W. Widder

发表

An attempt of carrier doping into (Ca1−xSrx)CuO2 by chemical substitutions under ambient pressure

H. Braun, W. Widder, L. Bauernfeind, 1994 .

Superconductivity at 40 K in the 1212 system (Pb1−xVx)Sr2(Ca1−zYz)Cu2O7−δ

M. Franz, H. Braun, W. Widder, 1993 .

Growth and characterization of (Y, Pr)-123 single crystals: influence of Al contamination and post-annealing under oxygen pressure

M. Rübhausen, K. Widder, H. Geserich, 1996 .

Optical investigation of Y1−zPrzBa2Cu3O7−δ single-domain crystals. A comparison between impurity-free and Al doped samples

R. Flükiger, K. Widder, M. Merz, 1996 .

Optical investigation of the metal-insulator transition in NdBa2Cu3Ox a comparison with YBa2Cu3Ox

K. Widder, H. Geserich, D. Berner, 1995 .

Raman scattering of magnetic excitations in Y1−x Prx Ba2Cu3−yAlyO7−δ single crystals

M. Rübhausen, H. Braun, W. Widder, 1996 .

Low temperature magnetocaloric effects in Dy1Ba2Cu3O7−δ and Y1Ba2Cu3O7−δ high-Tc single crystals

P. Esquinazi, H. Braun, W. Widder, 1996 .

Optical study of antiferromagnetic single crystals Y1-xPrxBa2Cu3O6 in high magnetic fields

D. Tanner, T. Kopp, T. Wolf, 1997 .

Ruthenium-based layered cuprates RuSr2LnCu2O8 and RuSr2(Ln1+xCe1−x)Cu2O10 (LnSm, Eu and Gd)

H. Braun, W. Widder, L. Bauernfeind, 1995 .

Ac susceptibility and transport critical-current density of polycrystalline c-axis-oriented YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} films: Josephson tunneling and d-wave pairing

H. Kinder, H. Burkhardt, H. Braun, 1997 .

Nonlinear AC susceptibility and critical current of (Y1−xPrx)Ba2Cu3O7−δ ceramics

H. Braun, W. Widder, L. Bauernfeind, 1995 .

The occurrence of 1212-type phase in the Pb-Sb-Sr-Ca-Y-Cu-O system

M. Franz, H. Braun, W. Widder, 1993 .