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International Journal of Inorganic Materials最新文献

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Control of the structure and properties of vanadium and manganese oxides through tailored soft synthesis 通过定制软合成控制钒锰氧化物的结构和性能
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00139-8
M.Stanley Whittingham, Peter Y. Zavalij
{"title":"Control of the structure and properties of vanadium and manganese oxides through tailored soft synthesis","authors":"M.Stanley Whittingham,&nbsp;Peter Y. Zavalij","doi":"10.1016/S1466-6049(01)00139-8","DOIUrl":"10.1016/S1466-6049(01)00139-8","url":null,"abstract":"<div><p><span>Vanadium and manganese oxides<span> can be readily synthesized using soft chemical approaches, such as hydrothermal, sol–gel, intercalation and ion-exchange. By controlling the pH and organic reactants/templates it is possible to control the structure formed by controlling the species in solution. In the case of vanadium, its coordination number increases as the pH decreases. It is found that the higher the vanadium coordination number the better the behavior of the oxide as a cathode material in lithium cells; tetrahedral vanadium is not reduced without destruction of the structure, whereas octahedral vanadium as in the delta double sheet structure holds its structure during reduction. Manganese oxides can also be synthesized using </span></span>hydrothermal methods, with layered structures formed when small cations are present and tunnel structures when larger cations or anions are present. A range of mixed vanadium manganese oxides has been prepared, the structure depending on the organic cation and vanadium-to-manganese ratio. In several cases these are pillared oxides, that readily react with intercalating cations.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1231-1236"},"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)00139-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85723933","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
Lattice strain in the epitaxial thin films of perovskites 钙钛矿外延薄膜中的晶格应变
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00144-1
O.Yu Gorbenko , M.A Novojilov , I.E Graboy , V.A Amelichev , A.A Bosak , I.V Nikulin , A.R Kaul , B Guettler , G Wahl , N.A Babushkina , L.M Belova , H.W Zandbergen
{"title":"Lattice strain in the epitaxial thin films of perovskites","authors":"O.Yu Gorbenko ,&nbsp;M.A Novojilov ,&nbsp;I.E Graboy ,&nbsp;V.A Amelichev ,&nbsp;A.A Bosak ,&nbsp;I.V Nikulin ,&nbsp;A.R Kaul ,&nbsp;B Guettler ,&nbsp;G Wahl ,&nbsp;N.A Babushkina ,&nbsp;L.M Belova ,&nbsp;H.W Zandbergen","doi":"10.1016/S1466-6049(01)00144-1","DOIUrl":"10.1016/S1466-6049(01)00144-1","url":null,"abstract":"<div><p><span>The epitaxial films<span> of perovskite manganites (La</span></span><sub>1−<em>x</em></sub>Pr<sub><em>x</em></sub>)<sub>0.7</sub>Ca<sub>0.3</sub>MnO<sub>3</sub> (<em>x</em><span>=0–1) and nickelates RNiO</span><sub>3</sub> (R=Pr, Nd, Sm, Gd) were grown by single source MOCVD on perovskite substrates producing anisotropic lattice strain in the film. We applied the data on the metal–insulator transition in the perovskite films as a probe for the microscopic strain mechanism. As a result, the anisotropic tilting of the rigid octahedra was deduced for the manganites and octahedra deformation for the nickelates.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1303-1305"},"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)00144-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89540777","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
Influence of the deposition configuration on the composition, structure and morphology of La0.6Y0.07Ca0.33MnO3−δ thin films obtained by pulsed laser deposition 沉积方式对脉冲激光沉积La0.6Y0.07Ca0.33MnO3−δ薄膜组成、结构和形貌的影响
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00153-2
C Ghica , M Valeanu , L.C Nistor , V Teodorescu , C Sandu , C Ristoscu , I.N Mihailescu , J Werckmann , J.-P Deville
{"title":"Influence of the deposition configuration on the composition, structure and morphology of La0.6Y0.07Ca0.33MnO3−δ thin films obtained by pulsed laser deposition","authors":"C Ghica ,&nbsp;M Valeanu ,&nbsp;L.C Nistor ,&nbsp;V Teodorescu ,&nbsp;C Sandu ,&nbsp;C Ristoscu ,&nbsp;I.N Mihailescu ,&nbsp;J Werckmann ,&nbsp;J.-P Deville","doi":"10.1016/S1466-6049(01)00153-2","DOIUrl":"10.1016/S1466-6049(01)00153-2","url":null,"abstract":"<div><p>We present a structural and morphological study on La<sub>0.6</sub>Y<sub>0.07</sub>Ca<sub>0.33</sub>MnO<sub>3−<em>δ</em></sub><span><span> (LYCMO) thin films<span> deposited by laser ablation onto MgO-buffered </span></span>silicon wafers using two deposition configurations named </span><em>on-axis</em> and <em>off-axis</em><span>. All thin films have been deposited at high temperatures in an oxygen atmosphere. A comparative study between the on-axis and off-axis samples is performed by transmission electron microscopy, electron diffraction and energy dispersive X-ray spectroscopy. The films are polycrystalline and show a columnar morphology. The off-axis sample shows a better crystalline texture, although slight compositional variations have been found.</span></p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1253-1256"},"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)00153-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83103529","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
