810 citations · 1.6k across the 15 of their papers we have counts for
15 papers
Perspective: Reproducible Coherence Characterization of Superconducting Quantum Devices
Corey Rae H McRae, Gregory M Stiehl, Haozhi Wang +5
As the field of superconducting quantum computing approaches maturity, optimization of single-device performance is proving to be a promising avenue towards large-scale quantum com…
Direct Visualization of Trimerized States in 1T'-TaTe
Ismail El Baggari, Nikhil Sivadas, Gregory M. Stiehl +4
Transition-metal dichalcogenides containing tellurium anions show remarkable charge-lattice modulated structures and prominent interlayer character. Using cryogenic scanning transm…
Strong, Temperature-Dependent Spin-Orbit Torques in Heavy Fermion YbAl
Neal D Reynolds, Shouvik Chatterjee, Gregory M. Stiehl +6
The use of current-generated spin-orbit torques[1] to drive magnetization dynamics is under investigation to enable a new generation of non-volatile, low-power magnetic memory. Pre…
Imaging uncompensated moments and exchange-biased emergent ferromagnetism in FeRh thin films
Isaiah Gray, Gregory M. Stiehl, John T. Heron +5
Uncompensated moments in antiferromagnets are responsible for exchange bias in antiferromagnet/ferromagnet heterostructures; however, they are difficult to directly detect because…
Layer-dependent spin-orbit torques generated by the centrosymmetric transition metal dichalcogenide -MoTe
Gregory M. Stiehl, Ruofan Li, Vishakha Gupta +8
Single-crystal materials with sufficiently low crystal symmetry and strong spin-orbit interactions can be used to generate novel forms of spin-orbit torques on adjacent ferromagnet…
Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials
Gregory M. Stiehl, David MacNeill, Nikhil Sivadas +7
We report measurements of current-induced torques in heterostructures of Permalloy (Py) with TaTe, a transition-metal dichalcogenide (TMD) material possessing low crystal symme…
Spin Seebeck imaging of spin-torque switching in antiferromagnetic Pt/NiO heterostructures
Isaiah Gray, Takahiro Moriyama, Nikhil Sivadas +10
As electrical control of Néel order opens the door to reliable antiferromagnetic spintronic devices, understanding the microscopic mechanisms of antiferromagnetic switching is cruc…
Spin-orbit torques in NbSe/Permalloy bilayers
Marcos H. D. Guimaraes, Gregory M. Stiehl, David MacNeill +2
We present measurements of current-induced spin-orbit torques generated by NbSe, a fully-metallic transition-metal dichalcogenide material, made using the spin-torque ferromagn…
Thickness dependence of spin-orbit torques generated by WTe2
David MacNeill, Gregory M. Stiehl, Marcos H. D. Guimaraes +3
We study current-induced torques in WTe2/permalloy bilayers as a function of WTe2 thickness. We measure the torques using both second-harmonic Hall and spin-torque ferromagnetic re…
Control of spin-orbit torques through crystal symmetry in WTe2/ferromagnet bilayers
D. MacNeill, G. M. Stiehl, M. H. D. Guimaraes +3
Recent discoveries regarding current-induced spin-orbit torques produced by heavy-metal/ferromagnet and topological-insulator/ferromagnet bilayers provide the potential for dramati…
Thickness-Dependent Magnetoelasticity and its Effects on Perpendicular Magnetic Anisotropy in Ta|CoFeB|MgO Thin Films
Praveen G. Gowtham, Gregory M. Stiehl, Daniel C. Ralph +1
We report measurements of the in-plane magnetoelastic coupling in ultra-thin Ta|CoFeB|MgO layers as a function of uniaxial strain, conducted using a four-point bending apparatus. F…
Magnetic Structure and Ordering of Multiferroic Hexagonal LuFeO3
Steven M. Disseler, Julie A. Borchers, Charles M. Brooks +12
We report on the magnetic structure and ordering of hexagonal LuFeO3 films grown by molecular-beam epitaxy (MBE) on YSZ (111) and Al2O3 (0001) substrates. Using a set of complement…
Code-division multiplexing for x-ray microcalorimeters
G. M. Stiehl, W. B. Doriese, J. W. Fowler +7
We demonstrate the code-division multiplexed (CDM) readout of eight transition-edge sensor microcalorimeters. The energy resolution is 3.0 eV (full width at half-maximum) or better…
Optimization and analysis of code-division multiplexed TES microcalorimeters
J. W. Fowler, W. B. Doriese, G. C. Hilton +6
We are developing code-division multiplexing (CDM) systems for transition-edge sensor arrays with the goal of reaching multiplexing factors in the hundreds. We report on x-ray meas…
Time-division SQUID multiplexers with reduced sensitivity to external magnetic fields
G. M. Stiehl, H. M. Cho, G. C. Hilton +4
Time-division SQUID multiplexers are used in many applications that require exquisite control of systematic error. One potential source of systematic error is the pickup of externa…