全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:SLOBODANKA KOSTIC , ALEKSANDAR GOLUBOVIC , ANDREJA VALCIC
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2009, Vol.74 (1), pp.61DOAJ
摘要:Ni-based superalloy single crystals were grown by different methods (gradient method and Bridgman technique with spontaneous nucleation and with seed). In all crystal growth experiments using the Bridgman technique, the temperature gradient along the vertical furnace axes wa...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2005, Vol.70 (1), pp.87DOAJ
摘要:Ruby (Cr:Al2O3) single crystals were grown by the Czochralski technique in an argon atmosphere. The critical crystal diameter dc = 1.0 cm and the critical rate of rotation wc = 20 rpm were calculated by equations of the hydrodynamics of the melt. The rate of crystal growthwas exp...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2003, Vol.68 (12), pp.1001DOAJ
摘要:CaWO4 doped with 0.8 % at. Nd (Nd:CaWO4) single crystals were grown from the melt in air by the Czochralski technique. The critical diameter dc = 1.0 cm and the critical rate of rotation wc = 30 rpm were calculated from hydrodynamic equations for buoyancy-driven and forced convec...
作者:ALEKSANDAR GOLUBOVIC , RADOS GAJIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2004, Vol.69 (6), pp.493DOAJ
摘要:LiNbO3 single crystals were grown by the Czochralski technique in an air atmosphere. The critical crystal diameter Dc = 1.5 cm and the critical rate of rotation wc = 35 rpm were calculated by equations from the hydrodynamics of the melt. The domain inversion was carried out at 14...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2004, Vol.69 (12), pp.1121DOAJ
摘要:Pb1-xMnxTe crystals were grown by the vertical Bridgman method. Their structural properties were observed both by optical microscopy after chemical polishing and ething, and by X-ray powder diffraction analysis. A solution of 5 vol. % Br2 in HBr at room temperatur, for an exposur...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2002, Vol.67 (4), pp.279DOAJ
摘要:Single crystals of Bi12SiO20 were grown from the melt by the Czochralski technique. The critical crystal diameter dc = 10 mm and the critical rate of rotation wc = 20 rpm were calculated by equations from the hydrodynamics of a melt. The rate of crystal growth was experiment...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2002, Vol.67 (4), pp.291DOAJ
摘要:Y3Al5O12 doped with 0.8 % wt. Nd (Nd:YAG) single crystals were grown by the Czochralski technique under an argon atmosphere. The conditions for growing the Nd: YAG single crystals were calculated by using a combination of Reynolds and Grashof numbers. The critical crystal di...
作者:ALEKSANDAR GOLUBOVIC , RADOS GAJIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2000, Vol.65 (5-6), pp.381DOAJ
摘要:LiNbO3 single crystals were grown by the Czochralski technique in an air atmosphere. The critical crystal diameter Dc = 1.5 cm and the critical rate of rotation wc = 35 rpm were calculated from the dynamic of fluids equations for buoyancy-driven and forced convections under which...
作者:ALEKSANDAR GOLUBOVIC , RADOS GAJIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 2000, Vol.65 (9), pp.611DOAJ
摘要:Bi12GeO20 single crystals were grown by the Czochralski technique. Suitable polishing and etching solutions were determined. Reflection spectra were recorded in the wave numbers range 20–5000 cm–1, and compared with the spectra of Bi12SiO20 single crystals to study the posit...
作者:ALEKSANDAR GOLUBOVIC , SLOBODANKA NIKOLIC ...
来源:[J].Journal of the Serbian Chemical Society(IF 0.912), 1999, Vol.64 (10), pp.637DOAJ
摘要:Single crystals of LiNbO3 were grown by the Czochralski technique in an air atmosphere. The critical diameter and the critical rate of rotation were calculated. X-Ray measurements of the powder were carried out to obtain the lattice parameters. The optical constants were calculat...

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