Keyword Index Volume 3 关键词索引卷3
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00205-7
{"title":"Keyword Index Volume 3","authors":"","doi":"10.1016/S1466-6049(01)00205-7","DOIUrl":"https://doi.org/10.1016/S1466-6049(01)00205-7","url":null,"abstract":"","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages XXI-XXVI"},"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)00205-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138344985","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
Observation of the compensation law during oxygen diffusion in perovskite materials 氧在钙钛矿材料中扩散补偿规律的观察
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00107-6
A.V Berenov, J.L MacManus-Driscoll, J.A Kilner
{"title":"Observation of the compensation law during oxygen diffusion in perovskite materials","authors":"A.V Berenov,&nbsp;J.L MacManus-Driscoll,&nbsp;J.A Kilner","doi":"10.1016/S1466-6049(01)00107-6","DOIUrl":"10.1016/S1466-6049(01)00107-6","url":null,"abstract":"<div><p><span>In order to establish interrelationship between diffusional parameters, oxygen tracer diffusion data for a large number of perovskite materials with the general formula ATmO</span><sub>3</sub> (A=La, Sr, Ca, Ba; Tm=Mn, Cr, Co, Fe, Ti) were analysed. A linear relationship between the activation energy of oxygen tracer-diffusion and the logarithm of the pre-exponential coefficient, known as the compensation law, was observed regardless of the nature of A-site cations or the presence of vacancies. However, the slope and the intercept of the linear relationship were dependent on the nature of the transition metal in the B-site.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1109-1111"},"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)00107-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77111159","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: 12
Structure–property relations in doped perovskite oxides 掺杂钙钛矿氧化物的结构-性能关系
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00110-6
J.P Attfield
{"title":"Structure–property relations in doped perovskite oxides","authors":"J.P Attfield","doi":"10.1016/S1466-6049(01)00110-6","DOIUrl":"10.1016/S1466-6049(01)00110-6","url":null,"abstract":"<div><p><span>A review of experimental work on A cation size effects in perovskites such as AMnO</span><sub>3</sub><span> CMR materials, A</span><sub>2</sub>CuO<sub>4</sub> and ABa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<em>x</em></sub><span> superconductors and ATiO</span><sub>3</sub><span> ferroelectrics is presented. These show that the mean A cation radius and cation size variance are both important parameters that control properties. These parameters can be used to construct global phase diagrams for perovskites. A simple model is proposed to account for the dependences of transition temperatures upon these functionals.</span></p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1147-1152"},"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)00110-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74758529","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: 43
Improvement of optical and luminescent characteristics and radiation hardness of PbWO4 crystals by doping with Y, Sb, and Mo impurities 掺杂Y、Sb和Mo杂质改善PbWO4晶体的光学、发光特性和辐射硬度
International Journal of Inorganic Materials Pub Date : 2001-12-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00105-2
S Burachas , A Apanasenko , B Grinyov , V Ryzhikov , K Katrunov , M Starzhinskiy , M Ippolitov , V Manko , G Tamulaitis
{"title":"Improvement of optical and luminescent characteristics and radiation hardness of PbWO4 crystals by doping with Y, Sb, and Mo impurities","authors":"S Burachas ,&nbsp;A Apanasenko ,&nbsp;B Grinyov ,&nbsp;V Ryzhikov ,&nbsp;K Katrunov ,&nbsp;M Starzhinskiy ,&nbsp;M Ippolitov ,&nbsp;V Manko ,&nbsp;G Tamulaitis","doi":"10.1016/S1466-6049(01)00105-2","DOIUrl":"10.1016/S1466-6049(01)00105-2","url":null,"abstract":"<div><p>The influence of combined doping with Sb, Y and Mo, Y impurities on the optical transmittance, radiation hardness, intensity and spectra of X-ray luminescence of PbWO<sub>4</sub> scintillation crystals has been investigated. Doping the PbWO<sub>4</sub><span> crystals with Sb (100 ppm) and Mo (500 ppm) shifts the X-ray luminescence spectra from 430–450 to 520 nm region and increases its intensity and decay time. The highest intensity is observed in crystals simultaneously doped with all three dopants (Mo, Sb, Y). The results can be explained by formation of microinclusions of tungstenite phase in doped PWO crystals.</span></p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 8","pages":"Pages 1101-1103"},"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)00105-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84037170","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: 15
