809 citations · 28.2k across the 927 of their papers we have counts for
42 papers · 1 filter
High-Temperature ferromagnetism from site-selective filling in (Fe,Ni)GeTe
Tyler L. Werner, Jonathan T. Reichanadter, Xiang Chen +23
The discovery of high-temperature ferromagnetism in the metallic van der Waals (vdW) system FeGeTe has brought two-dimensional (2D) magnets into technologically relevant te…
Thermal diffuse scattering in TEM: complex absorptive potentials compared to the frozen phonon model
Martin Hájek, Ján Rusz
In transmission electron microscopy, electrons undergo inelastic scattering primarily through phonon excitations, known as thermal diffuse scattering. To capture the inelastic scat…
Combining Frozen Trajectory Excitation and TACAW for in silico Time-Resolved Vibrational Electron Energy Loss/Gain Spectroscopy
Wojciech Marciniak, Joanna Marciniak, José Ángel Castellanos-Reyes +1
Seeing that ultrafast (picosecond timescale) vibrational electron energy loss spectroscopy (EELS) should soon be experimentally realizable, we present in silico approach capable of…
Negative magnetoresistance in strained -Sn and -SnGe films in an in-plane magnetic field
Sunny Phan, Andrei Kogan, Jesse Thompson +3
To test the hypothesis that the chiral anomaly is responsible for negative magnetoresitance (MR) in \atn{}, we have studied magnetotransport in strained, epitaxial films of pure \a…
The rise and fall of an oxide: growth and evolution of Bismuth Oxide on Au(111)
Alberto Turoldo, Marco Bianchi, Deborah Perco +4
We report a comprehensive, multi-technique study of bismuth oxide growth on Au(111) under different conditions such as temperature and exposure to molecular oxygen. By combining sy…
Effects of Interactions and Defect Motion on Ramp Reversal Memory in Locally Phase Separated Materials
Y. Sun, M. Alzate Banguero, P. Salev +4
The ramp-reversal memory (RRM) effect in metal-insulator transition metal oxides (TMOs), a non-volatile resistance change induced by repeated temperature cycling, has attracted con…
Observation of Anomalous Hall Effect in Bulk Single Crystals of n-type Cr-doped SbTe Magnetic Topological Insulator
Ali Sarikhani, Mathew Pollard, Jacob Cook +7
The exploration of topological Dirac surface states is significant in the realms of condensed matter physics and future technological innovations. Among the materials garnering att…
Theory of Momentum-Resolved Electron Energy-Loss Spectra of Coupled Phonon and Magnon Excitations
José Ángel Castellanos-Reyes, Ivan P. Miranda, Paul M. Zeiger +2
We develop a theory of momentum-resolved electron energy-loss spectra in the scanning transmission microscope (STEM-EELS) that captures the effects of coupled phonon and magnon exc…
Cryogenic spin 3/2 nuclear quadrupole resonance: Spin relaxation and electric field gradient via Rabi frequency goniometry
Ritik R. Modi, Karen L. Sauer
A straightforward way to determine the electric field gradient principal axes frame (EFG-PAF) on single crystal samples with spin 3/2 nuclei is demonstrated. Nuclear quadrupole…
Understanding and Controlling V-Doping and S-Vacancy Behavior in Two-Dimensional Semiconductors- Toward Predictive Design
Shreya Mathela, Zhuohang Yu, Zachary D. Ward +11
Doping in transition metal dichalcogenide (TMD) monolayers provides a powerful method to precisely tailor their electronic, optical, and catalytic properties for advanced technolog…
Epitaxial Stabilization and Emergent Charge Order in Copper Selenide Thin Films
B. M. Sharif, B. Theunissen, C. Westbrook +5
We demonstrate epitaxial growth of copper selenide (CuSe) thin films in both cubic and rhombohedral phases, achieved via molecular beam epitaxy on AlO (001) substra…
Anomalous hardening of spin waves in cobalt/molecular-semiconductor heterostructures reveals strongly anisotropic spinterface magnetism
J. Strohsack, A. Shumilin, H. Zhao +11
