429 citations · 517 across the 14 of their papers we have counts for
15 papers
Interfacial exchange and magnetostatic coupling in a CoFeB/Thulium Iron Garnet heterostructure
Walid Al Misba, Jenae E. Shoup, Miela J. Gross +5
We investigate the exchange coupling between a ferrimagnetic insulator (FI) thulium iron garnet (TmIG) deposited on a gadolinium gallium garnet (GGG) substrate, which shows perpend…
Interface-engineered voltage-driven magnetic tunnel junctions with ultra-low-energy magnetization switching
Yu Zhang, Meng Xu, Bowei Zhou +9
Electric-field control of spin states offers a promising route to ultra-low-power, ultra-fast magnetization switching in spintronic devices such as magnetic tunnel junctions (MTJs)…
Strain Mediated Voltage Control of Magnetic Anisotropy and Magnetization Reversal in Bismuth Substituted Yttrium Iron Garnet Films and Meso-structures
Walid Al Misba, Miela Josephine Gross, Kensuke Hayashi +3
We report on magnetic anisotropy modulation in Bismuth substituted Yttrium Iron Garnet (Bi-YIG) thin films and mesoscale patterned structures deposited on a PMN-PT substrate with t…
Perpendicular magnetic anisotropy, tunneling magnetoresistance and spin-transfer torque effect in magnetic tunnel junctions with Nb layers
Bowei Zhou, Pravin Khanal, Onri Jay Benally +7
Nb and its compounds are widely used in quantum computing due to their high superconducting transition temperatures and high critical fields. Devices that combine superconducting p…
Perpendicular magnetic tunnel junctions with multi-interface free layer
Pravin Khanal, Bowei Zhou, Magda Andrade +8
Future generations of magnetic random access memory demand magnetic tunnel junctions that can provide simultaneously high magnetoresistance, strong retention, low switching energy…
Large magneto-optical Kerr effect and imaging of magnetic octupole domains in an antiferromagnetic metal
Tomoya Higo, Huiyuan Man, Daniel B. Gopman +14
When a polarized light beam is incident upon the surface of a magnetic material, the reflected light undergoes a polarization rotation. This magneto-optical Kerr effect (MOKE) has…
The Polar Nano Regions Relaxor Transition in ; = bulk concentration of nearest neighbor [Pb-O] divacancies
B. P. Burton, Eric Cockayne, D. B. Gopman +2
In previous work, molecular dynamics simulations based on a first-principles-derived effective Hamiltonian for ~ (PSN), with nearest-neighbor Pb-…
Strain-assisted magnetization reversal in Co/Ni multilayers with perpendicular magnetic anisotropy
Daniel B. Gopman, Cindi L. Dennis, Andrew P. Chen +4
Multifunctional materials composed of ultrathin magnetic films with perpendicular magnetic anisotropy combined with ferroelectric substrates represent a new approach toward low pow…
Spin-transfer assisted thermally activated switching distributions in perpendicularly magnetized spin valve nanopillars
D. B. Gopman, D. Bedau, S. Mangin +3
We present switching field distributions of spin-transfer assisted magnetization reversal in perpendicularly magnetized Co/Ni multilayer spin-valve nanopillars at room temperature.…
Temperature dependent nucleation and propagation of domain walls in a sub-100 nm perpendicularly magnetized Co/Ni multilayer
D. B. Gopman, D. Bedau, S. Mangin +3
We present a study of the temperature dependence of the switching fields in Co/Ni-based perpendicularly magnetized spin-valves. While magnetization reversal of all-perpendicular Co…
Bimodal switching field distributions in all-perpendicular spin-valve nanopillars
Daniel B. Gopman, Daniel Bedau, Stéphane Mangin +3
Switching field measurements of the free layer element of 75 nm diameter spin-valve nanopillars reveal a bimodal distribution of switching fields at low temperatures (below 100 K).…
Temperature dependence of the switching field distributions in all-perpendicular spin-valve nanopillars
D. B. Gopman, D. Bedau, G. Wolf +4
We present temperature dependent switching measurements of the Co/Ni multilayered free element of 75 nm diameter spin-valve nanopillars. Angular dependent hysteresis measurements a…
FLUXCAP: A flux-coupled ac/dc magnetizing device
Daniel B. Gopman, Huanlong Liu, Andrew D. Kent
We report on an instrument for applying ac and dc magnetic fields by capturing the flux from a rotating permanent magnet and projecting it between two adjustable pole pieces. This…
Audio Cards for High-Resolution and Economical Electronic Transport Studies
Daniel B. Gopman, Daniel Bedau, Andrew D. Kent
We report on a technique for determining electronic transport properties using commercially available audio cards. Using a typical 24-bit audio card simultaneously as a sine wave g…
Asymmetric switching behavior in perpendicularly magnetized spin-valve nanopillars due to the polarizer dipole field
Daniel B. Gopman, Daniel Bedau, Stephane Mangin +4
We report the free layer switching field distributions of spin-valve nanopillars with perpendicular magnetization. While the distributions are consistent with a thermal activation…