{"title":"铌酸铅钾单晶的生长、力学性能及畴","authors":"Tian Tian, Wen‐bin Liu, Jiayue Xu","doi":"10.1109/SPAWDA.2015.7364523","DOIUrl":null,"url":null,"abstract":"Lead potassium niobate (Pb2KNb5O15, PKN) single crystal with tungsten bronze has been successfully grown by Bridgman method through spontaneous nucleation. Under the optimized growth conditions, the crystal was transparent, cracks free and inclusions free. The mechanical property was measured through the Vickers microhardness technique. The result showed that the relationship between the Vickers' microhardness and load could be described as Hv=1.90P-0.2057GPa. Strip-shaped domains were observed in PKN crystals. The changes of the domains during the temperature increasing process indicated that the Currie temperature of PKN was in the range of 460-470°C.","PeriodicalId":205914,"journal":{"name":"2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Growth, mechanical property and domains of lead potassium niobate single crsytal\",\"authors\":\"Tian Tian, Wen‐bin Liu, Jiayue Xu\",\"doi\":\"10.1109/SPAWDA.2015.7364523\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Lead potassium niobate (Pb2KNb5O15, PKN) single crystal with tungsten bronze has been successfully grown by Bridgman method through spontaneous nucleation. Under the optimized growth conditions, the crystal was transparent, cracks free and inclusions free. The mechanical property was measured through the Vickers microhardness technique. The result showed that the relationship between the Vickers' microhardness and load could be described as Hv=1.90P-0.2057GPa. Strip-shaped domains were observed in PKN crystals. The changes of the domains during the temperature increasing process indicated that the Currie temperature of PKN was in the range of 460-470°C.\",\"PeriodicalId\":205914,\"journal\":{\"name\":\"2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)\",\"volume\":\"34 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SPAWDA.2015.7364523\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SPAWDA.2015.7364523","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Growth, mechanical property and domains of lead potassium niobate single crsytal
Lead potassium niobate (Pb2KNb5O15, PKN) single crystal with tungsten bronze has been successfully grown by Bridgman method through spontaneous nucleation. Under the optimized growth conditions, the crystal was transparent, cracks free and inclusions free. The mechanical property was measured through the Vickers microhardness technique. The result showed that the relationship between the Vickers' microhardness and load could be described as Hv=1.90P-0.2057GPa. Strip-shaped domains were observed in PKN crystals. The changes of the domains during the temperature increasing process indicated that the Currie temperature of PKN was in the range of 460-470°C.
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