99 citations · 213 across the 12 of their papers we have counts for
8 papers · 1 filter
Reexamining Machine Learning Models on Predicting Thermoelectric Properties
Chung T. Ma, S. Joseph Poon
Thermoelectric materials can generate clean energy by transforming waste heat into electricity. The effectiveness of thermoelectric materials is measured by the dimensionless figur…
Phase Change Induced Magnetic Switching through Metal-insulator Transition in VO2/TbFeCo Films
Chung T. Ma, Salinporn Kittiwatnakul, Apiprach Sittipongpittaya +4
The ability to manipulate spins in magnetic materials is essential in designing spintronics devices. One method for magnetic switching is through strain. In VO2 on TiO2 thin films,…
Measurement of the Dzyaloshinskii-Moriya Interaction in Mn4N Films that Host Skyrmions
Wei Zhou, Chung Ting Ma, S. Joseph Poon
Mn4N thin film is one of the potential magnetic mediums for spintronic devices due to its ferrimagnetism with low magnetization, large perpendicular magnetic anisotropy (PMA), ther…
Interfacial Mixing Effect in a Promising Skyrmionic Material: Ferrimagnetic MnN
Chung T. Ma, Wei Zhou, Brian J. Kirby +1
Interfacial mixing of elements is a well-known phenomenon found in thin film deposition. For thin-film magnetic heterostructures, interfacial compositional inhomogeneities can have…
Computing and Memory Technologies based on Magnetic Skyrmions
Hamed Vakili, Wei Zhou, Chung T Ma +13
Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable the possibility of compact, high density, ultrafast,all-electronic, low-energy devices, wh…
Tuning interfacial Dzyaloshinskii-Moriya interactions in thin amorphous ferrimagnetic alloys
Y. Quessab, J. -W. Xu, C. T. Ma +6
Skyrmions can be stabilized in magnetic systems with broken inversion symmetry and chiral interactions, such as Dzyaloshinskii-Moriya interactions (DMI). Further, compensation of m…
Amorphous Ferrimagnets: an Ideal Host for Ultra-Small Skyrmions at Room Temperature
S. Joseph Poon, Chung Ting Ma
Recently, magnetic skyrmion has emerged as an active topic of fundamental study and applications in magnetic materials research. Magnetic skyrmions are vortex-like spin excitations…
Exchange Bias and Bistable Magneto-Resistance States in Amorphous TbFeCo thin Films
Xiaopu Li, Chung T. Ma, Jiwei Lu +4
Amorphous TbFeCo thin films sputter deposited at room temperature on thermally oxidized Si substrate are found to exhibit strong perpendicular magnetic anisotropy (PMA). Atom probe…