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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Technolgy of materials preparation for the high sensitivity infrared detectors
 Novotný, Jan ; Zelinka, Jiří ; Franc, J.
Single crystals of triglycine sulphate (TGS) doped with L-alanin, lysin and with Co.sup.2+.sup., Cd.sup.2+.sup. and PO.sub.4./sub..sup.3-.sup. were grown from aqueous solutions by means of slow cooling method. Concentration of doping elements varied from 5 to 20mol. per cent. Morphology, domain structure and P-E hysteresis loops have been investigated. TGS single crystals doped with Co.sup.2+.sup. and PO.sub.4./sub..sup.3-.sup. show the inernal fields as high as 217 kV/m with peculiarities in the hysteresis loops. The best hysteresis loop has been obtained on TGS crystal doped with Lysin and Cd.sup.2+.sup. ions.
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Crystal growth from low-temperature solutions - theory and experiments
 Novotný, Jan
Growth of crystals from low-temperature solutions belong to extended methods to acquire of high quality single crystals. Presented work reports the basic theories of crystal growth from solutions and shows their applications to optimization of crystal qrowth conditions where goal is preparation of high quality of single crystals. Next are shown experimental results of preparation of optical non-linear crystals for optoelectronics obtained at crystal growth laboratory of IREE AS CR.
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