Zobrazeno 1 - 10
of 128
pro vyhledávání: '"W.A. Sunder"'
Publikováno v:
Journal of Crystal Growth. 118:277-286
Single crystal growth in the Heusler alloy system Ni 3- x Mn x Sn was explored using the Czochralski technique. For x close to 1.0, single crystals (as indicated by X-ray Laue pictures and metallography) were grown under an Ar atmosphere, in vitreous
Publikováno v:
Journal of Crystal Growth. 102:427-433
KTP, potassium titanyl phosphate (KTiOPO4) single crystals are the material of choice for frequency doubling Nd: YAG laser light to visible green. Solubility and P-V-T measurements were made at the conditions used in a new low temperature hydrotherma
Publikováno v:
Journal of Crystal Growth. 102:147-156
A comparison of the MBE growth of GaSb/AlSb strained-layer structures has been carried out for (001) and (111)B GaSb substrates. Optimal in vacuo cleaning procedures were found to differ and are delineated. The growth rate for (111)B is 10% larger th
Publikováno v:
Journal of Crystal Growth. 102:21-30
Czochralski growth of the system PtMn x Sb 2− x was investigated to explore its magnetic semiconducting potential. Using the LEC technique, PtSb 2 single crystals, p-type with ~ 10 18 carriers cm -3 , were obtained from BN crucibles; doping with Te
Publikováno v:
Journal of Fluorine Chemistry. 11:119-142
The reaction of O2F2 with polymeric VF5 in the temperature range -119 to -78°C leads first to the reaction intermediates . On increasing the temperature of this intermediate, a new compound O+2V2F-11 is formed which in turn decomposes rapidly at roo
Publikováno v:
Journal of Fluorine Chemistry. 14:299-325
Nitrosyl salts containing MF - 6 , MF = 6 , MF ≡ 6 , MF - 7 and MF = 8 (M = Cr, Mo, W, Re, Rh, Ru, Os, Ir, Pd, Pt, and Ru) have been synthesized using NOF + F 2 or NO with the appropriate metal or metal fluoride as reactants. All of the compounds w
Publikováno v:
Journal of Crystal Growth. 94:53-61
Unencapsulated Czochralski growth normal to the c axis was used to produce good quality Bi2Te3 single crystals. Growth was successful both in H2 and in an inert atmosphere with a seed rotation speed of 30 rpm and a pull rate of 12 mm/h. Residual acce
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 31:1207-1216
Raman spectra of a number of compounds containing O 2 + and NO + cations and various M F 6 − , M F 7 − and M 2 F 11 − anions are reported. Complete assignments are made for M F 6 − species while those proposed for M 2 F 11 − species are mor
Publikováno v:
Journal of Fluorine Chemistry. 12:397-412
IF 7 intercalates into graphite accompanied by the partial fluorination of the graphite host. The intercalated species was identified as IF 5 by IR and 19 F nmr spectroscopies. Mass spectrometric analyses of the gases evolved from the intercalate sho
Publikováno v:
Journal of Fluorine Chemistry. 11:629-635
The hydrolysis reactions of the hexafluorides of molybdenum and tungsten, the pentafluorides of niobium and tantalum and the tetrafluorides of zirconium and hafnium have been studied in liquid hydrogen fluoride. The following new compounds have been