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Journal of the Magnetics Society of Japan最新文献

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Spin Wave Resonance in Perpendicularly Magnetized Synthetic Antiferromagnets 垂直磁化合成反铁磁体中的自旋波共振
Journal of the Magnetics Society of Japan Pub Date : 2021-03-01 DOI: 10.3379/MSJMAG.2103R004
M. Ishibashi, Y. Shiota, S. Funada, T. Moriyama, T. Ono
{"title":"Spin Wave Resonance in Perpendicularly Magnetized Synthetic Antiferromagnets","authors":"M. Ishibashi, Y. Shiota, S. Funada, T. Moriyama, T. Ono","doi":"10.3379/MSJMAG.2103R004","DOIUrl":"https://doi.org/10.3379/MSJMAG.2103R004","url":null,"abstract":"We report antiferromagnetic spin wave resonance in perpendicularly magnetized synthetic antiferromagnets consisting of Co/Ni multilayers and a thin Ru spacer layer. Two resonance modes were observed in the finite range of the out-of-plane bias magnetic field, where two magnetic moments separated by the Ru layer were antiferromagnetically aligned. These two modes show an opposite dependence on the bias magnetic field and correspond to right- and left-handed polarized spin waves. We also theoretically derive the spin wave dispersion for the perpendicularly magnetized synthetic antiferromagnets on the basis of an equation of motion. Our experimental results show good agreement with the theoretical analysis.","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88449700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Miniaturized Permanent Magnets Applied to Extremely Small Stepping Motors 微型永磁体应用于极小步进电机
Journal of the Magnetics Society of Japan Pub Date : 2021-03-01 DOI: 10.3379/MSJMAG.2101RV001
M. Nakano
{"title":"Miniaturized Permanent Magnets Applied to Extremely Small Stepping Motors","authors":"M. Nakano","doi":"10.3379/MSJMAG.2101RV001","DOIUrl":"https://doi.org/10.3379/MSJMAG.2101RV001","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"10 1","pages":"12-15"},"PeriodicalIF":0.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78485954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Estimation of Angular Momentum Compensation Temperature in GdFe Film by Magnetic Compton Scattering 用磁康普顿散射估计GdFe薄膜的角动量补偿温度
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2101l002
Tetsuya Ikebuchi, Yuushou Hirata, S. Funada, A. Tsukamoto, H. Ito, Kosuke Suzuki, K. Hoshi, N. Tsuji, H. Sakurai, Y. Shiota, T. Moriyama, T. Ono
{"title":"Estimation of Angular Momentum Compensation Temperature in GdFe Film by Magnetic Compton Scattering","authors":"Tetsuya Ikebuchi, Yuushou Hirata, S. Funada, A. Tsukamoto, H. Ito, Kosuke Suzuki, K. Hoshi, N. Tsuji, H. Sakurai, Y. Shiota, T. Moriyama, T. Ono","doi":"10.3379/msjmag.2101l002","DOIUrl":"https://doi.org/10.3379/msjmag.2101l002","url":null,"abstract":"Yoichi Shiota, Takahiro Moriyama, and Teruo Ono**** Institute for Chemical Research, Kyoto University, Gokasho Uji, Kyoto 611-0011, Japan *College of Science and Technology, Nihon University, Narashino-dai Funabashi, Chiba 274-8501, Japan **Department of Electronics and Informatics, Gunma University, Tenjin-cho Kiryu, Gunma 376-8515, Japan ***JASRI, Kouto Sayo-cho, Hyogo 679-5198, Japan ****Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"694 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74747355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Prototype Tests of Outer-Rotor-type High-Speed PM Motor 外转子式高速永磁电机样机试验
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/MSJMAG.2105R012
S. Sakurai, K. Nakamura
{"title":"Prototype Tests of Outer-Rotor-type High-Speed PM Motor","authors":"S. Sakurai, K. Nakamura","doi":"10.3379/MSJMAG.2105R012","DOIUrl":"https://doi.org/10.3379/MSJMAG.2105R012","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74782872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of B Content on the Magnetostrictive Properties of Single-Crystalline, Poly-Crystalline, and Amorphous Fe-Co-B Alloy Films B含量对单晶、多晶和非晶Fe-Co-B合金薄膜磁致伸缩性能的影响
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2111r001
Y. Nakamura, M. Ohtake, T. Kawai, M. Futamoto, F. Kirino, N. Inaba
{"title":"Influence of B Content on the Magnetostrictive Properties of Single-Crystalline, Poly-Crystalline, and Amorphous Fe-Co-B Alloy Films","authors":"Y. Nakamura, M. Ohtake, T. Kawai, M. Futamoto, F. Kirino, N. Inaba","doi":"10.3379/msjmag.2111r001","DOIUrl":"https://doi.org/10.3379/msjmag.2111r001","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"164 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86215567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Temperature difference dependence of coercivity of spin Seebeck voltage for BiY2Fe5O12/Pt device made by metal organic decomposition method 金属有机分解法制备BiY2Fe5O12/Pt器件自旋塞贝克电压矫顽力的温差依赖性
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/MSJMAG.2105R010
Y. Takahashi, T. Takase, K. Yamaguchi
