发布求助
文献互助 智能选刊 最新文献

9th International Symposium on Electrets (ISE 9) Proceedings最新文献

筛选
英文 中文
The properties of LPcvd Si/sub 3/N/sub 4//SiO/sub 2/ film electret based on silicon 硅基LPcvd Si/sub 3/N/sub 4/ SiO/sub 2/薄膜驻极体的性质
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578061
Mingzhou Zhao, Zhiqiang Huang, LinZhuang Sha, Zhen Xu
{"title":"The properties of LPcvd Si/sub 3/N/sub 4//SiO/sub 2/ film electret based on silicon","authors":"Mingzhou Zhao, Zhiqiang Huang, LinZhuang Sha, Zhen Xu","doi":"10.1109/ISE.1996.578061","DOIUrl":"https://doi.org/10.1109/ISE.1996.578061","url":null,"abstract":"By means of the technology of LPcvd and thermal oxidation the Si/sub 3/N/sub 4//SiO/sub 2/ double-layer electret film was prepared on different doped silicon wafers. The experimental results show that the Si/sub 3/N/sub 4//SiO/sub 2/ double-layer film possesses a good storage ability of negative charges after modifying the surface with HMDS, and all of the charges were almost trapped in the bulk of upper layer Si/sub 3/N/sub 4/ film. In addition, the TSD spectra of Si/sub 3/N/sub 4//SiO/sub 2/ film were influenced greatly by the differences of the dopants in the silicon wafers.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126498725","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
TSC and dielectric spectroscopy methods TSC和介电光谱方法
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578173
Zhenhong Zhou, Xiaoling Li, Yingyu Deng, Jingde Li, W. Cao
{"title":"TSC and dielectric spectroscopy methods","authors":"Zhenhong Zhou, Xiaoling Li, Yingyu Deng, Jingde Li, W. Cao","doi":"10.1109/ISE.1996.578173","DOIUrl":"https://doi.org/10.1109/ISE.1996.578173","url":null,"abstract":"What we observe by the TSC method is the slow polarization response and the method only gives the sum of the charge. Another method of time domain spectroscopy has been used to study dielectric spectroscopy in the thermodynamically equilibrium state. It is a very powerful method which gives more information than from the TSC method. The relaxation in discharge is due to free diffusion of the nonequilibrium binding space charge.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125650240","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
Injection and charge transport processes of polymer light emitting diodes 聚合物发光二极管的注入和电荷输运过程
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578105
A. Wedel, S. Janietz, R. Danz
{"title":"Injection and charge transport processes of polymer light emitting diodes","authors":"A. Wedel, S. Janietz, R. Danz","doi":"10.1109/ISE.1996.578105","DOIUrl":"https://doi.org/10.1109/ISE.1996.578105","url":null,"abstract":"We investigated thianthrene (TH) and 2-(4-biphenyl)-5-(4-t-butylphenyl)-1,3,4-oxadiazole (PBD), which is known to be a good scintillator dye and have good electron transport properties, separately by cyclic voltammetry in solution. All electrochemical measurements were performed in solutions of N-methylporrolidone in the reduction region and in acetonitrile (for PBD) and dichloromethane (for TH) in the oxidation direction. We also investigated the current-voltage (I-U) characteristics for testing the diode character and capacitance-voltage (C-V) behaviour of different single and double layer structures to describe the function of such devices. For LED fabrication, TH and PBD were mixed with 20% polycarbonate (PC) dissolved in chloroform, so that a mixed single layer with a thickness of 150 nm as an LED blend structure was built up.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125714280","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
Pyroelectrical phenomena in PVC 聚氯乙烯中的热释电现象
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578237
Xinheng Wang, Songzhen Wu
{"title":"Pyroelectrical phenomena in PVC","authors":"Xinheng Wang, Songzhen Wu","doi":"10.1109/ISE.1996.578237","DOIUrl":"https://doi.org/10.1109/ISE.1996.578237","url":null,"abstract":"The Thermally Stimulated Current (TSC) spectra of PVC and spontaneous currents were measured in this paper. The magnitude and the direction of the currents caused by pyroelectricity vary at different polarizing temperature. A transition polarizing temperature appears in the experiment above the temperature, the currents are positive and decrease with the decrease of polarizing temperature; below the temperature, the currents are negative; near the temperature, the currents are very little.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131332375","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
PVDF/SiO/sub 2/ hybrid composite electret films and effects PVDF/SiO/ sub2 /杂化复合驻极体薄膜及其效果
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578247
D. Yang, W. Bai, Zhiming Wu, Yadong Jiang, Shaohong Wang, Xiangdong Chen, Li Wang
{"title":"PVDF/SiO/sub 2/ hybrid composite electret films and effects","authors":"D. Yang, W. Bai, Zhiming Wu, Yadong Jiang, Shaohong Wang, Xiangdong Chen, Li Wang","doi":"10.1109/ISE.1996.578247","DOIUrl":"https://doi.org/10.1109/ISE.1996.578247","url":null,"abstract":"A new hybrid composite electret film based on PVDF polymer and inorganic electret SiO/sub 2/ by Sol-Gel process is described. The preparation and composite techniques, hybrid microstructure, dielectric, piezo- & pyroelectric, charge storage properties, electret effects, and origin mechanism analysis are discussed.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131427837","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
Investigation of space charge formation at polymer interface using laser induced pressure pulse technique 激光诱导压力脉冲技术研究聚合物界面空间电荷形成
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578085
G. Chen, M. A. Brown, A. Davies, C. Rochester, I. Doble
