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在一定的宏观条件(温度、压力等)下,若多个系统某个特定的集体激发变得不稳定,该集体激发的现象。在钛酸钡(BaTiO3)一类的位移型铁电体中,某一特定的晶格振动模(通常是频率最低的横光学模)在温度趋于相变点时,其固有频率逐渐减小到零,晶体原子处于新的平衡位置,形成新的结构。
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Shanxi Province Art Museum
Shanxi Provincial Archives
Shanxi Provincial Library
Shanxi Provincial Sports Museum
Shanxi Publishing & Media Group Co.,Ltd
Shanxi Qingmuchuan National Nature Reserve
Shanxi Renzu Shan Provincial Nature Reserve
Shanxi Sanggan He Provincial Nature Reserve
Shanxi Sangyuan National Nature Reserve
Shanxi Science and Technology Museum
Shanxi Sheng
Shanxi Sixiannao Provincial Nature Reserve
Shanxi Sports Center
Shanxi Sushui He Yuantou Provincial Nature Reserve
Shanxi Taibai Shan National Nature Reserve
Shanxi Taibai Xushuihe Valuable and Rare Aquatic Organisms National Nature Reserve
Shanxi Taikuan He National Nature Reserve
Shanxi Taiyuan Dou Dafu Temple protection project
Shanxi Tianhua Shan National Nature Reserve
Shanxi Tianlong Shan Provincial Nature Reserve
Shanxi Tieqiao Shan Provincial Nature Reserve
Shanxi Tuanyuan Shan Provincial Nature Reserve
Shanxi-type iron deposit
Shanxi University of Chinese Medicine
Shanxi vernacular dwelling
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