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Quantum Design Education:  Connecting Students with Materials Research

Connecting Students with Materials Research

YBCO Synthesis and Characterization

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Superconductivity is an exciting phenomenon whereby certain materials at low temperatures demonstrate zero electrical resistance and the expulsion of magnetic field, also known as the Meissner effect. In this lab, students will synthesize and electrically characterize their own polycrystalline samples of YBa2Cu3O7-δ (YBCO) superconductor, the first material discovered with a superconducting critical temperature (TC) above liquid nitrogen’s boiling temperature (77 K).

 

 

 

Several items are needed for this experiment, which include:

Sample Synthesis:

  • Y2O3
  • BaCO3
  • CuO
  • Mortar and Pestle
  • Balance with .01 mg accuracy
  • Weighing Paper or Weighing Boats
  • Spatula or Scoopula
  • Hydraulic Press
  • 13 mm Press Die
  • Tube Furnace
  • Air Supply Line
  • Combustion Boat

Sample Mounting:

  • Zoom Stereo Microscope
  • Calipers
  • 25 mm Diameter Pt Wire
  • Lighter
  • Scissors
  • Leitsilber 200 Silver Paint
  • Tweezers
  • Thin Stick or Needle
  • Apiezon H Grease

Sample Measurement:

  • Multimeter
  • ETO Module

 

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