4 papers
Electrically tunable and reversible magnetoelectric coupling in strained bilayer graphene
Brian T. Schaefer, Katja C. Nowack
The valleys in hexagonal two-dimensional systems with broken inversion symmetry carry an intrinsic orbital magnetic moment. Despite this, such systems possess zero net magnetizatio…
Scanning SQUID microscopy in a cryogen-free dilution refrigerator
D. Low, G. M. Ferguson, Alexander Jarjour +4
We report a scanning superconducting quantum interference device (SQUID) microscope in a cryogen-free dilution refrigerator with a base temperature at the sample stage of at least…
Gate-Tunable Graphene Hall Sensors with High Magnetic Field Sensitivity
Brian T. Schaefer, Lei Wang, Alexander Jarjour +4
Solid-state magnetic field sensors are important to both modern electronics and fundamental materials science. Many types of these sensors maintain high sensitivity only in a limit…
Evolution of superconductivity in ultrathin NbS2
Rusen Yan, Guru Khalsa, Brian T. Schaefer +5
We report a systematic study of thickness-dependent superconductivity and carrier transport properties in exfoliated layered 2H-NbS2. Hall-effect measurements reveal 2H-NbS2 in its…