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International Journal of Inorganic Materials最新文献

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Grain boundary phase transitions and phase diagrams 晶界相变和相图
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00108-8
B.B Straumal , P Ziȩba , W Gust
{"title":"Grain boundary phase transitions and phase diagrams","authors":"B.B Straumal ,&nbsp;P Ziȩba ,&nbsp;W Gust","doi":"10.1016/S1466-6049(01)00108-8","DOIUrl":"10.1016/S1466-6049(01)00108-8","url":null,"abstract":"<div><p>Grain boundary (GB) phase transitions can change drastically the properties of polycrystals. The GB wetting phase transition can occur in the two-phase area of the bulk phase diagram where the liquid (L) and solid (S) phases are in equlibrium. The GB wetting tie line appears in the L+S area. Above the temperature of the GB wetting phase transition a GB cannot exist in equlibrium with the liquid bulk phase. The liquid phase has to substitute the GB and to separate both grains. The experimental data on GB wetting phase transitions in the systems Al–Sn, Al–Ga, Al–Sn–Ga, Cu–In, Cu–Bi, Fe–Si–Zn, Mo–Ni, W–Ni, Zn–Sn and Zn–In are analysed. The GB wetting tie line can continue in the one-phase area of the bulk phase diagram as a GB solidus line. This line represents the GB premelting or prewetting phase transitions. The GB properties change drastically when the GB solidus line is crossed by a change in the temperature or concentration. The experimental data on GB segregation, energy, mobility and diffusivity in the systems Cu–Bi, Al–Ga, Al–Pb and Fe–Si–Zn obtained both in polycrystals and bicrystals are analysed.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1113-1115"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00108-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78695615","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: 63
Colloidal processing of cordierite-based glass-ceramics 堇青石基微晶玻璃的胶体加工
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00152-0
Sen Mei, Juan Yang, J.M.F Ferreira
{"title":"Colloidal processing of cordierite-based glass-ceramics","authors":"Sen Mei,&nbsp;Juan Yang,&nbsp;J.M.F Ferreira","doi":"10.1016/S1466-6049(01)00152-0","DOIUrl":"10.1016/S1466-6049(01)00152-0","url":null,"abstract":"<div><p>In this work, five levels of dispersant concentrations were used to prepare cordierite-based glass ceramic suspensions with different solid loadings. The Bingham model could be used to characterise rheological behaviour of 50 wt.% solid loaded suspensions, whereas it gradually changed to shear thickening at higher dispersant concentrations as the solid loadings further increased (60, 70 wt.%). A critical dispersant concentration, which provided the lowest stress, was obtained at 0.6 wt.% for Dolapix. The particle size ratio between cordierite and glass powder also plays an important role in rheological properties of the suspensions and green densities. The green density increased as the solid loadings in the suspensions further increased.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1249-1252"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00152-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80411460","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: 7
Nano-porous TiN thin films deposited by reactive sputtering method 反应溅射法制备纳米多孔TiN薄膜
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00124-6
Q Fang , J.-Y Zhang
{"title":"Nano-porous TiN thin films deposited by reactive sputtering method","authors":"Q Fang ,&nbsp;J.-Y Zhang","doi":"10.1016/S1466-6049(01)00124-6","DOIUrl":"10.1016/S1466-6049(01)00124-6","url":null,"abstract":"<div><p><span>Nano-porous TiN<span> thin films<span> deposited by a reactive sputtering process are reported. The effect of deposition parameters including sputtering power density, nitrogen partial pressure and deposition time on the thin film growth has been investigated. Crystallisation behaviour, chemical composition and microstructure of the deposited films were also investigated using X-ray diffraction, EDX and scanning electron microscopy. A test cell of Na(l)/beta” alumina/TiN was set up and tested at the temperature range of 600–800°C, in order to investigate the cell power density and the interfacial electrical property between the electrolyte and TiN electrode. The maximum power density of 0.20 W cm</span></span></span><sup>−2</sup> could be achieved with a large electrode area of 30 cm<sup>2</sup> at 800°C. The effect of microstructure of the nanometer size thin film electrodes on the conductive property has been studied and discussed.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1193-1196"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00124-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91371797","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
Self-tuning MOCVD approach to the growth of very smooth La1−xPbxMnO3 thin films La1−xPbxMnO3薄膜生长的自调谐MOCVD方法