The interface between a ferromagnetic metal and an organic molecular semiconductor, commonly referred to as a spinterface, is an important component for advancing spintronic techno…
Ferroaxial phonons in chiral and polar NiCo2TeO6
V. A. Martinez, Y. Gao, J. Yang +7
Perfect circular dichroism has been observed in the Raman scattering by the optical phonons in single chiral domain NiCo2TeO6 crystals. The selection rules for the optical phonons…
Spin polarization of the two-dimensional electron gas at the EuO/SrTiO interface
Paul Rosenberger, Andri Darmawan, Olena Fedchenko +10
Spin-polarized two-dimensional electron gases (2DEGs) are of particular interest for functional oxide electronics applications. The redox-created 2DEG residing on the strontium tit…
Ultra-Wide Bandgap Gallium Oxide Films: UV-Luminescence and Phonon Dynamics at Extreme Temperatures
Isiaka Lukman, Matthew D. McCluskey, Leah Bergman
-GaO is a semiconductor with bandgap in the deep-UV ~ 5 eV. Due to its strong phonon-hole coupling, holes are self-trapped inhibiting bandgap luminescence at the deep-UV…
Structure and mechanical properties of monolayer amorphous carbon and boron nitride
Xi Zhang, Yu-Tian Zhang, Yun-Peng Wang +4
Amorphous materials exhibit various characteristics that are not featured by crystals and can sometimes be tuned by their degree of disorder (DOD). Here, we report results on the m…
Structure prediction and characterization of CuI-based ternary -type transparent conductors
Michael Seifert, Tomáš Rauch, Miguel A. L. Marques +1
Zincblende copper iodide has attracted significant interest as a potential material for transparent electronics, thanks to its exceptional light transmission capabilities in the vi…
Magnetism and phase diagrams of Na and Ag substituted EuCdAs
Brinda Kuthanazhi, Kamal R. Joshi, Sunil Ghimire +7
EuCdAs is an antiferromagnetic semimetal, that can host non-trivial topological properties, depending upon its magnetic state and excitations. Here, we report the synthesis…
Theory-guided investigation on magnetic evolution of MnPtPdP and discovery of anti-CeCoIn-type ferromagnetic MnPdP
Ranuri S. Dissanayaka Mudiyanselage, Chang-Jong Kang, Kaya Wei +5
We report the magnetic changes from canted antiferromagnetic to ferromagnetic orderings in anti-115-type MnPtPdP ( = 1, 2, 2.5, 3, 4, and 5) and the discovery of a n…
Current induced switching in Mn2Au from first principles
Severin Selzer, Leandro Salemi, András Deák +4
It is well established that it is possible to switch certain antiferromagnets electrically, yet the interplay of Néel-spin-orbit torques and thermal activation is only poorly under…
Electrochromism of Ni-deficient nickel oxide -- Theoretical justification
Igor A. Pašti, Ana S. Dobrota, Dmitri Migas +2
The development of new electrochromic materials and devices, like smart windows, has an enormous impact on the energy efficiency of modern society. One of the crucial materials in…
Fabrication Of Economical Signal Amplified Vibrating Sample Magnetometer With Spiral Designed Detector
Aditya Dash, Rabindra Sarkar, Abel Mathew +1
The design and fabrication of a cost-effective vibrating sample magnetometer are explained. Improvement in the detected signal can be obtained using an operational amplifier circui…
Giant Polarization and Abnormal Flexural Deformation in Bent Freestanding Perovskite Oxides
Songhua Cai, Yingzhuo Lun, Dianxiang Ji +15
Recent realizations of ultrathin freestanding perovskite oxides offer a unique platform to probe novel properties in two-dimensional oxides. Here, we observed a giant flexoelectric…
Imitation of spin density wave order in CuNbO
N. Giles-Donovan, N. Qureshi, R. D. Johnson +4
Spin density waves, based on modulated local moments, are usually associated with metallic materials, but have recently been reported in insulators which display coupled magnetic a…