Electrical transport properties of erbium substituted Ni–Zn ferrites 铒取代镍锌铁氧体的电输运性质
International Journal of Inorganic Materials Pub Date : 2001-11-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00194-5
K Vijaya Kumar, D Ravinder
{"title":"Electrical transport properties of erbium substituted Ni–Zn ferrites","authors":"K Vijaya Kumar,&nbsp;D Ravinder","doi":"10.1016/S1466-6049(01)00194-5","DOIUrl":"10.1016/S1466-6049(01)00194-5","url":null,"abstract":"<div><p>Electrical transport properties such as electrical conductivity (<em>σ</em><span>) and thermoelectric power (</span><em>S</em><span>) of erbium<span> substituted Ni–Zn ferrites of various compositions have been investigated from room temperature to well beyond the Curie temperature. Plots of log (</span></span><em>σT</em>) versus 10<sup>3</sup>/<em>T</em> are linear and show a transition near the Curie temperature. On the basis of Seebeck coefficient (<em>S</em>), the ferrites under investigation have been classified as <em>n</em><span> type semiconductors. The activation energy in the ferrimagnetic region is in general less than that in the paramagnetic region. An attempt is made to explain the conduction mechanism in these ferrites. The properties of gadolinium substituted Ni–Zn ferrites have been correlated with these of erbium substituted Ni–Zn ferrites.</span></p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 7","pages":"Pages 661-666"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00194-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90522258","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: 22
Synthesis and characterization of a MoO3–pyrrolidinedithiocarbamate hybrid moo3 -吡咯烷二硫代氨基甲酸酯杂化物的合成与表征
International Journal of Inorganic Materials Pub Date : 2001-11-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00082-4
R.F de Farias
{"title":"Synthesis and characterization of a MoO3–pyrrolidinedithiocarbamate hybrid","authors":"R.F de Farias","doi":"10.1016/S1466-6049(01)00082-4","DOIUrl":"10.1016/S1466-6049(01)00082-4","url":null,"abstract":"<div><p>By using lamellar molybdenum trioxide, MoO<sub>3</sub>, and ammonium pyrrolidinedithiocarbamate (1-pyrrolidinecarbodithioic acid, ammonium salt), apdc, as precursors, an inorganic–organic intercalation hybrid of formula MoO<sub>3</sub><span>·0.54apdc was synthesized, which was characterized by CHN elemental analysis<span>, infrared spectroscopy, X-ray diffraction and SEM microscopy. After intercalation, the interlayer distance is increased from 0.7 (MoO</span></span><sub>3</sub>) to 1.2 nm (hybrid). The use of lamellar MoO<sub>3</sub> as a molecular sieve for apdc and similar organic species is proposed.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 7","pages":"Pages 931-935"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00082-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90287266","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: 12
Effects of rare earth ion substitution for Ca in (Bi,Pb):2223 superconductors 稀土离子取代(Bi,Pb):2223超导体中Ca的影响
International Journal of Inorganic Materials Pub Date : 2001-11-01 Epub Date: 2001-11-19 DOI: 10.1016/S1466-6049(01)00048-4
G Ilonca , A.V Pop , T.R Yang , I.Gr Deac , C Lung , R Stiufiuc , G Stiufiuc
{"title":"Effects of rare earth ion substitution for Ca in (Bi,Pb):2223 superconductors","authors":"G Ilonca ,&nbsp;A.V Pop ,&nbsp;T.R Yang ,&nbsp;I.Gr Deac ,&nbsp;C Lung ,&nbsp;R Stiufiuc ,&nbsp;G Stiufiuc","doi":"10.1016/S1466-6049(01)00048-4","DOIUrl":"10.1016/S1466-6049(01)00048-4","url":null,"abstract":"<div><p>The effect of partial replacement of Ca by Y, Er and Lu on the structural transport properties of (Bi<sub>1.6</sub>Pb<sub>0.4</sub>)(Sr<sub>1.8</sub>Ba<sub>0.2</sub>)(Ca<sub>1−<em>x</em></sub>R<sub><em>x</em></sub>)<sub>2</sub>Cu<sub>3</sub>O<sub><em>y</em></sub><span> superconductors ceramics (0≤</span><em>x</em>≤0.03) have been investigated. The substitution of Y, Lu and Er at the Ca site induced the decrease of the volume fraction for the 2223 phase and the increase of the 2212 and 2201 phases volume fractions. In the normal state, all the samples are characterized by a linear temperature dependence of electrical resistivity and Hall concentrations. The rate of depression for the critical temperature in <em>x</em>=0.02 samples found to be nearly the same for all of these substitutions. The nature of <em>T</em><sub>C</sub> suppression may be attributed to the increase of oxygen content in Bi<sub>2</sub>O<sub>2</sub> double layers with increasing Y, Lu and Er concentrations. The sample shows a linear dependence of intergranular temperature as a function of AC field amplitude, which is in agreement with the Müller critical state model.</p></div>","PeriodicalId":100700,"journal":{"name":"International Journal of Inorganic Materials","volume":"3 7","pages":"Pages 769-772"},"PeriodicalIF":0.0,"publicationDate":"2001-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1466-6049(01)00048-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86026615","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: 16
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