Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Dirk Niepmann"'
Publikováno v:
Zeitschrift für Naturforschung B. 73:875-884
The stannides REIr2Sn4 (RE=La, Ce, Pr, Nd, Sm) were synthesized from the elements by arc melting or by induction melting in sealed niobium containers. They crystallize with the NdRh2Sn4 type structure, space group Pnma. The samples were characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d60011bee3a00c9bcb726e5dcd023067
https://doi.org/10.1515/znb-2018-0115
https://doi.org/10.1515/znb-2018-0115
Publikováno v:
Zeitschrift für Naturforschung B. 64:595-602
The structures of the equiatomic germanides REPdGe with the heavy rare earth elements have been reinvestigated with respect to palladium-germanium ordering. The samples were prepared by arc-melting of the elements followed by annealing procedures in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36faaae3933d9f4c8d2b7adb4dfaf636
https://doi.org/10.1515/znb-2009-0603
https://doi.org/10.1515/znb-2009-0603
Publikováno v:
Zeitschrift für Naturforschung B. 64:383-387
The equiatomic germanides REPtGe with the heavy rare earth elements (RE) have been reinvestigated with respect to platinum-germanium ordering. The compounds were prepared by arc-melting of the elements followed by annealing for two weeks at 1070 K. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b350120ebcd7690af5f710f1f44966e
https://doi.org/10.1515/znb-2009-0404
https://doi.org/10.1515/znb-2009-0404
Autor:
Marcus Eschen, R.K. Mishra, Rainer Pöttgen, Dirk Niepmann, Ute Ch. Rodewald, Thomas Fickenscher
Publikováno v:
Zeitschrift für Naturforschung B. 60:271-276
The rare earth metal (RE)-nickel-cadmium intermetallics RE2Ni2Cd (RE = La, Pr, Nd, Sm, Tb, Dy) were prepared from the elements in sealed niobium or tantalum tubes in a water-cooled sample chamber of a high-frequency furnace. They crystallize with a t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b14f197ef057723daf4d68274641e74a
https://doi.org/10.1515/znb-2005-0306
https://doi.org/10.1515/znb-2005-0306
Autor:
Dirk Niepmann, Rainer Pöttgen, Henning Trill, Rolf-Dieter Hoffmann, Bernd D. Mosel, Dirk Kußmann
Publikováno v:
Solid State Sciences. 4:481-487
Pure samples of CaPdSn, CaPtSn, SrPtSn, SrAuSn and BaAuSn can be prepared by reacting the elements in glassy carbon crucibles or in sealed tantalum tubes in a water-cooled sample chamber of a high-frequency furnace. The stannides have been investigat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6a98e0a05765a594a82a6a0a1bf1037
https://doi.org/10.1016/s1293-2558(02)01284-0
https://doi.org/10.1016/s1293-2558(02)01284-0
Autor:
Rainer Pöttgen, Dirk Niepmann
Publikováno v:
Intermetallics. 9:313-318
The title compounds were synthesized by arc-melting the elements in an argon atmosphere and subsequent annealing. β-CeIr 2 Si 2 and CeIr 2 Ge 2 crystallize directly from the melt, while α-CeIr 2 Si 2 was obtained after annealing at 870 K. The three
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a92c2b3b5afd5af6081124795cabc9bc
https://doi.org/10.1016/s0966-9795(01)00006-1
https://doi.org/10.1016/s0966-9795(01)00006-1
Autor:
Bernd D. Mosel, Dirk Niepmann, Kristin M. Poduska, Francis J. DiSalvo, Rainer Pöttgen, Henning Trill
Publikováno v:
Zeitschrift für Naturforschung B. 56:1-8
CeAuSn, Ce3Rh4Sn13, and Ce3lr4Sn13 were prepared by reaction of the elements in an arc-melting furnace and subsequent annealing at 970 K for two weeks. The three stannides were investigated by X-ray powder and single crystal techniques. CeAuSn crysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fbb0cf1ac557885707815ec7022f255
https://doi.org/10.1515/znb-2001-0102
https://doi.org/10.1515/znb-2001-0102
Publikováno v:
Journal of Solid State Chemistry. 154:329-337
In previous publications about the seven ternary equiatomic title compounds only the KHg 2 (CeCu 2 )-type subcells with statistical distribution of the palladium and germanium atoms were reported. However, weak superstructure reflections resulting fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7003827233c068e0dd45e018c55a6379
https://doi.org/10.1006/jssc.2000.8789
https://doi.org/10.1006/jssc.2000.8789
Publikováno v:
Journal of Alloys and Compounds. 309:1-9
The previously reported high-pressure compound Os3Sn7 was prepared at normal pressure by long-time annealing of the elemental components at 300°C. Its Ir3Ge7-type crystal structure was refined from single-crystal X-ray data: Im3m, a=937.8(2) pm, R=0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cbae643cdd94f8e7249f63b32d13de0
https://doi.org/10.1016/s0925-8388(00)01042-2
https://doi.org/10.1016/s0925-8388(00)01042-2
Publikováno v:
Zeitschrift für Naturforschung B. 55:155-161
New intermetallic cerium compounds Ce2T2Mg (T = Ni, Cu, Pd), C2T2Cd (T=Pd, Pt, Au), and C2T2Pb (T = Pt, Au) were prepared by reaction of the elements in sealed tantalum tubes in a high-frequency furnace. Most C2T2X (X = Mg, Cd, Pb) compounds are stab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10e297c7d449c41694baddb0d709f6af
https://doi.org/10.1515/znb-2000-0204
https://doi.org/10.1515/znb-2000-0204