-
Article
Spark plasma sintering and decomposition of the Y3NbO7:Eu phase
The spark plasma sintering (SPS) of Eu3+-doped Y3NbO7 niobate phase was investigated to obtain dense ceramics. Although SPS allowed obtaining high-density ceramics, decomposition of the niobate phase occurred at ...
-
Article
Crystal Structure of A2+ (Mg1/3Nb2/3)O3, (A2+ = Sr2+ and Ca2+) Ceramics
-
Article
Effect of addition of the CuO-Fe2O3 system on the electromagnetic wave absorbing properties of sintered ferrite
The effects of the addition of the CuO-Fe2O3 system as a liquid former on the microstructure and electromagnetic wave absorbing property of sintered Ni-Zn ferrite were investigated. The CuO-Fe2O3 system, a spinel...
-
Article
The direct bonding between copper and MgO-doped Si3N4
An application of direct bonding method for copper to silicon nitride (Si3N4) joining was investigated. Si3N4 was sintered with 5wt% MgO at 1700 ° C for 30 min in nitrogen atmosphere, and oxidized at various temp...
-
Article
Conformational studies of copoly (N 5-ω-hydroxyalkyl-L-glutamine-L-glutamic acid)s
Copoly (α-amino acid)s consisting ofL-glutamic acid residue andN 5-ω hydroxyalkyl-L-glutamine residue, i.e., 2-hydroxyethyl, 3-hydroxypropyl, and di-2-hydroxyethyl derivatives were prepared by the reactions of co...
-
Article
Wachstumsmechanismus der Kristalle von Glyein-L-Alanin-Copolymeren während der Polymerisation
-
Article
Kristallisation von Polypeptiden während der Polymerisation. 5. Mitt. Einfluß der sterischen Hinderung auf das Kristallwachstum durch die Seitenketten