves as support materials for metal-complexes and enzymes. [D] . Diaz, Jose Felipe. 1996

机译：MCM-41介孔分子筛可作为金属配合物和酶的载体。
6. Dynamics of Confined Short-Chain alkanol in MCM-41 by Dielectric Spectroscopy: Effects of matrix and system Treatments and Filling Factor [O] . Josef Bartoš, Silvia Arrese-Igor, Helena Švajdlenková, 2020

机译：介电谱法研究MCM-41中受限短链烷醇的动力学：基质和体系处理及填充因子的影响
7. Synthesis of Nano-sized MCM-41 Mesoporous Molecular Sieve by [O] . Yao Yun-Feng, Zhang Mai-Sheng, Yang Yan-Sheng 2001

机译：纳米MCM-41中孔分子筛的合成
8. Selective Catalysis Utilizing Bifunctionalized MCM-41 Mesoporous Materials [R] . 2005

机译：利用双功能化mCm-41介孔材料的选择性催化

Dielectric spectroscopy of Nano BaTiO/sub 3/ confined in MCM-41 mesoporous molecular sieve materials

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