Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Venturini, A."'
Publikováno v:
The European Physical Journal B. 58:11-23
Zero-field nuclear magnetic resonance (NMR) of all NMR isotopes (175Lu, 55Mn, 73Ge, 69,71Ga) in LuMn6Ge6-xGax, 0 ≤ x ≤ 1, is used to monitor the variation of the hyperfine interaction with the sequence of antiferromagnetic - helimagnetic - ferrom
Publikováno v:
Journal of Alloys and Compounds. 377:21-24
Magnetic properties of NdMn2−xFexGe2 (x=0.1 and 0.15) are investigated by ac magnetic measurements and neutron diffraction in the temperature range 1.5–400 K. At 1.5 K a complex magnetic structure is observed in both compounds, with a noncollinea
Publikováno v:
Journal of Alloys and Compounds. 351:65-71
The HfFe6Ge6-type structure TmMn6Sn6, TmMn6Sn5.9Ga0.1, TmMn6Sn5.8Ga0.2, TmMn6Sn5.5Ga0.5, TmMn6Sn4Ga2 and TmMn6Sn3.5Ga2.5 compounds have been studied by powder neutron diffraction. TmMn6Sn6 orders antiferromagnetically below TN=347 K and displays a co
Publikováno v:
Journal of Magnetism and Magnetic Materials. 234:261-273
Neutron diffraction experiments were carried out on polycrystalline RTiGe (R=Pr, Nd, Tb–Er) samples. These compounds crystallise with the tetragonal CeFeSi-type structure (space group P4/nmm). This structure is closely related to the ThCr 2 Si 2 -t
Publikováno v:
Journal of Alloys and Compounds. 320:46-57
The HoMn 6 Ge 6− x Ga x compounds ( x =0.2, 0.4, 1.0) have been studied by magnetization measurements and neutron diffraction in the temperature range 2–300 K. The HoMn 6 Ge 5.8 Ga 0.2 compound orders antiferromagnetically at 415 K and displays a
Publikováno v:
Journal of Alloys and Compounds. 319:22-28
The HfFe6Ge6-type ErMn6Ge6−xGax compounds (x=0.2, 0.4, 1.0) have been studied by powder neutron diffraction. The ErMn6Ge5.8Ga0.2 compound orders antiferromagnetically at 460 K in a collinear easy axis magnetic structure characterized by a doubling
Publikováno v:
Journal of Magnetism and Magnetic Materials. 207:95-102
The electronic and magnetic properties of the hexagonal PdMnGe (P 6 2 m) are investigated both experimentally and theoretically. The magnetic structure is determined by bulk magnetization and powder neutron diffraction experiments. PdMnGe is a pure f
Publikováno v:
Journal of Magnetism and Magnetic Materials. 205:221-233
Investigation made by powder X-ray diffraction, susceptibility measurement and powder neutron diffraction on the new TiNiSi-type (S.G. Pnma) TbMnSi, DyMnSi and NdMnGe compounds in a high-temperature form are reported. All three compounds are antiferr
Publikováno v:
Solid State Communications. 110:407-412
The new hexagonal HfFe6Ge6-type ZrMn6Ge6 compound orders antiferromagnetically below TN=640 K and undergoes a second transition at Tt=50 K. Neutron diffraction experiments were performed on the three ZrMn6Ge6, LuMn6Ge6 and ScMn6Ge6 compounds. At 300
Publikováno v:
Solid State Communications. 108:933-938
The CeFeSi-type compounds MgMnGe and MgFeGe have been prepared by reaction of the elements at 1000 K. The magnetic properties of the MgMnGe compound have been investigated by neutron diffraction. MgMnGe orders antiferromagnetically above room tempera