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Magnetoresistance of Co-EuS, a macroscopic ferrimagnet 宏观铁氧体Co-EuS的磁电阻
Scripta Metallurgica et Materialia Pub Date : 1995-12-01 DOI: 10.1016/0956-716X(95)00405-K
Richard J. Gambino, Jinsong Wang
{"title":"Magnetoresistance of Co-EuS, a macroscopic ferrimagnet","authors":"Richard J. Gambino, Jinsong Wang","doi":"10.1016/0956-716X(95)00405-K","DOIUrl":"10.1016/0956-716X(95)00405-K","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 10","pages":"Pages 1877-1881"},"PeriodicalIF":0.0,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00405-K","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74687218","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: 9
Magnetic nanocomposites by reaction milling 反应铣削制备磁性纳米复合材料
Scripta Metallurgica et Materialia Pub Date : 1995-12-01 DOI: 10.1016/0956-716X(95)00409-O
M. Pardavi-Horvath, L. Takacs
{"title":"Magnetic nanocomposites by reaction milling","authors":"M. Pardavi-Horvath,&nbsp;L. Takacs","doi":"10.1016/0956-716X(95)00409-O","DOIUrl":"10.1016/0956-716X(95)00409-O","url":null,"abstract":"<div><p>Systems of small magnetic particles embedded in a nonmagnetic matrix were prepared by high energy ball milling. Besides carefully chosen milling conditions, in situ chemical reactions were used to control the properties of the product.</p><p>Nanocomposites of iron particles in metal oxides (Al<sub>2</sub>O<sub>3</sub> and ZnO), and magnetite particles in copper metal were prepared by reaction milling. The samples were characterized by X-ray diffraction and magnetic methods. A few hours of ball milling resulted in the completion of most chemical changes. Iron nanoparticles were formed with lattice strains of about 0.005; coercivities up to 400 Oe were achieved. The magnetization of the iron particles is 25–40% less than that expected for bulk iron.</p></div>","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 10","pages":"Pages 1731-1740"},"PeriodicalIF":0.0,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00409-O","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79978143","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: 28
The control of microstructural features of thin films for magnetic recording 磁记录用薄膜微结构特征的控制
Scripta Metallurgica et Materialia Pub Date : 1995-12-01 DOI: 10.1016/0956-716X(95)00394-B
David E. Laughlin , B. Cheong , Y.C. Feng, D.N. Lambeth , Li-Lien Lee , Bunsen Wong
{"title":"The control of microstructural features of thin films for magnetic recording","authors":"David E. Laughlin ,&nbsp;B. Cheong ,&nbsp;Y.C. Feng,&nbsp;D.N. Lambeth ,&nbsp;Li-Lien Lee ,&nbsp;Bunsen Wong","doi":"10.1016/0956-716X(95)00394-B","DOIUrl":"10.1016/0956-716X(95)00394-B","url":null,"abstract":"<div><p>Extrinsic magnetic properties play a major role in determining the performance of magnetic thin films used as magnetic recording media. These extrinsic properties are the ones which are largely determined by the microstructure of the thin magnetic films. In this paper we discuss various ways that the crystallographic texture of thin films can be controlled. We begin with a discussion of the origin of crystallographic texture of underlayers. Next, the origin of crystallographic texture of magnetic thin films by means of epitaxy with the underlayer is discussed. The control of other microstructural features such as grain size and perfection by means of underlayers and interlayers is briefly introduced. Examples from recent research are included.</p></div>","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 10","pages":"Pages 1525-1536"},"PeriodicalIF":0.0,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00394-B","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75308813","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: 25
Crystallographic and magnetic properties of fine iron nitride powders prepared by solid state reactions between iron and organic Hx(CN)-Ring compounds 铁与有机Hx(CN)环化合物固相反应制备的精细氮化铁粉末的晶体学和磁性能
Scripta Metallurgica et Materialia Pub Date : 1995-12-01 DOI: 10.1016/0956-716X(95)00427-W
Wieslaw A. Kaczmarek
{"title":"Crystallographic and magnetic properties of fine iron nitride powders prepared by solid state reactions between iron and organic Hx(CN)-Ring compounds","authors":"Wieslaw A. Kaczmarek","doi":"10.1016/0956-716X(95)00427-W","DOIUrl":"10.1016/0956-716X(95)00427-W","url":null,"abstract":"<div><p>In this work morphological, crystallographic and magnetic properties of iron nitride powders prepared by room temperature mechano-chemical processing, were studied by SEM, XRD and VSM methods. Nitridation reaction occurs during ball milling of a stoichiometric mixture of αFe powder and highly reactive complex amine compounds: piperazine, pyrazine and pyrazole in the molar ratio 3:1 (Fe:N). The amount of nitride phase produced, depends on milling time, annealing temperature and on the chemical reactivity of the amine compound with iron. Calculation of crystal lattice parameters show that prepared nitrides are similar to stoichiometric Fe<sub>3</sub>N hcp type structure. Lattice expansion was found for hexagonal planes due to increase in nitrogen concentration. Magnetic hysteresis parameters were found to be very sensitive to changes in chemical composition. As the amount of nitrogen increases magnetic remanence and coercivity increase but magnetization and calculated average magnetic moment per Fe atom decrease.</p></div>","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 10","pages":"Pages 1687-1694"},"PeriodicalIF":0.0,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00427-W","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82843899","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: 8
