F. Kadlec, C. Kadlec, J. Buršík, J. Vít, V. Goian, J. Prokleška, M. Kempa, F. Borodavka, S. Rols, S. Kamba
{"title":"多铁(Ba0.2Sr0.8)3Co2Fe24O41在太赫兹范围内的自旋和晶格激发","authors":"F. Kadlec, C. Kadlec, J. Buršík, J. Vít, V. Goian, J. Prokleška, M. Kempa, F. Borodavka, S. Rols, S. Kamba","doi":"10.1109/IRMMW-THZ.2015.7327612","DOIUrl":null,"url":null,"abstract":"THz, infrared and inelastic neutron scattering spectra of Z-hexaferrite ceramics were measured in a broad range of temperatures. A sharp electromagnon is observed near 1THz, vanishing with increasing magnetic field until a phase transition occurs at H ≈ 2T. Then, another strong peak whose resonance frequency is linearly proportional to the magnetic field turns up from the sub-THz range. We assign this peak to a ferrimagnetic resonance.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"101 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Spin and lattice excitations of multiferroic (Ba0.2Sr0.8)3Co2Fe24O41 in the THz range\",\"authors\":\"F. Kadlec, C. Kadlec, J. Buršík, J. Vít, V. Goian, J. Prokleška, M. Kempa, F. Borodavka, S. Rols, S. Kamba\",\"doi\":\"10.1109/IRMMW-THZ.2015.7327612\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"THz, infrared and inelastic neutron scattering spectra of Z-hexaferrite ceramics were measured in a broad range of temperatures. A sharp electromagnon is observed near 1THz, vanishing with increasing magnetic field until a phase transition occurs at H ≈ 2T. Then, another strong peak whose resonance frequency is linearly proportional to the magnetic field turns up from the sub-THz range. We assign this peak to a ferrimagnetic resonance.\",\"PeriodicalId\":6577,\"journal\":{\"name\":\"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)\",\"volume\":\"101 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-11-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THZ.2015.7327612\",\"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 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THZ.2015.7327612","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Spin and lattice excitations of multiferroic (Ba0.2Sr0.8)3Co2Fe24O41 in the THz range
THz, infrared and inelastic neutron scattering spectra of Z-hexaferrite ceramics were measured in a broad range of temperatures. A sharp electromagnon is observed near 1THz, vanishing with increasing magnetic field until a phase transition occurs at H ≈ 2T. Then, another strong peak whose resonance frequency is linearly proportional to the magnetic field turns up from the sub-THz range. We assign this peak to a ferrimagnetic resonance.
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