Anisotropy of the lower critical field, magnetic penetration depth, and equilibrium shielding current in single-crystal

A Umezawa, GW Crabtree, JZ Liu, TJ Moran, SK Malik… - Physical Review B, 1988 - APS
Magnetization measurements at 11 K are used to obtain anisotropic H c 1 values for fields
along the c direction and in the basal plane of single crystals of Y Ba 2 Cu 3 O 7− δ. The …

Microwave magneto-surface impedance of high-Tc superconductors

AM Portis, KW Blazey, KA Müller… - Europhysics letters, 1988 - iopscience.iop.org
Magnetic-field-induced microwave absorption in sintered high-T c copper oxide
superconductors is found to be proportional to the surface area of samples and not to their …

Characterisation of poly (ethylene terephthalate) and cotton fibres after cold SF6 plasma treatment

E Selli, G Mazzone, C Oliva, F Martini… - Journal of Materials …, 2001 - pubs.rsc.org
Poly (ethylene terephthalate)(PET) and cotton fibres, treated in an appositely set up RF SF6
plasma reactor under different operating conditions, were characterised by XPS, EPR, DSC …

EPR STUDIES OF HIGH-Tc SUPERCONDUCTORS AND RELATED SYSTEMS

A Punnoose, RJ Singh - International Journal of Modern Physics B, 1995 - World Scientific
A detailed and systematic review of the EPR studies of high-Tc superconductors and their
related and parent systems are presented. The various EPR signals reported from the high …

Microwave study of the critical state in high-Tc superconductors

KW Blazey, AM Portis, JG Bednorz - Solid state communications, 1988 - Elsevier
The signals obtained from microwave absorption at the surface of high-T c superconducting
oxides in a magnetic field depend sensitivily on the amplitude of the magnetic-field …

Microwave absorption studies of Y-Ba-Cu-O

EJ Pakulis, T Osada - Physical Review B, 1988 - APS
We have measured the magnetic field dependence of the microwave absorption of bulk
ceramic Y 1 Ba 2 Cu 3 O x as a function of temperature. Below the superconducting …

Synthesis and characterization of : Crystal symmetry, superconductivity, and the role of oxygen

JF Bringley, TM Chen, BA Averill, KM Wong, SJ Poon - Physical Review B, 1988 - APS
We have prepared and characterized a series of Co-and Ni-doped Y Ba 2 (Cu 1− x M x) 3 O
y compounds and determined the oxygen content for 0.0≤ x≤ 0.15 and 0.0≤ x≤ 0.20, for …

Precautions when interpreting EPR and dc magnetization measurements of high- -phase superconducting materials

DC Vier, SB Oseroff, CT Salling, JF Smyth, S Schultz… - Physical Review B, 1987 - APS
Many electron-paramagnetic-resonance (EPR) and magnetic susceptibility measurements
for the high-T c superconductors of the form R Ba 2 Cu 3 O 9− x (R= Y or a rare earth) have …

Coexistence of ferromagnetism and superconductivity in YBCO nanoparticles

Z Zhu, D Gao, C Dong, G Yang, J Zhang… - Physical Chemistry …, 2012 - pubs.rsc.org
Nanoparticles of superconducting YBa2Cu3O7− δ were synthesized via a citrate pyrolysis
technique. Room temperature ferromagnetism was revealed in the samples by a vibrating …

EPR detection of the flux distribution in ceramic high-Tc superconductors

B Rakvin, M Požek, A Dulčić - Solid state communications, 1989 - Elsevier
EPR measurements were made on adsorbed diphenyl picrylhydrazil (DPPH) at the surface
of a ceramic high-T c superconductor YBa 2 Cu 3 O 7. A significant broadening of the EPR …