Structure and 100MHz soft magnetic properties in multilayers and granular thin films 多层和颗粒状薄膜的结构和100MHz软磁性能
Scripta Metallurgica et Materialia Pub Date : 1995-12-01 DOI: 10.1016/0956-716X(95)00395-C
Hiroyasu Fujimori
{"title":"Structure and 100MHz soft magnetic properties in multilayers and granular thin films","authors":"Hiroyasu Fujimori","doi":"10.1016/0956-716X(95)00395-C","DOIUrl":"10.1016/0956-716X(95)00395-C","url":null,"abstract":"<div><p>Recent developments in high-frequency magnetic thin films are overviewed. The topics discussed are multi-layered nanocrystalline films and two-phase granular alloy films with high electrical resistivity. First, it is shown that Fe/Fe-Hf-C multilayers are promising high-frequency films with saturation magnetization Bs = 20kG and permeability μ′= 6,000 up to 10~20MHz, which are at the highest levels among these types of magnetic thin films. Second, it is shown that (Fe,Co,Ni)-(Si,B,Zr etc.)-(F,O,N) granular alloy films posses uniquely high electrical resistivity ρ as 10<sup>3</sup>~10 μΩ-cm together with high Bs of about 10kG, and consequently exhibit remarkable frequency dependence of μ′ and loss μ″ up to 500MHz. These new-types of thin films are possible candidate materials for future high-frequency devices such as “magnetic integrated circuits”. The properties are attributed to the two-phase granular structure, consisting of metallic grains and less conductive intergrains.</p></div>","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 10","pages":"Pages 1625-1636"},"PeriodicalIF":0.0,"publicationDate":"1995-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00395-C","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83397921","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: 46
Two models for edge energy and their effects on edge and surface energy-minimizing shapes 两种边缘能量模型及其对边缘和表面能量最小化形状的影响
Scripta Metallurgica et Materialia Pub Date : 1995-11-01 DOI: 10.1016/0956-716X(95)00419-V
Miki Kelley
{"title":"Two models for edge energy and their effects on edge and surface energy-minimizing shapes","authors":"Miki Kelley","doi":"10.1016/0956-716X(95)00419-V","DOIUrl":"https://doi.org/10.1016/0956-716X(95)00419-V","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 1","pages":"1493-1496"},"PeriodicalIF":0.0,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79758169","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: 6
The temperature degradation of the two way shape memory effect induced by stabilization 稳定化诱导的双向形状记忆效应的温度退化
Scripta Metallurgica et Materialia Pub Date : 1995-11-01 DOI: 10.1016/0956-716X(95)00366-4
E. Cingolani, M. Ahlers
{"title":"The temperature degradation of the two way shape memory effect induced by stabilization","authors":"E. Cingolani,&nbsp;M. Ahlers","doi":"10.1016/0956-716X(95)00366-4","DOIUrl":"10.1016/0956-716X(95)00366-4","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 9","pages":"Pages 1375-1378"},"PeriodicalIF":0.0,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00366-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76342995","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
Effect of cooling rate on tetragonal to monoclinic transformation in hot pressed ZrO2(Y2O3) ceramics 冷却速率对热压ZrO2(Y2O3)陶瓷四方向单斜转变的影响
Scripta Metallurgica et Materialia Pub Date : 1995-11-01 DOI: 10.1016/0956-716X(95)00424-T
W. Z. Zhu, T. Lei, Y. Zhou, Z. Ding
{"title":"Effect of cooling rate on tetragonal to monoclinic transformation in hot pressed ZrO2(Y2O3) ceramics","authors":"W. Z. Zhu, T. Lei, Y. Zhou, Z. Ding","doi":"10.1016/0956-716X(95)00424-T","DOIUrl":"https://doi.org/10.1016/0956-716X(95)00424-T","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"4 3 1","pages":"1439-1444"},"PeriodicalIF":0.0,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86613090","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: 3
Superplasticity and solid state bonding of the TiAl intermetallic compound with micro- and submicrocrystalline structure 具有微晶和亚微晶结构的TiAl金属间化合物的超塑性和固相结合
Scripta Metallurgica et Materialia Pub Date : 1995-11-01 DOI: 10.1016/0956-716X(95)00389-D
R.Ya. Lutfullin, R.M. Imayev, O.A. Kaibyshev, F.N. Hismatullin, V.M. Imayev
{"title":"Superplasticity and solid state bonding of the TiAl intermetallic compound with micro- and submicrocrystalline structure","authors":"R.Ya. Lutfullin,&nbsp;R.M. Imayev,&nbsp;O.A. Kaibyshev,&nbsp;F.N. Hismatullin,&nbsp;V.M. Imayev","doi":"10.1016/0956-716X(95)00389-D","DOIUrl":"https://doi.org/10.1016/0956-716X(95)00389-D","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 9","pages":"Pages 1445-1449"},"PeriodicalIF":0.0,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00389-D","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91772678","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: 8
Strengthening of Al2O3/6061Al particulate composite at liquid nitrogen temperature Al2O3/6061Al颗粒复合材料在液氮温度下的强化
Scripta Metallurgica et Materialia Pub Date : 1995-11-01 DOI: 10.1016/0956-716X(95)00383-7
H.X. Li , J. Lo , X.R. Xiao
{"title":"Strengthening of Al2O3/6061Al particulate composite at liquid nitrogen temperature","authors":"H.X. Li ,&nbsp;J. Lo ,&nbsp;X.R. Xiao","doi":"10.1016/0956-716X(95)00383-7","DOIUrl":"https://doi.org/10.1016/0956-716X(95)00383-7","url":null,"abstract":"","PeriodicalId":101150,"journal":{"name":"Scripta Metallurgica et Materialia","volume":"33 9","pages":"Pages 1423-1429"},"PeriodicalIF":0.0,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0956-716X(95)00383-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89991565","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
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