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钛酸锶钡铁电薄膜材料具有电热效应，同时又不含有铅类有害物质，可用于铁电致冷，比含铅的铁电材料更具有环保意义。
Because BST materials weren't added with Pb and had the electrocaloric effect, the reseatch on BST thin films applied ferroelectric refrigeration was more meaningful to protect the entironment.
本文通过对退火温度、择优取向、组分梯度的研究，对钛酸锶钡(BST)薄膜进行了性能优化。
In this paper, some works were done to optimize the properties of BST thin films, including the annealing temperature, orientation and composition gradient.
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