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Nanostructured Materials最新文献

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Impedance spectroscopic analysis of AC response of nanophase ZnO and ZnO-Al2O3 nanocomposites 纳米相ZnO和ZnO- al2o3纳米复合材料交流响应的阻抗谱分析
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00399-2
Joshy Jose, M. A. Khadar
{"title":"Impedance spectroscopic analysis of AC response of nanophase ZnO and ZnO-Al2O3 nanocomposites","authors":"Joshy Jose, M. A. Khadar","doi":"10.1016/S0965-9773(99)00399-2","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00399-2","url":null,"abstract":"","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81892832","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: 57
Spherical assemblies of CdS nanofibers in poly(vinyl acetate) by γ-irradiation γ辐照制备聚醋酸乙烯基CdS纳米纤维的球形组装体
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00407-9
Yi Xie , Zhengping Qiao , Meng Chen , Yingjie Zhu , Y.T. Qian
{"title":"Spherical assemblies of CdS nanofibers in poly(vinyl acetate) by γ-irradiation","authors":"Yi Xie ,&nbsp;Zhengping Qiao ,&nbsp;Meng Chen ,&nbsp;Yingjie Zhu ,&nbsp;Y.T. Qian","doi":"10.1016/S0965-9773(99)00407-9","DOIUrl":"10.1016/S0965-9773(99)00407-9","url":null,"abstract":"<div><p>γ-irradiation method was used for the first time to prepare spherical assemblies of 10 × 50nm CdS nanofibers in poly(vinyl acetate) with diameter of 120nm. The irradiation reaction between cadmium chloride and carbon disulfide, and the polymerization of monomer vinyl acetate occur in the one-spot heterogeneous system, leading to the formation of spherical assemblies of semiconductor in polymer and the resulting CdS nanofibers with a good crystallinity. The preparation was done at room temperature and ambient pressure.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(99)00407-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79702888","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: 11
Refinement of α-Fe and its improvement on magnetic properties of melt-spun nanocomposite Pr2Fe14B/α-Fe magnets by low wheel speed spinning α-Fe的细化及其对熔融纺纳米复合Pr2Fe14B/α-Fe磁体磁性能的改善
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00420-1
Z. Chen, Yong Zhang, G. Hadjipanayis, Q. Chen, B. Ma
{"title":"Refinement of α-Fe and its improvement on magnetic properties of melt-spun nanocomposite Pr2Fe14B/α-Fe magnets by low wheel speed spinning","authors":"Z. Chen, Yong Zhang, G. Hadjipanayis, Q. Chen, B. Ma","doi":"10.1016/S0965-9773(99)00420-1","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00420-1","url":null,"abstract":"","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82250607","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
Warm compaction of attrition milled nanostructured iron powders 摩擦磨纳米结构铁粉的热压实
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00393-1
J.C Rawers
{"title":"Warm compaction of attrition milled nanostructured iron powders","authors":"J.C Rawers","doi":"10.1016/S0965-9773(99)00393-1","DOIUrl":"10.1016/S0965-9773(99)00393-1","url":null,"abstract":"<div><p>Attrition milled, nanostructured iron-based powders were compacted at temperatures less than one half the melting temperature and at pressure in excess of 1GPa and resulted in full dense samples from which macroscopic properties could be determined. The use of modest compaction temperatures resulted in (1) reducing the mechanical induced lattice strain, (2) producing interparticle bonding by grain boundary diffusion, and (3) limiting grain growth. The high compression stress resulted in deforming the milled particles into a fully dense compact. Hall-Petch relationships for the compacts were consistent with data from previous studies.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(99)00393-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78601232","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
Solvothermal synthesis to NiE2 (E = Se, Te) nanorods at low temperature 低温溶剂热合成NiE2 (E = Se, Te)纳米棒
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00395-5
Bin Li, Yi Xie, Jiaxing Huang, Hui Su, Y. Qian
{"title":"Solvothermal synthesis to NiE2 (E = Se, Te) nanorods at low temperature","authors":"Bin Li, Yi Xie, Jiaxing Huang, Hui Su, Y. Qian","doi":"10.1016/S0965-9773(99)00395-5","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00395-5","url":null,"abstract":"","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89227334","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: 24
Deformation-induced nonequilibrium grain-boundary phase in submicrocrystalline iron 亚微晶铁中变形诱导的非平衡晶界相
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00383-9
V. Shabashov, V. Ovchinnikov, R. Mulyukov, R. Valiev, N. Filippova
{"title":"Deformation-induced nonequilibrium grain-boundary phase in submicrocrystalline iron","authors":"V. Shabashov, V. Ovchinnikov, R. Mulyukov, R. Valiev, N. Filippova","doi":"10.1016/S0965-9773(99)00383-9","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00383-9","url":null,"abstract":"","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87892356","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: 13
