A modified phenomenological model of the microwave surface impedance is proposed. The
model is based on the experimental data of measurements of the microwave characteristics …

We present a novel method for analysis of superconducting thin films using dynamic
magneto-optical imaging, revealing hallmarks of flux penetration with temporal resolution …

A new measurement technique of electrical parameters of superconducting thin films at the
Very High Frequency (VHF) range is described, based on resonators with microstrip (MS) …

A radio-frequency coupler was designed and implemented using high-temperature
superconductor (HTSC) YBCO films. A circuit for a single superconducting coupling channel …

Multichannel very high frequency (VHF) high-power transmission system, based on a 90°,
high-temperature superconductor YBa 2 Cu 3 O 7 (YBCO) hybrid coupler is presented. The …

A brief review is given of recent publications showing that the applications of
hightemperature superconductors (HTS) in microwave technologies have become an …

We report results obtained with two different experimental set-ups in state-of-the-art YBCO
thin films as similar as possible, prepared by pulsed laser deposition on LaAlO 3 substrates …

Measurements of the microwave surface impedance Z s (T)= R s (T)+ iX s (T) and the
complex conductivity σ s (T) in the ab-plane of high-quality high-T c YBCO, BSCCO, TBCCO …

A technique is developed for determining the London penetration depth by ac susceptibility
measurements of a square film. It is based on the numerical calculation of the Meissner …

We report on a study on the effect of Nd/Ba disorder on the ab-plane penetration depth of
epitaxial Nd 1+ x Ba 2− x Cu 3 O 7− δ thin films. While in stoichiometric samples λ (T) at low …