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INTERMAG 2006 - IEEE International Magnetics Conference最新文献

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Modeling of Ironless Permanent Magnet Planar Motor Structures 无铁永磁平面电机结构建模
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.375901
J. D. Boeij, Elena A. Lomonova, André J. A. Vandenput
{"title":"Modeling of Ironless Permanent Magnet Planar Motor Structures","authors":"J. D. Boeij, Elena A. Lomonova, André J. A. Vandenput","doi":"10.1109/INTMAG.2006.375901","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.375901","url":null,"abstract":"In this paper, finite element analysis is used to develop a fast model that includes end-effects and allows performance and controllability analysis without specifying a commutation scheme or control method is for ironless permanent magnet planar motor structures.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"170 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117279411","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: 10
Development of Transcutaneous Temperature Control System for Implantable Devices 植入式装置经皮温度控制系统的研制
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.376269
Y. Kakubari, F. Sato, H. Matsuki, T. Sato, M. Higa, Y. Luo, T. Yambe
{"title":"Development of Transcutaneous Temperature Control System for Implantable Devices","authors":"Y. Kakubari, F. Sato, H. Matsuki, T. Sato, M. Higa, Y. Luo, T. Yambe","doi":"10.1109/INTMAG.2006.376269","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.376269","url":null,"abstract":"In this work, a small inductor using magnetic property depending on temperature, and transcutaneous temperature control system was proposed. The artificial anal sphincter is actuated by flexible heaters attached to SMA, then opens anal canal. The purpose of this study is to propose the simple system of artificial sphincters controlled its temperature by the inductor consisting of Ni-Cu-Zn based thermosensitive magnetic ferrite. In this paper, a prototype of thermosensitive inductor is designed for evaluations, and tested it to confirm the temperature controllability in order to prevent the SMA from overheating.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"417 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117324005","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
Ferromagnetism in nanotubes controlled by electron/hole doping 电子/空穴掺杂控制纳米管中的铁磁性
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.375867
L. Krusin-Elbaum
{"title":"Ferromagnetism in nanotubes controlled by electron/hole doping","authors":"L. Krusin-Elbaum","doi":"10.1109/INTMAG.2006.375867","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.375867","url":null,"abstract":"Spintronics requires fabrication of magnetic nanostructures, therefore we synthesized a distinctly structured open-net layered-wall vanadium oxide (VOx) nanotubes, using the, so called, 'chimie douce' techniques. We discovered that these nanotubes can be easily spin-tuned by charge doping. By adding either electrons (e.g. doping with lithium) or holes (e.g. doping with iodine) to this multiband strongly correlated system, we found that the initially spin-frustrated nanotubes develop a nearly identical nonlinear ferromagnetic spin response. Based on complex structure of VOx nanotubes, we developed a model explaining how either electron (Li) or hole (I) doping can produce an identical magnetic response in such layered low-dimensional objects.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"37 22","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120822839","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
CGC Perpendicular Recording Media with Optimum Exchange Coupling 具有最佳交换耦合的CGC垂直记录介质
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.375838
Y. Sonobe, K. Tham, L. Wu, T. Umezawa, C. Takasu, J.H. Dumaya, T. Onoue, P. Leo, M. Liau
{"title":"CGC Perpendicular Recording Media with Optimum Exchange Coupling","authors":"Y. Sonobe, K. Tham, L. Wu, T. Umezawa, C. Takasu, J.H. Dumaya, T. Onoue, P. Leo, M. Liau","doi":"10.1109/INTMAG.2006.375838","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.375838","url":null,"abstract":"This paper investigates a new class of coupled and continuous (CGC) perpendicular media consisting of CoCrPt-SiO2 granular layer with magnetically-decoupled small grains. This paper describes the role of inter-granular exchange coupling in the recording performance of CGC media structure.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116037516","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
Magnetic Properties of Lithographically Patterned Co/Pd Nanostructures Obtained by E-Beam and Ga Ion Irradiation 电子束和镓离子辐照下光刻图案Co/Pd纳米结构的磁性能
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.374978
E. Suharyadi, T. Kato, S. Tsunashima, S. Iwata
{"title":"Magnetic Properties of Lithographically Patterned Co/Pd Nanostructures Obtained by E-Beam and Ga Ion Irradiation","authors":"E. Suharyadi, T. Kato, S. Tsunashima, S. Iwata","doi":"10.1109/INTMAG.2006.374978","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.374978","url":null,"abstract":"In this report, patterning Co/Pd continuous magnetic film with perpendicular magnetic anisotropy without significant modifications of the surface roughness of the magnetic films using e-beam lithography followed by Ga ion irradiation has been investigated, as a new approach to realize a thermally stable magnetic storage. Their magnetic properties are also discussed in detail. For comparison, discretely patterned Co/Pd film obtained by e-beam lithography followed by etching process is also studied. From M-H loops, the sample shows in-plane anisotropy. Also, from magnetic force microscopy (MFM) image and M-H loops of ion-irradiation-patterned Co/Pd films, the exchange coupling between bits is considered to exist through in-plane magnetized space region.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"422 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116169707","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
