Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Darius Jasaitis"'
Publikováno v:
Medžiagotyra, Vol 17, Iss 3, Pp 302-307 (2011)
In the present work, the sinterability and formation of nanosized yttrium iron garnet (Y3Fe5O12), yttrium perovskite ferrite (YFeO3), cobalt, nickel and zinc iron spinel (CoFe2O4, NiFe2O4 and ZnFe2O4, respectively) powders by an aqueous sol-gel proce
Externí odkaz:
https://doaj.org/article/0237edbf57f645bd85b97ddc4eddd952
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 4, Pp 479-486 (2008)
A sol–gel method was applied to prepare precursors for NdBa2Cu3O7-x (Nd-123) and SmBa2Cu3O7-x (Sm-123) superconducting compounds. The sintered products were examined by X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The po
Externí odkaz:
https://doaj.org/article/fef4951544984e889d6a00f103b92d0a
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 8-9, Pp 677-684 (2003)
A sol-gel method has been developed to prepare pure yttrium aluminum garnet, Y3Al5O12 (YAG), and rare-earth substituted (Ce-Y3Al5O12, Nd-Y3Al5O12, Ho-Y3Al5O12, and Er-Y3Al5O12) samples. The XRD patterns of the polycrystalline powders sintered at 1000
Externí odkaz:
https://doaj.org/article/2d8c103baddb4263ac18af2498068890
Autor:
Darius Jasaitis, Jurate Staneviciute, Janina Didziapetriene, Rimas Jonas Jankunas, Donatas Stakišaitis
Publikováno v:
Trace Elements and Electrolytes. 32:192-196
Autor:
Jurate Senvaitiene, Algirdas Selskis, Aivaras Kareiva, Darius Jasaitis, Remigijus Juskenas, Rimantas Raudonis, Dalia Jonynaite
Publikováno v:
Open Chemistry, Vol 10, Iss 5, Pp 1574-1583 (2012)
In the present work, the formation of cobalt aluminium spinel (CoAl2O4) as well as novel cobalt neodymium-aluminates with nominal compositions of CoAl1.75Nd0.25O4, CoAl1.5Nd0.5O4 and CoAlNdO4 by an aqueous sol-gel process and the sinterability of the
Publikováno v:
Journal of Mathematical Chemistry. 50:2291-2302
Recently, we presented a method for estimation of the diffusion and reaction rates of synthesis at high temperatures using limited information, such as synthesis time and dimensions of reactants, from real laboratory experiments (Mackevicius et al. i
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 90:173-178
In this study the formation of chromium substituted YBa2Cu4O8 (Y-124) superconductors has been investigated by TG/DTA measurements. The YBa2(Cu1−xCrx)4O8 ceramics with nominal compositions of x=0.01, 0.03, 0.05, 0.10 and 0.20 have been prepared by
Publikováno v:
Chemical Physics. 332:225-231
Superconducting YBa 2 (Cu 1− x Cr x ) 4 O 8 ( x = 0.01; 0.03; 0.05; 0.10; 0.20) oxides have been synthesized by the aqueous sol–gel method. Effects of chromium substitutions on the properties of compounds were studied by resistivity measurements,
Autor:
Darius Jasaitis, Aldona Beganskiene, Hao Shen, Sanjay Mathur, Vladimir Sivakov, Rasa Rapalaviciute, I. Muliuoliene, Aivaras Kareiva
Publikováno v:
Optical Materials. 22:241-250
A sol–gel method based on in situ generation of mixed-metal chelates by complexing metal ions with 1,2-ethanediol in aqueous media has been developed to prepare pure and substituted yttrium aluminium garnets: Y3Al5O12 (YAG), Y3Sc2Al1Ga2O12 (YSAGG-3
Publikováno v:
Vibrational Spectroscopy. 28:263-275
Systematic investigation of sol–gel process in the Y–Ba–Cu–O acetate–tartrate system was performed using IR spectroscopy. Different values of synthesis parameters (temperature and duration of inorganic polymerization reactions, evaporation