Since the discovery of high-temperature superconductivity considerable progress has been made in research and development of superconductive electronic devices. This fact is reflected by the large variety of contributions to the 4th International Conference on Superconducting and Quantum Effect Devices and their Applications - SQUID'91. This comprehensive proceedings volume covers Josephson junctions, SQUIDs, radiation detectors, flux-flow transitors.. The main applications are contained in the chapters on biomagnetic instrumentation, metrologym and rf-applications. The purpose of this volume is to provide an up-to-date reference book on thestatus of this rapidly changing and promising field of electronic device research on the basis of low- and high-temperature materials.

Inhalt

I High-Tc Superconducting Devices.- Toward a Technology of Electronic Circuits with High-Tc Superconductors.- Physics of Josephson Junctions Made of High-Tc Superconductors.- Towards Real HTS Tunnel Junctions.- NS Boundaries and the Proximity Effect in Metal - YBCO Junctions.- In-Situ YBa2Cu3O7/SrTiO3/YBa2Cu3O7 a-b Plane Josephson Edge Junctions.- Fine Structure in the Tunneling Characteristis of Bi-Sr-Ca-Cu-O:Pb.- Suppression of Magnetic Flux Noise in YBa2Cu3O7?x Flux Transformers.- Anomalous Properties of Weak-Link-Containing Superconductors: Flicker Noise.- Exotic Manifestations of Intrinsic High-Tc Interferometer Loops.- Percolation and Josephson Effects in High-Tc Polycrystalline Thin Films.- Observation of Magneto-Thermoelectric Effects in High-Tc Superconducting Tl2Ba2CaCu2Ox Single Crystals.- Enhancement of the Superconducting Transition Temperature of Y-Ba-Cu-O Thin Films by Silver Over-Layer Deposition.- High-Temperature Ceramic RF-SQUIDs.- A Compact High-Tc RF-SQUID System with Reduced Tank Circuit Damping.- High-Tc RF-Biased SQUID Magnetometers.- Performance of BSCCO Thick Film RF-SQUIDs.- Two-Loop Y-Ba-Cu-O RF-SQUID Magnetometer.- YBCO/PBCO/YBCO Edge Junctions and DC-SQUIDs.- Reproducible High-Tc SNS Josephson Junctions and DC-SQUIDs.- High-Tc Epitaxial Junctions and DC-SQUIDs.- Multilayer YBa2Cu3Ox Structure - An Approach to SQUID Applications.- DC-SQUID with Step Edge Junctions on (100) SrTiO3.- YBa2Cu3Ox DC-SQUIDs on Y-ZrO2 Bicrystals.- YBCO Thin Films SQUIDs Fabricated on Bicrystal Substrates.- Sub-Micron YBa2Cu3O7-? Grain Boundary Junction DC-SQUIDs.- Thin Film BiPbSrCaCuO DC-SQUIDs Operating at 78 K.- Thin Film High-Temperature Superconducting Flux Transformers Coupled to SQUIDs.- YBa2Cu3O7-? Thin Film Flux Transformers Made by Wet Etching.- Progress Towards an Integrated HTS SQUID Magnetometer.- Light Detection Using High-Tc Microstrip Lines.- The Superconducting Flux How Transistor: Models and Applications.- Preliminary Studies of HTS Far-Infrared Micro-Bolometers.- Current Injected Thick Film HTS Magnetic Sensors.- II Low-Tc Devices.- Comparative Study on Two All-Refractory Josephson Tunnel Junctions: Nb/AlOx/NB and Nb/NbN/MgO/NbN/Nb.- Preparation and Characteristics of Full-Epitaxial NbCxN1?x/MgO/NbCxN1?x Josephon Tunnel Junctions.- Lead/Bismuth- and Niobium-Based SIN Tunnel Junctions.- Relation Between Tunnel Junction Quality, Anodization Profiles, and Low-Frequency Noise.- Submicron Sized, High Current Density Nb/PbBi Window Tunnel Junctions.- Barrier-Properties of All-Niobium Tunnel Junctions.- Fabrication and Performances of NbZr/Oxide/NbZr Thin Film Josephson Junctions.- Some Aspects in the Tunneling Behavior of Photosensitive Junctions.- Construction and Performance of Wire-Junction RF-SQUIDs.- Self-Consistent Theory of the Voltage-Current Characteristic and Intrinsic Noise of the Hysteretic RF-SQUID.- An Analysis of Non-Linear Behaviour in the Radio Frequency SQUID Magnetometer.- Low Noise UHF Thin Film SQUID with Cryogenic HEMT Preamplifier.- Design and Fabrication Considerations for Extending Integrated DC-SQUIDs to the Deep Sub-Micron Regime.- Nb-AlOx-Nb SNAP Technology for 125 mm Wafers Developed in Partnership with Silicon Technology.