113 citations · 702 across the 15 of their papers we have counts for
15 papers
Ferrimagnetic Heusler tunnel junctions with fast spin-transfer torque switching enabled by low magnetization
Chirag Garg, Panagiotis Ch. Filippou, Ikhtiar +10
Magnetic random access memory that uses magnetic tunnel junction memory cells is a high performance, non-volatile memory technology that goes beyond traditional charge-based memori…
Size scaling, dynamics, and electro-thermal bifurcation of VO2 Mott oscillators
Stephanie M. Bohaichuk, Suhas Kumar, Miguel Muñoz Rojo +7
Traditional electronic devices are well-known to improve in speed and energy-efficiency as their dimensions are reduced to the nanoscale. However, this scaling behavior remains unc…
Localized Triggering of the Insulator-Metal Transition in VO2 using a Single Carbon Nanotube
Stephanie M. Bohaichuk, Miguel Muñoz Rojo, Gregory Pitner +8
Vanadium dioxide (VO2) has been widely studied for its rich physics and potential applications, undergoing a prominent insulator-metal transition (IMT) near room temperature. The t…
Fast Spiking of a Mott VO2-Carbon Nanotube Composite Device
Stephanie M. Bohaichuk, Suhas Kumar, Greg Pitner +7
The recent surge of interest in brain-inspired computing and power-efficient electronics has dramatically bolstered development of computation and communication using neuron-like s…
Nonlinear magnetization dynamics driven by strong terahertz fields
Matthias Hudl, Massimiliano d'Aquino, Matteo Pancaldi +7
We present a comprehensive experimental and numerical study of magnetization dynamics triggered in a thin metallic film by single-cycle terahertz pulses of MV/m electric f…
Triply degenerate nodal points in RERhGe (RE=Y, La, Lu)
Peng-Jie Guo, Huan-Cheng Yang, Kai Liu +1
As a new type of fermions without counterpart in high energy physics, triply degenerate fermions show exotic physical properties, which are represented by triply degenerate nodal p…
THz-driven ultrafast spin-lattice scattering in amorphous metallic ferromagnets
S. Bonetti, M. C. Hoffmann, M. -J. Sher +5
We use single-cycle THz fields and the femtosecond magneto-optical Kerr effect to respectively excite and probe the magnetization dynamics in two thin-film ferromagnets with differ…
Measurement of collective excitations in VO by resonant inelastic X-ray scattering
Haowei He, A. X. Gray, P. Granitzka +14
Vanadium dioxide is of broad interest as a spin-1/2 electron system that realizes a metal-insulator transition near room temperature, due to a combination of strongly correlated an…
Ultrafast THz Field Control of Electronic and Structural Interactions in Vanadium Dioxide
A. X. Gray, M. C. Hoffmann, J. Jeong +34
Vanadium dioxide, an archetypal correlated-electron material, undergoes an insulator-metal transition near room temperature that exhibits electron-correlation-driven and structural…
Mesoscopic structural phase progression in photo-excited VO2 revealed by time-resolved x-ray diffraction microscopy
Yi Zhu, Zhonghou Cai, Pice Chen +11
Dynamical phase separation during a solid-solid phase transition poses a challenge for understanding the fundamental processes in correlated materials. Critical information underly…
Generation of high-frequency strain waves during femtosecond demagnetization of Fe/MgO films
T. Henighan, M. Trigo, S. Bonetti +22
We use femtosecond time-resolved hard x-ray scattering to detect coherent acoustic phonons excited during ultrafast laser demagnetization of bcc Fe films. We determine the lattice…
Correlation-driven insulator-metal transition in near-ideal vanadium dioxide films
A. X. Gray, J. Jeong, N. P. Aetukuri +17
We use polarization- and temperature-dependent x-ray absorption spectroscopy, in combination with photoelectron microscopy, x-ray diffraction and electronic transport measurements,…
X-ray magnetic circular dichroism study of epitaxial magnetite ultrathin film on MgO (100)
W. Q. Liu, M. Y. Song, N. J. Maltby +9
The spin and orbital magnetic moments of the Fe3O4 epitaxial ultrathin film synthesized by plasma assisted simultaneous oxidization on MgO(100) have been studied with X-ray magneti…
Extreme Ultraviolet Transient Grating Spectroscopy of Vanadium Dioxide
Emily Sistrunk, Jakob Grilj, Jaewoo Jeong +5
Nonlinear spectroscopy in the extreme ultraviolet (EUV) and soft x-ray spectral range offers the opportunity for element selective probing of ultrafast dynamics using core-valence…
Electronic and crystalline structures of zero band-gap PdLuBi thin films grown epitaxially on MgO(100)
Rong Shan, Siham Ouardi, Gerhard H. Fecher +8
Thin films of the proposed topological insulator PdLuBi - a Heusler compound with the C1b structure - were prepared on Ta-Mo-buffered MgO(100) substrates by co-sputtering from PdBi…