Keyword: Superconductors

Briefs: Electronics & Computers
The technology could boost quantum computers and other superconducting electronics.
Briefs: Test & Measurement
Applications include monitoring the temperature of processor chips in superconductor-based quantum computers, which must stay cold to work properly.
Briefs: Sensors/Data Acquisition
The system enables measurement of active or passive microstrip line devices with DC probing capability.
Briefs: Motion Control
This partially superconducting machine can be used as a motor or generator.
Briefs: Electronics & Computers
The multitasking device could advance development of an electric circuit for faster, next-generation electronics like quantum computing technologies.
Briefs: Aerospace
Magnetic Shield Using Proximity Coupled, Spatially Varying Superconducting Order Parameters
This magnetic shielding design can be easily incorporated into a wide range of electronic sensing applications.
Briefs: Semiconductors & ICs
Made with “Jenga chemistry,” the material could help in understanding how high-temperature superconductors work.
Briefs: Electronics & Computers

A process was developed for producing oxide perovskite crystals in flexible, free-standing layers. A two-dimensional rendition of this substance is intriguing because 2D materials have been shown to...

Briefs: Data Acquisition

Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used; for example, lighters that spark when a switch is...

Briefs: Materials

Superconducting materials are technologically important because electricity flows through them without resistance. Only low-temperature superconductivity seemed possible before 1986,...

Briefs: Robotics, Automation & Control
Portable Superconductivity Systems for Small Motors

Superconductivity, where electrical currents travel unhindered through a material, has many practical uses. It is used in applications extending from MRIs in hospitals to the cavities of particle accelerators. However, practical exploitation of superconductivity also presents many...

Briefs: Manufacturing & Prototyping

There has been a great deal of interest in building bolometers from hightemperature superconductors due to their high transition temperatures and the...

Briefs: Sensors/Data Acquisition
Broadband Photon-Counting Microwave Kinetic Inductance Detector

The planar Microwave Kinetic Inductance Detector (MKID) is very compact and allows a large number of detectors to be fabricated simultaneously and implemented in a focal plane of a telescope using a minimal number of wiring interfaces. In this detector, the incident power is guided...

Briefs: Electronics & Computers

DC protection systems such as circuit breakers play a key enabling role for the DC power system in applications such as aviation, the power grid, and the like. Conventional...

Briefs: Materials
Passivation of Flexible YBCO Superconducting Current Lead With Amorphous SiO₂ Layer

Adiabatic demagnetization refrigerators (ADR) are operated in space to cool detectors of cosmic radiation to a few 10s of mK. A key element of the ADR is a superconducting magnet operating at about 0.3 K that is continually energized and de-energized in...

Briefs: Manufacturing & Prototyping
Fabrication of a Cryogenic Bias Filter for Ultrasensitive Focal Plane

A fabrication process has been developed for cryogenic in-line filtering for the bias and readout of ultrasensitive cryogenic bolometers for millimeter and submillimeter wavelengths. The design is a microstripline filter that cuts out, or strongly attenuates, frequencies...

Articles: Materials

The Hall effect can be observed when the combination of a magnetic field through a sample and a current along the length of the sample create an...

Briefs: Materials
Magnesium Diboride Current Leads

A recently discovered superconductor, magnesium diboride (MgB2), can be used to fabricate conducting leads used in cryogenic applications. Discovered to be superconducting in 2001, MgB2 has the advantage of remaining superconducting at higher temperatures than the previously used material,...

Who's Who: Photonics/Optics

Dr. Robert Romanofsky has over 75 publications and holds five patents in the fields of microwave device technology, high-temperature superconductivity, and the use of...

Briefs: Semiconductors & ICs
Magnetic-Field-Tunable Superconducting Rectifier

Superconducting electronic components have been developed that provide current rectification that is tunable by design and with an externally applied magnetic field to the circuit component. The superconducting material used in the device is relatively free of pinning sites with its critical...

Application Briefs: Motion Control

At full power, the Spallation Neutron Source (SNS), part of Oak Ridge National Laboratory (ORNL, Oak Ridge, TN), will produce the world’s most intense pulsed...

Briefs: Manufacturing & Prototyping
Techniques for Connecting Superconducting Thin Films

Several improved techniques for connecting superconducting thin films on substrates have been developed. The techniques afford some versatility for tailoring the electronic and mechanical characteristics of junctions between superconductors in experimental electronic devices. The techniques...

Briefs: Semiconductors & ICs

A technique based on accelerating positive nitrogen ions onto an aluminum layer has been demonstrated to be effective in forming thin (<2 nm thick) layers of aluminum...

Briefs: Semiconductors & ICs

A process that employs silicon-on-insulator (SOI) substrates and silicon (Si) micromachining has been devised for fabricating wide intermediate frequency band (wide-IF)...

Briefs: Test & Measurement
Cryogenic High-Sensitivity Magnetometer

A proposed magnetometer for use in a cryogenic environment would be sensitive enough to measure a magnetic-flux density as small as a picogauss (10-16 Tesla). In contrast, a typical conventional flux-gate magnetometer cannot measure a magnetic-flux density smaller that about 1 microgauss (10-10 Tesla).

Briefs: Electronics & Computers

A method of designing improved monolithic planar arrays of superconducting tunnel junctions (STJs) for use as photodetectors has been conceived. These arrays would be suitable for...

Briefs: Physical Sciences
Magnetostrictively Actuated Valves for Cryosurgical Probes

In cryosurgical probes of a type now undergoing development, the flow of coolant (typically, liquid nitrogen) would be regulated by magnetostrictively actuated needle valves controlled by use of superconductive electromagnet coils. In comparison with cryosurgical probes now in use, the...

Briefs: Physical Sciences

Magnetostrictive actuators that would hold their displacements with power turned off have been proposed for use at temperatures from about 10 to about 77 K. Such "set and hold with power off"...

Briefs: Materials
Improved Fabrication of YBa2Cu3O7 —x Superconductors

An improved method of manufacturing high-temperature superconductors of general composition YBa2Cu3O7— x and various grain structures has been devised. This method involves mixing, pressing, and heating of Y2O3, CuO, and...

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