Proceedings of the National Academy of Sciences of the United States of America

About the PNAS Member Editor
Name Beasley, Malcolm R.
Location Stanford University
Primary Field Applied Physical Sciences
 Election Citation
Beasley is known for his broad ranged contributions to superconductivity, the demonstration of Kosterlitz-Thouless excitations in charged superfluids, and the imaginative use of model systems in the elucidation of numerous properties of high-Tc superconductors.
 Research Interests
Beasley's research interests have focused primarily on basic and applied superconductivity with occasional forays into other areas, most notably nonlinear dynamics and transport at short length scales in amorphous semiconductors. He is best known for his work on resistance in superconductors and the associated phase slippage process, and in the properties of superconductors in two dimensional and layered systems, including recognition that the Kosterlitz-Thouless theory of two-dimensional phase transitions applies to superconducting thin film, contrary to the then prevailing view, and that the transition temperature of disordered thin films are strongly depressed due to enhance Coulomb repulsion in Cooper pair formation. He is also known for his work on the physics and applications of Josephson junctions and SQUID devices, most notably the development of the first SQUID magnetometer capable of measurements in high magnetic fields, and of high resistance superconductor/normal metal/superconductor (SNS) Josephson junctions that are now the basis for the 10V programable voltage standard at NIST. Beasley has also had a long-standing interest in fluctuation effects in superconductors and in particular their role in fundamentally limiting possible high temperature superconductivity.

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