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00104-0
A.A Bosak, S.V Samoilenkov, O.Yu Gorbenko, A.N Botev, A.R Kaul
{"title":"Self-tuning MOCVD approach to the growth of very smooth La1−xPbxMnO3 thin films","authors":"A.A Bosak,&nbsp;S.V Samoilenkov,&nbsp;O.Yu Gorbenko,&nbsp;A.N Botev,&nbsp;A.R Kaul","doi":"10.1016/S1466-6049(01)00104-0","DOIUrl":"10.1016/S1466-6049(01)00104-0","url":null,"abstract":"<div><p>A new approach to the growth of complex oxide films free of any secondary phases using the volatile component was developed. The technique consists in a self-tuning of the oxide film composition during the growth due to the evaporation of the excess PbO. It was successfully used for the MOCVD growth of very smooth single phase La<sub>1−<em>x</em></sub>Pb<sub><em>x</em></sub>MnO<sub>3</sub> (<em>x</em><span>=0.1–0.6) films on perovskite substrates and MgO at a deposition rate of ∼1 μm</span> <!-->h<sup>−1</sup><span>. High quality of the films was explained by the presence of quasi-liquid PbO surface layer activating the surface diffusion during the growth.</span></p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1097-1099"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00104-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77223921","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
Stacking fault analysis in layered materials 层状材料的层错分析
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00143-X
H Dittrich, M Wohlfahrt-Mehrens
{"title":"Stacking fault analysis in layered materials","authors":"H Dittrich,&nbsp;M Wohlfahrt-Mehrens","doi":"10.1016/S1466-6049(01)00143-X","DOIUrl":"10.1016/S1466-6049(01)00143-X","url":null,"abstract":"<div><p>Ordered and disordered stacking sequences in graphite and Li-intercalated graphite were modelled. The X-ray powder patterns were simulated by the diffracted intensities from faulted xtals (DIFFaX) program. Resulting diffraction patterns show characteristic differences for hexagonal, rhombohedral and statistical intermixed stacking orders. For this reason, simulated patterns can be used for quantitative analysis of stacking faults by profile fitting, using the DIFFaX simulation parameters as fit parameters.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1137-1142"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00143-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77209239","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
Influence of synthesis method on the microstructure of Sr3−xLaxMn2O7: a combined HREM, EELS and X-ray study 合成方法对Sr3−xLaxMn2O7微观结构的影响:HREM、EELS和x射线联合研究
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00116-7
M.T Caldes, G Goglio, C Marhic, O Joubert, M Lancin, L Brohan
{"title":"Influence of synthesis method on the microstructure of Sr3−xLaxMn2O7: a combined HREM, EELS and X-ray study","authors":"M.T Caldes,&nbsp;G Goglio,&nbsp;C Marhic,&nbsp;O Joubert,&nbsp;M Lancin,&nbsp;L Brohan","doi":"10.1016/S1466-6049(01)00116-7","DOIUrl":"10.1016/S1466-6049(01)00116-7","url":null,"abstract":"<div><p>The relationship between synthesis method and type of intergrowth defects observed in the Sr<sub>3−<em>x</em></sub>La<sub><em>x</em></sub>Mn<sub>2</sub>O<sub>7</sub> series (1≤<em>x</em>≤1.35) with nominal composition has been studied. Self-combustion and ceramic methods were used to prepare the samples. For the same Sr/La ratio, several kinds of intergrowth defects are usually observed in samples prepared by self-combustion, whereas in samples prepared by the ceramic method, their existence is quite unusual. Moreover, the number of K<sub>2</sub>NiF<sub>4</sub><span>-type defects decreases when the La content increases. An EELS study of Mn L</span><sub>2,3</sub> edges, performed either on the 2D phase or on the defects, has shown a homogeneity of the samples with respect to the Mn<sup>3+</sup>/Mn<sup>4+</sup> ratio.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1169-1171"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00116-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82662051","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: 5
Relationship between growth conditions, thermodynamic properties and crystal structure of SiC SiC生长条件、热力学性质与晶体结构的关系
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00126-X
A Fissel
{"title":"Relationship between growth conditions, thermodynamic properties and crystal structure of SiC","authors":"A Fissel","doi":"10.1016/S1466-6049(01)00126-X","DOIUrl":"10.1016/S1466-6049(01)00126-X","url":null,"abstract":"<div><p>The growth of certain SiC polytypes in the molecular beam epitaxy (MBE) was analysed within the framework of classical thermodynamic nucleation theory. It is demonstrated that the formation of certain polytypes in the nucleation stage is due to a complex interplay between their differences in the surface and formation energy as well as the growth conditions. Based on these considerations, the estimations clearly indicate that the formation of the 3C-SiC polytype is preferred at Si-rich conditions or low temperatures, whereas the hexagonal polytypes occur at C-rich conditions or higher temperatures in agreement to experimental findings.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1273-1275"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00126-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74923721","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: 5
