376 citations · 494 across the 11 of their papers we have counts for
12 papers
Reduced sensitivity to process, voltage and temperature variations in activated perpendicular magnetic tunnel junctions based stochastic devices
Md Golam Morshed, Laura Rehm, Ankit Shukla +5
True random number generators (TRNGs) are fundamental building blocks for many applications, such as cryptography, Monte Carlo simulations, neuromorphic computing, and probabilisti…
Anatomy of nanomagnetic switching at a 3D Topological Insulator PN junction
Hamed Vakili, Yunkun Xie, Samiran Ganguly +1
A P-N junction engineered within a Dirac cone system acts as a gate tunable angular filter based on Klein tunneling. For a 3D topological insulator with substantial bandgap, such a…
Self focusing Hybrid Skyrmions in spatially varying canted ferromagnetic systems
Hamed Vakili, Yunkun Xie, Avik W. Ghosh
Magnetic skyrmions are quasiparticle configurations in a magnetic film that can act as information carrying bits for ultrasmall, all-electronic nonvolatile memory. The skyrmions ca…
Robust Formation of Ultrasmall Room-Temperature Neél Skyrmions in Amorphous Ferrimagnets from Atomistic Simulations
Chung Ting Ma, Yunkun Xie, Howard Sheng +2
Neél skyrmions originate from interfacial Dzyaloshinskii Moriya interaction (DMI). Recent studies have explored using thin-film ferromagnets and ferrimagnets to host Neél skyrmions…
Computational search for ultrasmall and fast skyrmions in the Inverse Heusler family
Yunkun Xie, Jianhua Ma, Hamed Vakilitaleghani +2
Skyrmions are magnetic excitations that are potentially ultrasmall and topologically protected, making them interesting for high-density all-electronic ultrafast storage applicatio…
Reservoir Computing based Neural Image Filters
Samiran Ganguly, Yunfei Gu, Yunkun Xie +3
Clean images are an important requirement for machine vision systems to recognize visual features correctly. However, the environment, optics, electronics of the physical imaging s…
Skyrmion Formation Induced by Antiferromagnetic-enhanced Interfacial Dzyaloshinskii Moriya Interaction
Marco Chung Ting Ma, Yunkun Xie, Howard Sheng +2
Neél skyrmions originate from interfacial Dzyaloshinskii Moriya interaction (DMI). Recent studies have explored using ferromagnet to host Neél skyrmions for device applications. Ho…
Spintronic signatures of Klein tunneling in topological insulators
Yunkun Xie, Yaohua Tan, Avik W. Ghosh
Klein tunneling, the perfect transmission of normally incident Dirac electrons across a potential barrier, has been widely studied in graphene and explored to design switches, albe…
From materials to systems: a multiscale analysis of nanomagnetic switching
Yunkun Xie, Jianhua Ma, Samiran Ganguly +1
With the increasing demand for low-power electronics, nanomagnetic devices have emerged as strong potential candidates to complement present day transistor technology. A variety of…
Computational Investigation of Half-Heusler Compounds for Spintronics Applications
Jianhua Ma, Vinay I. Hegde, Kamaram Munira +6
We present first-principles density functional calculations of the electronic structure, magnetism, and structural stability of 378 half-Heusler compounds (with …
Numerical Fokker-Planck study of stochastic write error slope in spin torque switching
Yunkun Xie, Behtash Behin-Aein, Avik W. Ghosh
This paper analyzes write errors in spin torque switching due to thermal fluctuations in a system with Perpendicular Magnetic Anisotropy (PMA). Prior analytical and numerical metho…
Reducing error rates in straintronic multiferroic dipole-coupled nanomagnetic logic by pulse shaping
Kamaram Munira, Yunkun Xie, Souheil Nadri +5
Dipole-coupled nanomagnetic logic (NML), where nanomagnets with bistable magnetization states act as binary switches and information is transferred between them via dipole coupling…