lower figure of merit 中文意思是什麼
lower figure of merit
解釋
欠優指教-
Their dielectric loss is about 10 - 2, and figure of merit ( fom ) is less than 300. recently, cross etc. found that lead strontium titanate ( pst ) has bigger tunability and lower loss, besides this, pst is a perovskite ferroelectric material which has good solid solution
就微波可調介電材料而言,目前研究較多、性能較好的主要是鈦酸鍶鋇( bst )及其摻雜系列,其可調性一般在50左右,介電損耗在10 ~ ( - 2 )量級上,綜合反映材料可調性的優值一般在300以下。
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