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Publikováno v:
Crystal Research and Technology. 48:348-354
Nano-structured anodic alumina membranes are ideal templates and have wide applications. However, anodic alumina materials begin to curl up at high temperatures. To better understand and overcome this problem, the thermal stability of anodic alumina
Publikováno v:
Crystal Research and Technology. 45:1025-1031
A partially corroded fragment of the neck guard of a Roman cavalry helmet excavated in the former military camp of Gerulata, a part of the Limes Romanus on the River Danube, was analysed by laboratory X-ray, synchrotron and neutron powder diffraction
Publikováno v:
Crystal Research and Technology. 44:707-712
Morphology of vanadium slags were investigated by scanning electron microscopy (SEM). The mineralogical phases were characterized by energy disperse X-ray spectrometry (EDS) and powder X-ray diffraction (XRD). The obtained results show that spinels a
Publikováno v:
Crystal Research and Technology. 39:548-557
Pure and gallium or lanthanum substituted MgCu ferrites, Mg 0 . 5 Cu 0 . 5 Fe 2 - x M x O 4 (with x = 0 or 0.2 and M = La or Ga) have been prepared by solid state reaction. Sintering experiments were carried out at different temperatures between 900
Autor:
R. Triboulet
Publikováno v:
Crystal Research and Technology. 38:215-224
Experimental results related to the growth by solid state recrystallization of different semiconductors such as HgCdTe, HgMnTe, CdTe, ZnSe and ZnS are reported and reviewed. The importance of the initial texture and of the deviation from stoichiometr
Publikováno v:
Crystal Research and Technology. 28:919-924
In copper pipework, at work for about four years, blue coloured striations or areas, mainly composed of posnjakite (Cu4(OH)6SO4 · H2O), were found (water chemistry (room temperature): pH = 8.1; SO4 = 24 mg/l; Cl = 16 mg/l; O2 = 10 mg/l). Moreover cu
Publikováno v:
Crystal Research and Technology. 30:K43-K45
Publikováno v:
Crystal Research and Technology. 17:173-180
In-situ studies of chemical reactions and transport processes occurring in powderous rection media during the production of refractory layers on metallic substrates are impossible. However, results of the studies of the layers formed by means of suit
Publikováno v:
Crystal Research and Technology. 20:397-400
Alloy properties can considerably be improved by the addition of small amount of alloying elements, which might cause the decrease of production cost, as well. Transition metals are generally applied as addition elements in age-hardenable aluminium a
Publikováno v:
Crystal Research and Technology. 20:537-540
The quality and quantity of intermetallic compounds in a commercial aluminium alloy based on 99.5% Al purity are responsible for the final properties of products. Compositional and spatial distribution of intermetallics in the matrix are determined b