- DC-SQUIDs Fabricated with Nb/Al-oxide/Nb Tunnel Junctions.- A Compact Very Low Noise DC-SQUID Magnetometer.- A Low Noise DC-SQUID Based on Nb/Al-AlOx/Nb Josephson Junctions.- DC-SQUID with Aluminium Microbridges far from Tc.- Accurate Determination of the Electrical Parameters of Thin Film SQUID Structures and Simulation of DC-SQUIDs with Coupling Coils.- RF Properties of a DC-SQUID Coupled to a Multiturn Input Coil.- Resonances in All-Niobium DC-SQUIDs.- Noise in All-Niobium DC-SQUIDs.- Noise Measurements on DC-SQUIDs with Varied Design.- Noise Properties of NbN-MgO-NbN SQUIDs.- Noise Studies of Uncoupled DC-SQUIDs.- The Laser Switch in SQUID Measurements: Fundamental Experiments and Low Frequency Noise Reduction.- A New DC-SQUID System with 2f-Demodulation.- Relaxation Oscillating SQUIDs Using Nb/AlOx/Nb Josephson Tunnel Junctions.- DC-SQUID Electronics Based on Adaptive Noise Cancellation and a High Open-Loop Gain Controller.- Investigation of a Double-Loop DC-SQUID Magnetometer with Additional Positive Feedback.- Switching Probability and Performance in Single-Chip SQUIDs.- Digital CMOS Circuits Below 100 K.- III Applications.- Fluxons in Josephson Transmission Lines.- Phase Locking in Long Josephson Junctions.- Soliton Chains in Annular Josephson Junctions: Experiments.- Coupled Josephson Soliton Oscillators.- A 500 GHz Quasi-Optical Slot Antenna SIS Mixer.- Numerical and Experimental Results on Josephson Junctions Irradiated by a Biharmonic Drive.- Phaselocked States in Josephson Junction Resonator Systems.- Microwave Properties of Josephson Junctions Strongly Coupled to Microstrip Resonators.- Multiloop Integrated DC-SQUID Low Noise RF Amplifiers.- Subharmonic Pumping and Noise Properites of the Josephson Parametric Amplifier.- Imaging of Self-Resonant and RF-Induced States in Josephson Junctions.- 1 V and 10 V Josephson Voltage Standards.- Ratio Standard for DC Resistance Using a Second Generation of Josephson Junction Arrays.- Superconducting Instrumentation for Precision Measurement and Control.- Use of a Resistive SQUID for Noise Thermometry.- Analysis of a Josephson Junction Noise Thermometer with a DC-SQUID Preamplifier.- Review on Superconducting Tunnel Junctions as Ionizing-Radiation Detectors.- Particle Detection with Superconducting Tunnel Junctions-Modelling the Non-Equilibrium State Generated by Particle Interactions.- A Calorimetric Particle Detector Using a SQUID Monitored Transition Edge Thermometer.- Multichannel Instrumentation for Biomagnetism.- Design and Operation of a Biomagnetic Multichannel System.- Biomagnetic Multi-Channel System Consisting of Several Self-Contained Autonomous Small-Size Units.- A Modular 19-Channel SQUID System for Biomagnetic Measurements.- On the SQUID-Modules for the UT Multichannel Neuromagnetometer.- 11-Channel Multipurpose Biomagnetic System for Operation in Unshielded Environment.- A New Method of Adjusting Bias Currents of Neuromagnetometers.- Active Shield with SQUID for Biomagnetic Measurement.- Active Magnetic Shielding Support for Biomagnetic Instruments.- Performance of an Electronic Gradiometer in Noisy Environments.- Gradiometer Response Analysis for Current Multipole Sources.- Analyzing Multichannel Magnetometer Data.- Measurements on Magnetic Samples with a DC-SQUID Working at mK Temperatures in Magnetic Fields up to 6 mT.- A Miniature DC-SQUID Magnetometer with Current Injection Feedback.- The DC-SQUID Amplifier for the NAUTILUS Gravitational Wave Detector at CERN: Preliminary Measurements.- An Improved System for the Nondestructive Evaluation of Steel.- Improved Techniques for Structural NDT Using SQUIDs.- Application of DC-SQUID Magnetometers for Nondestructive Testing of Multilayer Electronic Cards.- Characterization of Normal/Superconducting Interfaces: A Novel Technique.- Transistor Action in Three-Terminal Structures Having Nb Electrodes on an Insulating SrTiO3 Substrate.- IV Summary and Conclusions.- Summary and Concl…