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The growth of mixed alkaline-earth fluorides for laser host applications
Publication date: March 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issue 1 Author(s): J.T. Mouchovski , K.A. Temelkov , N.K. Vuchkov A comprehensive analysis is implemented concerning the growth, properties, and applications of doped–co-doped single and mixed alkali earth fluoride systems. Calcium–strontium fluoride solid solutions with a Sr content proportion varying widely between 0.007 and 0.675 mol.% are obtained as a batch of axis-symmetrical boules grown by a Bridgman–Stockbarger (BS) method. The crystallization front (CF) can be controlled to retain a convex CF...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

An overview on the processing of polymers growth rate data and on the methods to verify the accuracy of the input parameters in crystallization regime analysis
Publication date: June–September 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issues 2–3 Author(s): Maria Raimo This work reviews criteria for the successful application of regime analysis to polymers and also discusses the influence of accuracy of input variables on the results. Despite that it has often been stated that the uncertainty in the input parameters remarkably affects the trustworthiness of the outcomes of the regime analysis, the literature offers on the subject only a fragmentary information and there is no paper looking over all the effects of accuracy of the ...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Ordering and magnetostriction in Fe alloy single crystals
Publication date: June–September 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issues 2–3 Author(s): S. Guruswamy , G. Garside , C. Ren , B. Saha , M. Ramanathan Short-range and long-range ordering in α-Fe terminal solid solution phase (A2 phase with bcc structure) influences its physical, mechanical, magnetic and magnetostrictive behavior. Single crystal sample forms are ideal for examining order in these alloys using X-ray and neutron scattering techniques. Limited structural information available suggests that the lattice of A2 phase at room temperature contains a mix...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Low-temperature wet chemical precipitation of YVO4:Bi3+,Eu3+ nanophosphors via citrate precursors
Publication date: December 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issue 4 Author(s): Satoru Takeshita , Tetsuhiko Isobe , Tomohiro Sawayama , Seiji Niikura YVO4:Bi3+,Eu3+ nanophosphors are prepared by low-temperature wet chemical precipitations in the presence of citrate ions. Transparently dispersed YVO4:Bi3+,Eu3+ nanophosphors crystallize from amorphous gel precursors through a gel-sol process. The homogeneity of Bi3+ doping process as well as the photoluminescence property are improved by using the homogeneous Bi3+ solution as a Bi3+ source instead of Bi3+ powder. YV...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Rapid synthesis of tin-doped indium oxide microcrystals in supercritical water using hydrazine as reducing agent
This study demonstrates that due to the unique properties of SCW, the synthesis of doped oxides in SCW is a plausible alternative method. (Source: Progress in Crystal Growth and Characterization of Materials)
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Hydrothermal epitaxy of BiFeO3 films on SrTiO3 substrates
Publication date: December 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issue 4 Author(s): A. Huang , A.D. Handoko , G.K.L. Goh , S.R. Shannigrahi , C.K. Tan Epitaxial multiferroic BiFeO3 thin films were grown on SrTiO3 substrates by the hydrothermal method at 200 °C in aqueous solutions of 6–12 M KOH. Films grown at 9 M were the most coalesced with a dense and island-like morphology. It was also the most well aligned film with a full width at half maximum of 0.436. Irrespective of whether the substrates for the 9 M KOH condition were in the face-up and face-down conf...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Solvothermal synthesis of cerium oxides
Publication date: December 2011 Source:Progress in Crystal Growth and Characterization of Materials, Volume 57, Issue 4 Author(s): Richard I. Walton A review of the various hydrothermal and solvothermal methods that have been used for the preparation of cerium oxides is presented. Much work has focussed on the preparation of cerium dioxide (ceria) and its doped analogues because of their extensive applications in catalysis, solid-oxide fuel cells and other technologies. It is shown how the solvothermal method offers a number of distinct advantages in the one-step formation of ceria materials, including control of crys...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Functional one, two, and three-dimensional ZnO structures by solvothermal processing