Nanocorundum—advanced synthesis and processing 纳米刚玉——先进的合成与加工
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00405-5
A. Krell, Hao Ma
{"title":"Nanocorundum—advanced synthesis and processing","authors":"A. Krell, Hao Ma","doi":"10.1016/S0965-9773(99)00405-5","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00405-5","url":null,"abstract":"","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88024730","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: 24
Interfaces in nanostructures: optical investigations on cluster-matter 纳米结构中的界面:团簇物质的光学研究
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(00)00426-8
U. Kreibig , M. Gartz , A. Hilger , R. Neuendorf
{"title":"Interfaces in nanostructures: optical investigations on cluster-matter","authors":"U. Kreibig ,&nbsp;M. Gartz ,&nbsp;A. Hilger ,&nbsp;R. Neuendorf","doi":"10.1016/S0965-9773(00)00426-8","DOIUrl":"10.1016/S0965-9773(00)00426-8","url":null,"abstract":"<div><p><span>The importance of the internal interfaces between structural elements and their surroundings for the electronic properties of nanostructured materials is stressed by giving a brief overview of recent optical experiments on several different kinds of cluster-matter: (1) The Mie-absorption of silver nanoparticles embedded in various solid </span>matrix materials was used to obtain information about static and dynamic charge transfer in the interlayers and their impact on the plasmon dephasing lifetime. (2) Effects of chemical surface reactions are demonstrated for silver clusters reacting with oxygen, sulphur and tripenylphosphine. (3) The occurrence of structural and electronic phase transitions during hydrogenation of yttrium (which is well-known for extended matter) is demonstrated for the first time for clusters. (4) Non-linear optical bi-stability is shown for silver-coated CdS-clusters. This paper was presented at The Fourth International Conference on Nanostructured Materials, NANO ‘98, July 1998, Stockholm/Sweden.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(00)00426-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77240216","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: 19
Nanotechnology: a data storage perspective 纳米技术:数据存储的视角
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(00)00429-3
A.K Menon , B.K Gupta
{"title":"Nanotechnology: a data storage perspective","authors":"A.K Menon ,&nbsp;B.K Gupta","doi":"10.1016/S0965-9773(00)00429-3","DOIUrl":"https://doi.org/10.1016/S0965-9773(00)00429-3","url":null,"abstract":"<div><p><span>The exponential increase in areal density of recording of magnetic storage devices has reduced the recorded bit size to nano length scale. This has profound implications on all aspects of the storage system including recording device modeling, materials, fabrication, metrology, characterization, and tribology of the head-disk interface. In this paper, the impact of </span>nanotechnology in extending the data storage device storage systems is explored with an emphasis on the fabrication and characterization of nanolayers and structures.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(00)00429-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91746232","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: 53
Deformation-induced nonequilibrium grain-boundary phase in submicrocrystalline iron 亚微晶铁中变形诱导的非平衡晶界相
Nanostructured Materials Pub Date : 1999-11-01 DOI: 10.1016/S0965-9773(99)00383-9
V.A. Shabashov , V.V. Ovchinnikov , R.R. Mulyukov , R.Z. Valiev , N.P. Filippova
{"title":"Deformation-induced nonequilibrium grain-boundary phase in submicrocrystalline iron","authors":"V.A. Shabashov ,&nbsp;V.V. Ovchinnikov ,&nbsp;R.R. Mulyukov ,&nbsp;R.Z. Valiev ,&nbsp;N.P. Filippova","doi":"10.1016/S0965-9773(99)00383-9","DOIUrl":"https://doi.org/10.1016/S0965-9773(99)00383-9","url":null,"abstract":"<div><p><span>The shapes of Mössbauer spectra of coarse-grained annealed armco iron and submicrocrystalline (SMC) iron with a grain size of 0.22 μm were compared. The SMC was made from the armco iron by pressure shear and subsequent annealing at 420 °C. We intended to separate an additional subspectrum, which appears as a result of the grain refinement. That subspectrum was attributed to grain-boundary atoms or the “grain-boundary phase” (GBP). The volume fraction of that phase was determined. On the average, the GBP interatomic spacing was suggested to be 1% larger than that of the grain phase (GP) and the presence of considerable compressive stresses in the GBP were deduced. A possible reason for the satellite subspectrum appearing after the grain refinement was that it was attributed to a sudden change in the fundamental characteristics of the solid at a certain critical value of the </span>lattice parameter, which varies continuously in going from the geometrical boundary to the grain center.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(99)00383-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91746233","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: 13
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