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@article{574121, author = {Chromá, Markéta and Pinkas, Jiří and Pakutinskiene, Irma and Beganskiene, Aldona and Kareiva, Aivaras}, article_location = {Amsterdam}, article_number = {8}, keywords = {Powders: chemical preparation; Solgel processes; Perovskites}, language = {eng}, issn = {0272-8842}, journal = {Ceramics International}, title = {Processing and characterization of sol-gel fabricated mixed metal aluminates}, volume = {31}, year = {2005} }
TY - JOUR ID - 574121 AU - Chromá, Markéta - Pinkas, Jiří - Pakutinskiene, Irma - Beganskiene, Aldona - Kareiva, Aivaras PY - 2005 TI - Processing and characterization of sol-gel fabricated mixed metal aluminates JF - Ceramics International VL - 31 IS - 8 SP - 1123-1130 EP - 1123-1130 PB - Elsevier SN - 02728842 KW - Powders: chemical preparation KW - Solgel processes KW - Perovskites N2 - Nanocrystalline lanthanum aluminate (LaAlO3, LAP) and Sr-substituted LAP ceramics were synthesized by sol-gel processes using mixtures of inorganic salts of the respective elements. The metal ions, generated by dissolving metal nitrates or acetates in acetic acid and/or water were complexed by 1,2-ethanediol to obtain the precursor for LAP. The XRD patterns of the LaAlO3 and La1-xSrxAlO3-d (x < 0.50) ceramic sintered at 1000 C were almost identical with the perovskite LAP composition. The phase transformations, composition and microstructural features in the gels and polycrystalline samples were studied by thermal analysis (TG/DTA), powder X-ray diffraction analysis (XRD), infrared spectroscopy (IR), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and inductively coupled argon plasma emission spectroscopy (ICP). The quality of the resulting products (homogeneity, crystallisation temperature, grain size and grain size distribution, etc.) of the chimie douce synthetic route is discussed. ER -
CHROMÁ, Markéta, Jiří PINKAS, Irma PAKUTINSKIENE, Aldona BEGANSKIENE a Aivaras KAREIVA. Processing and characterization of sol-gel fabricated mixed metal aluminates. \textit{Ceramics International}. Amsterdam: Elsevier, 2005, roč.~31, č.~8, s.~1123-1130. ISSN~0272-8842.
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