{"title":"Investigation of space charge formation at polymer interface using laser induced pressure pulse technique","authors":"G. Chen, M. A. Brown, A. Davies, C. Rochester, I. Doble","doi":"10.1109/ISE.1996.578085","DOIUrl":"https://doi.org/10.1109/ISE.1996.578085","url":null,"abstract":"This paper reports the results of an investigation into the space charge formation and decay at the interface between polyethylene and ethylene vinyl-acetate used in cable insulation systems. Planar samples were subjected to high dc electric stress for extended periods of time and space charge measurements taken using the laser induced pressure pulse (LIPP) technique. The results were compared with those obtained from the individual materials under the same experimental conditions.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132216510","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
A model of decrement of residual polarization in vinylidene fluoride trifluoroethylene copolymers with repeated polarization reversal 反复极化反转的偏氟乙烯-偏氟乙烯共聚物残余极化递减模型
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578239
M. Date, M. Kutani, S. Sakai
{"title":"A model of decrement of residual polarization in vinylidene fluoride trifluoroethylene copolymers with repeated polarization reversal","authors":"M. Date, M. Kutani, S. Sakai","doi":"10.1109/ISE.1996.578239","DOIUrl":"https://doi.org/10.1109/ISE.1996.578239","url":null,"abstract":"A kind of ferroelectric polymers, vinylidene fluoride/trifluoroethylene (VDF/TrFE) copolymer is a very competent material for a memory device in which the information is stored as the polarization arisen from dipolar orientation. However the disintegration of device quality, the decrease of residual polarization and/or the shift of the coercive field, with storage repetition is inevitable. Here we present a three nuclear states model for the degradation mechanism with storage repetitions. The agreement of the assumption is proved with the experimental results, the disintegration characteristics with various strength of applied field for VDF/TrFE (VDF 73%) copolymer.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132813210","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
Ac conductivity of poly(o-methoxyaniline) 聚邻甲氧基苯胺的交流电导率
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578060
J. S. Nogueira, L. Mattoso, R. Faria
{"title":"Ac conductivity of poly(o-methoxyaniline)","authors":"J. S. Nogueira, L. Mattoso, R. Faria","doi":"10.1109/ISE.1996.578060","DOIUrl":"https://doi.org/10.1109/ISE.1996.578060","url":null,"abstract":"The AC conductivity of doped poly(o-methoxyaniline) (POMA) films, at temperatures between 4.2 and 298 K has been measured. For low frequencies the real part of the conductivity, /spl sigma/(/spl omega/) is frequency-independent, and above a critical angular frequency /spl gamma/ it obeys an equation of the form /spl sigma/(/spl omega/)/spl prop//spl omega//sup s/. Both the DC conductivity /spl sigma//sub 0/ and the critical frequency /spl omega/ increases with the temperature, however the exponential factor s is a temperature-independent quantity it was also observed that above 10/sup 5/ Hz, /spl sigma/(/spl omega/) tends to a plateau. A nomadic polarization model of quasi-one-dimensional solids was used to fit the experimental results. Values for the bulk mobility, the carrier density and the transition rate of the intermolecular charge transfer were estimated.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130776918","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
Determination of electric properties of heterogeneous systems using the contact and noncontact scanning force microscopy (SFM) 用接触式和非接触式扫描力显微镜(SFM)测定非均相体系的电性能
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578094
E. Schulz, H. Sturm, W. Stark, V. Bovtoun
{"title":"Determination of electric properties of heterogeneous systems using the contact and noncontact scanning force microscopy (SFM)","authors":"E. Schulz, H. Sturm, W. Stark, V. Bovtoun","doi":"10.1109/ISE.1996.578094","DOIUrl":"https://doi.org/10.1109/ISE.1996.578094","url":null,"abstract":"With an extended contact and non-contact mode scanning force microscope samples with different heterogeneous electrical properties can be characterized. The contact mode method allows the determination of local electric conductivities of heterogeneous systems at the sample surfaces. An interpretation of this behaviour can be obtained in combination with other SFM modes such as topography, friction and compliance used simultaneously. The non-contact mode SFM allows to get more information about the local surface charge of heterogeneous samples. In this paper two new SFM approaches will be discussed on examples of carbon-fibre reinforced, organic and ceramic materials.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"1995 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131172048","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
The characterization of insulating materials using triangular signals of very high period 用高周期三角形信号表征绝缘材料
9th International Symposium on Electrets (ISE 9) Proceedings Pub Date : 1996-09-25 DOI: 10.1109/ISE.1996.578168
E. Neagu, R. Neagu, P. Pissis, D. Das-Gupta
{"title":"The characterization of insulating materials using triangular signals of very high period","authors":"E. Neagu, R. Neagu, P. Pissis, D. Das-Gupta","doi":"10.1109/ISE.1996.578168","DOIUrl":"https://doi.org/10.1109/ISE.1996.578168","url":null,"abstract":"A triangular symmetric signal of very high period is employed for the measurement of electrical properties at very low frequency. The response of an insulating material to such a signal is analyzed to determine dielectric properties including the complex permittivity, relaxation frequency and the dynamic resistance. The obtained values for dielectric permittivity are in good agreement with the values obtained in ac measurements. The dynamic resistance of the sample is small compared with the dc value. The passing from one polarization mechanism to another appears as a change in the slope of the measured current and so the charge responsible for a particular mechanism can be determined. The accumulation of space charge inside the sample is indicated by distortion of the signal. From the shape of the current at low fields it is concluded that the metal-dielectric contact is ohmic.","PeriodicalId":425004,"journal":{"name":"9th International Symposium on Electrets (ISE 9) Proceedings","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130913264","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信