Multilevel YBaCuO flux transformers with high Tc SQUIDs: A prototype high Tc SQUID magnetometer working at 77 K
- B. Oh
- R.H. Koch
- et al.
- 1991
- Applied Physics Letters
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147 results for Roger H Koch
Magnetic hysteresis in integrated low Tc SQUID gradiometers
- R.H. Koch
- M.B. Ketchen
- et al.
- 1991
- Applied Physics Letters
ac impedance at the superconducting vortex glass transition (invited) (abstract)
- H.K. Olsson
- R.H. Koch
- et al.
- 1991
- Journal of Applied Physics
Use of a two-frequency ac bridge to measure 1/f noise in copper films
- K.P. Rodbell
- R.H. Koch
- 1991
- Physical Review B
Observation of critical scaling behavior in the ac impedance at the onset of superconductivity in a large magnetic field
- H.K. Olsson
- R.H. Koch
- et al.
- 1991
- Physical Review Letters
High-power, pulsed-microwave measurements of critical currents in thin films of Y-Ba-Cu-O and Nb
- N.S. Shiren
- R.B. Laibowitz
- et al.
- 1991
- Physical Review B
High Tc multilayers and edge junction SQUIDs
- R.B. Laibowitz
- R.H. Koch
- et al.
- 1990
- High Temperature Superconducting Compounds 1990
All high Tc edge junctions and SQUIDs
- R.B. Laibowitz
- R.H. Koch
- et al.
- 1990
- Applied Physics Letters
YBaCuO input coils with low Tc and high Tc SQUIDs
- B. Oh
- R.H. Koch
- et al.
- 1990
- Applied Physics Letters
Successive oxidation stages of adatoms on the Si(111)7×7 surface observed with scanning tunneling microscopy and spectroscopy
- J.P. Pelz
- R.H. Koch
- 1990
- Physical Review B