27 citations · 126 across the 17 of their papers we have counts for
11 papers · 1 filter
Demonstrating magnetic memory in iron-rhodium structures using a quantum diamond microscope
Kristine V. Ung, Gregory M. Stephen, Nicholas A. Blumenschein +7
Iron-rhodium (FeRh) has a first-order phase transition near room temperature between antiferromagnetic (AFM) and ferromagnetic (FM) phases, making it a promising material for magne…
Evidence of a Hybridized Topological State in Weyl Semimetal/Topological Insulator MnSn/BiSb Heterostructures
Ryan T. Van Haren, Gillian P Boyce, Gregory M. Stephen +4
We report magnetotransport evidence of a hybridized Weyl semimetal (WSM) Fermi arc/topological insulator (TI) surface state at the interface of a ferromagnetic MnSn…
Anomalous low-field magnetoresistance in FeGa single crystals
Michelle E. Jamer, Gregory M. Stephen, Brandon Wilfong +6
FeGa possesses a helical spin spiral with a complex competition between ferromagnetic and antiferromagnetic ground states. This competition generates multiple metamagnetic…
Direct Comparison of Static and Dynamic Measurements of Spin Generation in a Topological Insulator Thin Film
Vinay Sharma, Sharadh Jois, Ryan Van Haren +6
The competition between intrinsic spin-orbit physics, magnetic phenomena, and the quality of materials and interfaces governs the charge-to-spin conversion processes that are essen…
Probing Magnetic Properties of RuO Heterostructures Through the Ferromagnetic Layer
Frank M. Abel, Subhash Bhatt, Shelby S. Fields +20
RuO has been proposed as the prototypical altermagnetic material. However, several reports have recently questioned its intrinsic magnetic ordering, leading to conflicting fi…
Quantum Monte Carlo and density functional theory study of strain and magnetism in 2D 1T-VSe with charge density wave states
Daniel Wines, Akram Ibrahim, Nishwanth Gudibandla +18
Two-dimensional (2D) 1T-VSe has prompted significant interest due to the discrepancies regarding alleged ferromagnetism (FM) at room temperature, charge density wave (CDW) stat…
Magnetotransport in graphene/Pb0.24Sn0.76Te heterostructures: finding a way to avoid catastrophe
Gregory M. Stephen, Ivan Naumov, Nicholas A. Blumenschein +9
While heterostructures are ubiquitous tools enabling new physics and device functionalities, the palette of available materials has never been richer. Combinations of two emerging…
Electrical and magnetic properties of thin films of the spin-filter material CrVTiAl
Gregory M. Stephen, Christopher Lane, Gianina Buda +5
The spin-filter material CrVTiAl is a promising candidate for producing highly spin-polarized currents at room temperature in a nonmagnetic architecture. Thin films of compensated-…
Structural and electronic properties of the spin-filter material CrVTiAl with disorder
Gregory M. Stephen, Gianina Buda, Michelle E. Jamer +7
The effects of chemical disorder on the transport properties of the spin-filter material CrVTiAl are investigated experimentally and theoretically. Synchrotron X-ray diffraction ex…
Synthesis of low-moment CrVTiAl: a potential room temperature spin filter
Gregory M. Stephen, Ian McDonald, Brian Lejeune +2
The efficient production of spin-polarized currents at room temperature is fundamental to the advancement of spintronics. Spin-filter materials --- semiconductors with unequal band…
Magnetic properties of low-moment ferrimagnetic Heusler Cr2CoGa thin films grown by molecular beam epitaxy
Michelle E. Jamer, George E. Sterbinsky, Gregory M. Stephen +3
Recently, theorists have predicted many materials with a low magnetic moment and large spin-polarization for spintronic applications. These compounds are predicted to form in the i…