【软磁铁氧体损耗和磁导率的调控机理及技术研究】李海华.pdf
华中科技大学博士学位论文 A Dissertation SubmittedtotheDegreeEvaluationCommitteeofHuazhong UniversityofSciences andTechnologyfortheDegreeof Doctor ofPhilosophyinMicroelectronics and SolidState Electronics Study on the Adjustable Mechanism and Technology of LossandPermeabilityofSoftFerrite By Li Haihua Supervised
华中科技大学博士学位论文 高起始磁导率,但应控制在25mol 以内:掺入适量Ca0可以提高起始磁导率及 材料的稳定性.掺入适量的Bi2O能促进晶粒生长,提高磁导率.烧结气氛对高 磁导率材料的温度、频率和时间的稳定性有着重要影响。结果表明,上述调控技 术有效地验证了调控机理。
华中科技大学博士学位论文 mospherehavebeen discussed.For highpermeabilityferrite,theeffectsofZnO igh permeabilityperformance havebeen studied,and theresults show:the increasing ofZnOcontentcanimproveinitialpermeability,butcannotexceed 25mol ;the dulterationofCaOcanimproveinitialpermeabilityandthestabilityofmater