Zobrazeno 1 - 10
of 648
pro vyhledávání: '"R. Kniep"'
Publikováno v:
Science and Technology of Advanced Materials, Vol 8, Iss 5, p 341 (2007)
Ternary phases in the systems Zr–As–Se and Zr–As–Te were studied using single crystals of ZrAs1.40(1)Se0.50(1) and ZrAs1.60(2)Te0.40(1) (PbFCl-type of structure, space group P4/nmm) as well as ZrAs0.70(1)Se1.30(1) and ZrAs0.75(1)Te1.25(1) (Nb
Externí odkaz:
https://doaj.org/article/722938e1f3384df8abb1aca6cb864339
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Autor:
T, Cichorek, L, Bochenek, M, Schmidt, A, Czulucki, G, Auffermann, R, Kniep, R, Niewa, F, Steglich, S, Kirchner
Publikováno v:
Physical review letters. 117(10)
We address the origin of the magnetic-field-independent -|A|T^{1/2} term observed in the low-temperature resistivity of several As-based metallic systems of the PbFCl structure type. For the layered compound ZrAs_{1.58}Se_{0.39}, we show that vacanci
Autor:
R. Kniep
Publikováno v:
Nachrichten aus der Chemie. 58:419-423
Publikováno v:
Inorganic Chemistry. 48:2277-2284
Single crystals of CeAsSe were synthesized by a reaction of the elements using iodine as a mineralization agent at 900 degrees C. The crystal structure was established from single crystal X-ray diffraction data and obtained from a pseudomerohedricall
Publikováno v:
Solid State Phenomena. 106:75-78
Opal is a natural nanostructure model. It possesses nanosized close packed silica spheres and a regular sublattice of voids, filled with molecular water and accessible for filling by other substances. Using natural opal as a substrate, no complimenta
Autor:
Robert C. Thied, Frank J. Berry, R. Kniep, Matthias Asbrand, Brigitte Eisenmann, Lesley E. Smart
Publikováno v:
Polyhedron. 18:2427-2432
The 119Sn Mossbauer parameters for some chalcogen-containing Zintl phases of composition M4SnX4 (M=Na, K; X=S, Se, Te), Na2SnSe3, M3SnTe3 (M=K, Rb, Cs), Cs4Sn2Te7 and M2SnTe5 (M=K, Rb) are reported. All the compounds contain tetrahedrally coordinated
Publikováno v:
Journal of Solid State Chemistry. 137:104-111
The authors have performed angle-dispersive X-ray powder diffraction experiments on LiGa, LiIn, LiZn, and LiCd at pressures up to 21 GPa using diamond anvil cell techniques. Upon thermal annealing, LiIn and LiCd are both found to undergo phase transf
Autor:
Cornelia Hauf, R. Kniep
Publikováno v:
Zeitschrift für Naturforschung B. 52:1432-1435
The isotypic borophosphates Rb[B2P2O8(OH)] and Cs[B2P2O8(OH)] were grown under hydrothermal conditions. The crystal structures were solved by single crystal methods (Rb[B2P2O8(OH)]/ Cs[B2P2O8(OH)]: monoclinic, P21/c, a = 676.2(3)/682.7(3), b = 1217.3