High-Temperature Superconductors Team Supercool Andy Lin Chris Kinney Naomi Kohen David Schoen Advised by Yin-Lin Xie.

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Presentation transcript:

High-Temperature Superconductors Team Supercool Andy Lin Chris Kinney Naomi Kohen David Schoen Advised by Yin-Lin Xie

What is a superconductor? Permanent magnet levitating over a superconductor

What is a superconductor? A material that conducts without resistance A material that conducts without resistance Impenetrable by external magnetic fields (up to a point) Impenetrable by external magnetic fields (up to a point) Two types: Type I and Type II Two types: Type I and Type II Examples: Examples: –YBCO: Yttrium barium copper oxide –BSSCO 2212, 2223: (Bi,Pb) 2 Sr 2 Ca 1 Cu 2 O x, (Bi,Pb) 2 Sr 2 Ca 2 Cu 3 O x

What is a superconductor? Maglev train in Japan

What does an actuator do? Mechanical energy conversion

What is an actuator? MEMX High Performance Steerable MicroMirrors A device that converts between mechanical energy and other forms

What is an actuator? MEMX High Performance Steerable MicroMirrors

Our HTS Tape American Superconductor BSSCO mm (W) x 0.21 mm (T) Up to ~108 A Critical temperature (T C ) of 110 K

BSSCO 2223 Structure BSSCO 2223 Unit Cell NWU /public/02Whole.pdf

BSSCO 2223 Structure Tl 2 Ba 2 Ca 2 Cu 3 O 10 : structurally similar to BSSCO NWU /public/02Whole.pdf

BSSCO 2223 Processing

Hurdles and Unknowns Critical current decreases as coil decreases in diameter

Hurdles and Unknowns

Measurement and Comparison Standard properties –Resistance –Magnetic field –Response time

Measurement and Comparison Comparison to copper solenoid

Example Test Setup

Project Schedule

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