High-temperature superconducting microwave devices: Fundamental issues in materials, physics, and engineering

N Newman, WG Lyons - Journal of Superconductivity, 1993 - Springer
High-T c superconductivity has generated a great deal of interest because of the challenges
it presents in the fields of material science, condensed matter physics, and electrical …

The microwave surface impedance of high-T/sub c/superconductors

H Piel, G Muller - IEEE transactions on magnetics, 1991 - ieeexplore.ieee.org
The available data on the microwave surface impedance Z/sub s/of high-T/sub
c/superconductors from more than 30 laboratories around the world are reviewed to show …

Observation of a narrow superconducting transition at 6 GHz in crystals of Y

DL Rubin, K Green, J Gruschus, J Kirchgessner… - Physical Review B, 1988 - APS
We report measurements of the temperature dependence of the surface resistivity of
highquality Y Ba 2 Cu 3 O 7 crystals at 5.95 GHz. A narrow transition with 89-K onset is …

Nonlinear microwave impedance of superconductors and ac response of the critical state

S Sridhar - Applied physics letters, 1994 - pubs.aip.org
The hysteretic ac response of the current-induced critical state of superconducting wires
(strips of circular or rectangular cross-section) is expressed in a surface impedance …

Temperature, frequency, and rf field dependence of the surface resistance of polycrystalline

JR Delayen, CL Bohn - Physical review B, 1989 - APS
The rf surface resistance of a single bulk polycrystalline YBa 2 Cu 3 O 7− x sample was
measured with TEM resonant cavities as a function of temperature from 4.2 to 100 K, rf field …

Electrophoretic deposition of textured YBa2Cu3O7− x films on silver substrates

M Hein, G Müller, H Piel, L Ponto, M Becks… - Journal of applied …, 1989 - pubs.aip.org
We have deposited 10-20-flm-thick YBa2Cu30 7 _ x films by an electrophoretic process on
silver substrates in a magnetic field of 8 T. X-ray diffraction patterns of these 2.4-cm-diameter …

Performance of a fully superconducting microwave cavity made of the high Tc superconductor Y1Ba2Cu3Oy

C Zahopoulos, WL Kennedy, S Sridhar - Applied physics letters, 1988 - pubs.aip.org
We report the successful fabrication and characterization of a high T c superconducting
microwave cavity. The cavity made of bulk Y1Ba2Cu3O y (T c= 93 K) and dielectrically …

Characteristics and growth of single crystals of Y1Ba2Cu3O7 with superior microwave properties

DH Wu, WL Kennedy, C Zahopoulos… - Applied physics letters, 1989 - pubs.aip.org
We report the fabrication and high‐frequency characterization of single crystals of
Y1Ba2Cu3O7 with extremely sharp microwave transitions. The 10 GHz surface resistance R …

High Tc superconductors for accelerator cavities

H Piel - Nuclear Instruments and Methods in Physics Research …, 1990 - Elsevier
In this contribution the properties of YBa 2 CU 3 O 7− δ in high frequency fields are
discussed in order to evaluate the potential of the high T c superconductors for particle …

Measurement of microwave surface resistance of patterned superconducting thin films

D Kalokitis, A Fathy, V Pendrick, R Brown… - Journal of electronic …, 1990 - Springer
A simple and versatile measurement technique has been demonstrated for characterization
of thin film superconductors and the substrates on which they are deposited. Unlike other …