Publication date: March 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issue 1 Author(s): Dirk Ehrentraut , Katsushi Fujii , Jürgen Riegler , K. Byrappa , Martin Nikl , Tsuguo Fukuda Crystalline zinc oxide (ZnO) has been fabricated by solvothermal techniques under quite different temperature and pressure environment stretching from sub- to supercritical conditions. Among them, one-step processing of inorganic–inorganic hybrid ZnO structures based on ZnO substrate with attached ZnO nanocrystals has been challenged. Combination of doping ions was made to yield ZnO structures...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Synthesis and morphology control of surface functionalized nanoscale yttrium aluminum garnet particles via supercritical hydrothermal method
Publication date: March 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issue 1 Author(s): Ameneh Sahraneshin , Seiichi Takami , Kimitaka Minami , Daisuke Hojo , Toshihiko Arita , Tadafumi Adschiri Organic-functionalized nanoscale yttrium aluminum garnet (YAG) particles were synthesized via a simple rapid supercritical hydrothermal method in the presence of oleylamine and oleic acid as organic surface modifiers. The presence of the organic molecules resulted in the various morphologies of the produced YAG particles, including cubic, spherical and chainlike structures. Because ...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Novel solution routes of synthesis of metal oxide and hybrid metal oxide nanocrystals
Publication date: March 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issue 1 Author(s): K. Namratha , K. Byrappa Novel solution routes covering a wide range of processes like hydrothermal, solvothermal and supercritical techniques have been described in detail with reference to the processing of a wide range of advanced inorganic nanocrystalline materials and organic-inorganic hybrid nanocrystalline materials. The significance of the thermochemical calculations, in situ surface modification and the experimental parameters has been discussed. One step in situ fabrication of adva...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Controlled continuous hydrothermal synthesis of cobalt oxide (Co3O4) nanoparticles
Publication date: March 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issue 1 Author(s): Ed Lester , Gabriele Aksomaityte , Jun Li , Sara Gomez , Jose Gonzalez-Gonzalez , Martyn Poliakoff Cubic Co3O4 nanoparticles have been produced hydrothermally by mixing high temperature water (sub-, near to supercritical) with an aqueous cobalt acetate precursor at high pressure. The relationship between operating variables such as synthesis temperature and residence time on particle size and conversion rate was examined. An increasing nanoparticle size was observed when synthesis temper...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Novel solution processing technologies
Publication date: March 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issue 1 (Source: Progress in Crystal Growth and Characterization of Materials)
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Novel solution processing technologies : Additional papers
Publication date: June–September 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issues 2–3 (Source: Progress in Crystal Growth and Characterization of Materials)
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Doped-metal oxide nanoparticles for use as photocatalysts
Publication date: June–September 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issues 2–3 Author(s): C. Siriwong , N. Wetchakun , B. Inceesungvorn , D. Channei , T. Samerjai , S. Phanichphant Nano-sized doped-metal oxides such as Fe-doped TiO2, WO3-doped ZnO and Fe-doped CeO2 were synthesized by the modified sol-gel/impregnation, flame spray pyrolysis and homogeneous precipitation/impregnation methods respectively. The crystalline phase, particles size, and crystallinity of nano-sized powder were analyzed by X-ray diffraction (XRD) and transmission electron microscopy (T...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research

Solution epitaxy of patterned ZnO nanorod arrays by interference lithography
Publication date: June–September 2012 Source:Progress in Crystal Growth and Characterization of Materials, Volume 58, Issues 2–3 Author(s): Hong Quang Le , Gregory Kia Liang Goh , Jing Hua Teng , Ah Bian Chew , Swee Kuan Lim Aligned ZnO nanorods with controllable size and tunable pattern pitch were grown at 90 °C in aqueous solutions by employing a nano-pattern fabricated by interference lithography. This method gave perfectly c-axis aligned ZnO nanorods arrays. The optical properties are significantly enhanced by a post-growth treatment combining thermal and plasma treatments. The photoluminescence intensit...
Source: Progress in Crystal Growth and Characterization of Materials - October 12, 2014 Category: Chemistry Source Type: research