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Updated: Jun 21, 2026

Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane
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通过快速的热处理,消除泽奥利特膜中的颗粒边界缺陷

Jungkyu Choi1, Hae-Kwon Jeong, Mark A Snyder

  • 1Department of Chemical Engineering and Materials Science, University of Minnesota, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis, MN 55455, USA.

Science (New York, N.Y.)
|August 1, 2009
PubMed
概括

快速的热处理通过消除缺陷来增强氧化-1膜,改善碳化合物异构体的分离,以实现节能应用.

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Imperfections in Crystal Structure: Stoichiometric Point Defects01:26

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...