International Journal of Inorganic Materials – merger with Solid State Sciences 国际无机材料杂志-与固体科学合并
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00203-3
{"title":"International Journal of Inorganic Materials – merger with Solid State Sciences","authors":"","doi":"10.1016/S1466-6049(01)00203-3","DOIUrl":"https://doi.org/10.1016/S1466-6049(01)00203-3","url":null,"abstract":"","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Page 1095"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00203-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138306216","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
Study of the electrochemical synthesis of selective black coatings absorbing solar energy 选择性吸收太阳能的黑色涂料的电化学合成研究
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00154-4
V Moise, R Cloots, A Rulmont
{"title":"Study of the electrochemical synthesis of selective black coatings absorbing solar energy","authors":"V Moise,&nbsp;R Cloots,&nbsp;A Rulmont","doi":"10.1016/S1466-6049(01)00154-4","DOIUrl":"10.1016/S1466-6049(01)00154-4","url":null,"abstract":"<div><p>To set up a reproducible electrochemical preparation process of a black, adhesive and homogeneous film on a metallic substrate with well-defined optical and mechanical properties, we need to control all the electrochemical parameters and to understand their influence. For so doing, different coatings have been prepared in various conditions and their microstructures have been correlated with the synthesis parameters as well as the physical properties. Chromium oxide films on nickel-coated copper metallic substrates have been deposited from a chromate bath. In this paper, we present the evolution of the microstructure of the deposits according to some experimental parameters, more specifically the concentration of the hexafluorosilicic acid and trivalent chromium ions present in the electrochemical bath used in our experiments. A marked difference in the particle morphology has been put into evidence by modifying the source of the trivalent chromium ions: (i) from the addition of sucrose to the solution containing hexavalent chromium ions or (ii) from the addition of a trivalent chromium salt to the bath.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1323-1329"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00154-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87967320","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: 18
Partial carbonization of aromatic polyimide films 芳香族聚酰亚胺薄膜的部分碳化
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00106-4
M Doyama, A Ichida, Y Inoue, Y Kogure, T Nozaki, S Yamada
{"title":"Partial carbonization of aromatic polyimide films","authors":"M Doyama,&nbsp;A Ichida,&nbsp;Y Inoue,&nbsp;Y Kogure,&nbsp;T Nozaki,&nbsp;S Yamada","doi":"10.1016/S1466-6049(01)00106-4","DOIUrl":"10.1016/S1466-6049(01)00106-4","url":null,"abstract":"<div><p><span>Aromatic polyimide films are partially carbonized between 700 and 1000°C in an atmosphere of hydrogen or nitrogeit electrical conductivity and Hall coefficient have been measured. Electrical conductivity is higher at higher measuring temperatures. The electrical conductivity </span><em>σ</em> can be expressed as <span><math><mtext>σ=σ</mtext><msub><mi></mi><mn>0</mn></msub><mspace></mspace><mtext>exp</mtext><mtext>(−E/kT)</mtext></math></span>, where <em>k</em> is the Boltzman constant; <em>T</em> is the absolute temperature; <em>E</em> depends upon the carbonized temperature. The experimental data show the Hall coefficient <em>R</em><sub>H</sub> is negative, and this implies the majority carriers are negatively charged, i.e. electrons. The specimens are n-type semiconductors. The carrier density <em>η</em> can be expressed by <span><math><mtext>η=A</mtext><msub><mi></mi><mn>1</mn></msub><mspace></mspace><mtext>exp</mtext><mtext>(−E</mtext><msub><mi></mi><mn>1</mn></msub><mtext>/kT)</mtext></math></span><span> and carrier mobility </span><em>μ</em> can be expressed by <span><math><mtext>μ=A</mtext><msub><mi></mi><mn>2</mn></msub><mspace></mspace><mtext>exp</mtext><mtext>(E</mtext><msub><mi></mi><mn>2</mn></msub><mtext>/kT)</mtext></math></span>. <em>E</em>, <em>E</em><sub>1</sub> and <em>E</em><sub>2</sub> depend upon the carbonized temperature.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1105-1107"},"PeriodicalIF":0.0,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00106-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81930781","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: 4
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