Interfacilly Disordered FePt hard/soft Stacked Structures 设备间无序FePt硬/软堆叠结构
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.375837
Y. Takahashi, K. Hono, S. Okamoto, O. Kitakami
{"title":"Interfacilly Disordered FePt hard/soft Stacked Structures","authors":"Y. Takahashi, K. Hono, S. Okamoto, O. Kitakami","doi":"10.1109/INTMAG.2006.375837","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.375837","url":null,"abstract":"L10-FePt is a promising material for ultra high density magnetic recording media due to its high magnetocrystalline anisotropy (Ku). However, the switching field (Hsw) of the L10-FePt particle is too large to write by the currently used write head. Hard/soft stacked media are proposed to solve this problem. Recently, we demonstrated that the coercivity of isolated FePt particles can be reduced by introducing a thin disordered layer on FePt particles by capping them with amorphous Al2O3. Since the Ku of the disordered FePt is much smaller than that of the L10 FePt, the interfacially disordered FePt particle is equivalent to the hard/soft stacked structure. In this study, we have investigated the magnetization reversal process using the partially disordered FePt particles that are smaller than the critical size for coherent rotation.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116170093","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
Superparamagnetic Transition in Diluted Exchange Coupled Bilayers 稀释交换耦合双层中的超顺磁跃迁
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.374982
O. Traistaru, H. Fujiwara
{"title":"Superparamagnetic Transition in Diluted Exchange Coupled Bilayers","authors":"O. Traistaru, H. Fujiwara","doi":"10.1109/INTMAG.2006.374982","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.374982","url":null,"abstract":"In ferromagnet (FM)/antiferromagnet (AF) bilayer systems, it was recently found that the exchange bias vs. FM thickness curve shows a critical thickness below which the exchange bias vanishes, and confirmed by analytic calculation using a simplified model that it can be ascribed to the superparamagnetism (SPM) promoted through the exchange coupling with the AF layer. This paper studies the effect by means of Monte Carlo simulations and tries to obtain more insight into the phenomenon. The AF layer is randomly diluted up to 0.3 at.% to account for the presence of defects contributing to the exchange bias effect. The influence of the FM dilution on the onset of SPM is investigated.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116364517","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
Transient Thermal Response of Hot-spots in a Multilayered Film using Lattice Boltzmann Method 用点阵玻尔兹曼方法研究多层薄膜中热点的瞬态热响应
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.376295
S. S. Ghai, W. Kim, C.H. Anion, M. Jhon
{"title":"Transient Thermal Response of Hot-spots in a Multilayered Film using Lattice Boltzmann Method","authors":"S. S. Ghai, W. Kim, C.H. Anion, M. Jhon","doi":"10.1109/INTMAG.2006.376295","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.376295","url":null,"abstract":"In this paper, a numerical tool based on lattice Boltzmann method is developed to simulate the transient thermal response of hot-spots in a multilayered film. The developed tool can successfully simulate complex multiscale systems involving multiple energy carriers with different length and time scales.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123556935","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
Recording density study of the advanced barium-ferrite particulate tape 先进钡铁氧体颗粒磁带的记录密度研究
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.376361
T. Nagata, T. Harasawa, M. Oyanagi, N. Abe, S. Saito
{"title":"Recording density study of the advanced barium-ferrite particulate tape","authors":"T. Nagata, T. Harasawa, M. Oyanagi, N. Abe, S. Saito","doi":"10.1109/INTMAG.2006.376361","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.376361","url":null,"abstract":"This paper reports the experimental results of the developed barium ferrite tape, which shows the feasibility of 7 Gbits/inch2 recording density.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123701345","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: 21
Photomagnetism Studies in Nd0.7Sr0.3CoO3 Nd0.7Sr0.3CoO3的光磁性研究
INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI: 10.1109/INTMAG.2006.374863
D. Bahadur, S. Asthana, C. Carbonera, J. Létard
{"title":"Photomagnetism Studies in Nd0.7Sr0.3CoO3","authors":"D. Bahadur, S. Asthana, C. Carbonera, J. Létard","doi":"10.1109/INTMAG.2006.374863","DOIUrl":"https://doi.org/10.1109/INTMAG.2006.374863","url":null,"abstract":"The partial substitution of rare earth ion by bivalent alkaline earth ion in perovskite oxide of the type LnMO<sub>3</sub> (Ln = Rare earth ion, M = Transition metal ion) generates mixed valence states of M<sup>3+</sup> and M<sup>4+</sup> has been extensively studied. This article investigate the photo magnetic effects in the system, Nd<sub>0.7</sub>Sr<sub>0.3</sub>CoO<sub>3</sub>. This composition is known to exhibit interesting magnetic properties at low temperatures . The results obtained earlier suggest an electronic phase separation due to coexistence of ferromagnetic and antiferromagnetic interaction which competes and causes frustration. Due to the substitution of Sr<sup>2+</sup> at Neodymium site, Co<sup>3+</sup> and Co<sup>4+</sup> are generated which can in principle exist in either low, intermediate or high spin states. The intermediate states of Co<sup>3+</sup> and Co<sup>4+</sup> ion , which are known to exist in these cobaltites are Jahn Teller ion. These ions and Nd<sup>3+</sup> (L = 6) having large orbital moments may induce a large anisotropy.","PeriodicalId":262607,"journal":{"name":"INTERMAG 2006 - IEEE International Magnetics Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121981465","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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