Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Karsten Bluhm"'
Publikováno v:
Zeitschrift für Naturforschung B. 53:1-4
Nearly colourless single crystals of the compounds CuDy2[B8O16] (I) and CuHo2[B8O16] (II) have been obtained by a B2O3 flux technique. They crystallize in the structure of CuTb2[B8O16] (I) or in an orthorhombic variant (II). X-ray investigations on s
Autor:
Karsten Bluhm, A. Wiesch
Publikováno v:
Zeitschrift für Naturforschung B. 53:5-8
Single crystals of the new compound CuHo2 [B2O5]2 were obtained by using a B2O3 flux technique with CuO and Ho2O3 at 1050 °C. X-ray investigations on single crystals led to the space group P 21/c (Nr. 14) with lattice parameters a = 454.3(2); b = 72
Autor:
Karsten Bluhm, A. Wiesch
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:1730-1733
Single crystals of the new compounds CdLn[B 5 O 10 ] (Ln = La 3+ , Sm 3+ , Eu 3+ ) were obtained in silver ampoules at 1073 K by using a B 2 O 3 flux technique. The compounds are isotypic with CoSm[B 5 O 10 ] and contain two-dimensional infinite [B 5
Autor:
A. Wiesch, Karsten Bluhm
Publikováno v:
Zeitschrift für Naturforschung B. 52:227-230
Single crystals of AgSr[B7O12] were obtained by using a B20 3 flux-technique and Ag2CO3 and SrCO3 as starting materials in a silver ampoule at 800 °C. X-ray investigations on single crystals led to the space group C 2/c with a = 664.2(5); b = 1153.6
Autor:
Karsten Bluhm, Anne Utzolino
Publikováno v:
Zeitschrift für Naturforschung B. 51:1433-1438
The compounds MnII 2MnIII(BO3)O2 (I) and MnIISrMnIII(BO3)O2 (II) were prepared by using a B2O3 flux technique. Single crystals were investigated by X-ray diffraction. I showed orthorhombic symmetry, space group D9 2h - Pbam (No. 55), a = 926.0; b = 1
Autor:
Karsten Bluhm, Anne Utzolino
Publikováno v:
Zeitschrift für Naturforschung B. 51:907-911
Single crystals of Ba2Mn(B3O6)2 (I) and Ba2Co(B3O6)2 (II) were prepared by using a B2O3 flux technique, Ba2Mn(B3O6)2 in an argon atmosphere. X-ray investigations on single crystals of both compounds yield the space group C3i 2R3̄ (No. 148) with 3 fo
Autor:
Karsten Bluhm, Anne Utzolino
Publikováno v:
Zeitschrift für Naturforschung B. 51:912-916
The compounds MnCo(B2O5) (I) and MnMg(B2O5) (II) were prepared by using B2O3 flux techniques in an argon atmosphere. X-ray investigations on single crystals showed triclinic symmetry, space group Ci 1 - P1̄, I: a = 320.94(10), b = 619.20(11), c = 93
Autor:
Karsten Bluhm, Cheong-Hwa Park
Publikováno v:
Zeitschrift für Naturforschung B. 51:722-726
Single crystals of Ba(BAsO5) (I) and Ba3(AsO4)2 (II) were obtained by melting B2O3, arsenic pentoxide and BaO at 1100°C. Both compounds crystallize trigonally, space groups (I): C3 2 - P31 (Nr. 144), (II): D3d 5 - R3̄m (Nr. 166), with the lattice p
Autor:
Silke Busche, Karsten Bluhm
Publikováno v:
Zeitschrift für Naturforschung B. 51:671-676
Single crystals of the new compounds LnZn(B5O10) (Ln = (A) Ce3+, (B) Nd3+, (C) T b3+) were obtained by using a B2O3 flux technique. X-ray investigations led to space group C2h 5-P21/n (Nr. 14) with lattice parameters: (A) a = 874.5(1), b = 761.4(1),
Autor:
André Wiesch, Karsten Bluhm
Publikováno v:
Zeitschrift für Naturforschung B. 51:677-680
Single crystals of NiHo2(B2O5)2 were prepared by a B2O3 flux-technique in high temperature reactions at 1450 °C and investigated by X-ray diffraction. They crystallize in the space group C2h 5-P21/c (Nr. 14) with a = 451.0(4); b = 724.8(3); c = 938.