{"title":"Temperature difference dependence of coercivity of spin Seebeck voltage for BiY2Fe5O12/Pt device made by metal organic decomposition method","authors":"Y. Takahashi, T. Takase, K. Yamaguchi","doi":"10.3379/MSJMAG.2105R010","DOIUrl":"https://doi.org/10.3379/MSJMAG.2105R010","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79100999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Improvement of Spoke-shaped Interior Permanent Magnet Magnetic Gear 轮辐式内啮合永磁齿轮的性能改进
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2105r008
Y. Mizuana, K. Nakamura, Y. Suzuki, Y. Oishi, Y. Tachiya, K. Kuritan
{"title":"Performance Improvement of Spoke-shaped Interior Permanent Magnet Magnetic Gear","authors":"Y. Mizuana, K. Nakamura, Y. Suzuki, Y. Oishi, Y. Tachiya, K. Kuritan","doi":"10.3379/msjmag.2105r008","DOIUrl":"https://doi.org/10.3379/msjmag.2105r008","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75353405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Negative Spin-Polarization Tri-Layer STO for MAMR MAMR的负自旋极化三层STO
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2201r001
I. Tagawa
{"title":"Negative Spin-Polarization Tri-Layer STO for MAMR","authors":"I. Tagawa","doi":"10.3379/msjmag.2201r001","DOIUrl":"https://doi.org/10.3379/msjmag.2201r001","url":null,"abstract":"","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"76 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75948519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetization Analysis of Magnetic Nanowire Memory Utilizing Two Recording Metal Wires for Low Current Recording 利用两根记录金属线进行小电流记录的磁性纳米线存储器的磁化分析
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2201r002
K. Ogura, M. Takahashi, N. Nakatani, N. Ishii, Y. Miyamoto
{"title":"Magnetization Analysis of Magnetic Nanowire Memory Utilizing Two Recording Metal Wires for Low Current Recording","authors":"K. Ogura, M. Takahashi, N. Nakatani, N. Ishii, Y. Miyamoto","doi":"10.3379/msjmag.2201r002","DOIUrl":"https://doi.org/10.3379/msjmag.2201r002","url":null,"abstract":"We have developed magnetic nanowire memories with no mechanical moving parts in order to achieve the large-capacity and ultra-high data transfer rates required for spatial imaging three-dimensional television (3D-TV). In a magnetic nanowire, binary information is recorded by means of a magnetic field induced by two recording wires that are orthogonally fabricated above the nanowire. We simulated the magnetic domain formation process and found that it was formed stably in a magnetic nanowire when we utilized two recording wires. In addition, by adding a certain time difference to the current, the magnetic domains were formed with low current density. We analyzed the behavior inside the magnetic nanowire and found that magnetization reversal can be achieved at low current density when torque is applied at the appropriate time during the precession of the magnetic moment.","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82946029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Information Degradation during Archiving in Heat-Assisted Magnetic Recording 热辅助磁记录存档过程中的信息退化
Journal of the Magnetics Society of Japan Pub Date : 2021-01-01 DOI: 10.3379/msjmag.2201r003
T. Kobayashi, Y. Nakatani, Y. Fujiwara
{"title":"Information Degradation during Archiving in Heat-Assisted Magnetic Recording","authors":"T. Kobayashi, Y. Nakatani, Y. Fujiwara","doi":"10.3379/msjmag.2201r003","DOIUrl":"https://doi.org/10.3379/msjmag.2201r003","url":null,"abstract":"We examine the dependence of information stability on certain medium parameters, namely mean Curie temperature, grain height, and anisotropy constant ratio in 4 Tbpsi heat-assisted magnetic recording, for 10 years of archiving. We introduce a minimum normalized readout field H 0 after 10 years of archiving and an information degradation rate R 0 during 10 years of archiving. To interpret the results, we investigate whether there is a correlation between H 0 or R 0 and an effective thermal stability factor for 9 and 6 grains/bit. We find that there is a strong correlation since the anisotropy constant is much larger than the shape anisotropy. The H 0 and R 0 values are functions of the effective thermal stability factor and grain number, and are independent of grain number per bit. The effective thermal stability factor necessary for no information degradation is more than about 120. Furthermore, there is a weak correlation between the initial readout field or minimum readout field after 10 years of archiving and the effective thermal stability factor.","PeriodicalId":36791,"journal":{"name":"Journal of the Magnetics Society of Japan","volume":"148 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80654227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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