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Long and Very Long Wavelength InAs/InAsSb Superlattice Complementary Barrier Infrared Detectors
While the n -type InAs/InAsSb type-II strained layer superlattice (T2SLS) has demonstrated excellent detector and focal plane array performance in the...
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Prediction of Shockley-Read-Hall Centers in Strained Layer Superlattices for Mid-Wave Infrared Photodetectors
We have used a recently developed approach that employs first-principles Hamiltonians, tight-binding Hamiltonians, and Green’s function methods to...
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Persistent half-metallic ferromagnetism in a (111)-oriented manganite superlattice
We employ electronic structure calculations to show that a (111)-oriented (LaMnO 3 ) 12 ∣(SrMnO 3 ) 6 superlattice retains a half-metallic ferromagnetic...
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Simulation of Impact Ionization Coefficients in InAlAs/InAsSb Type-II Superlattice Material Systems
We simulate transport for proposed low excess-noise avalanche photodiode InAlAs/InAsSb type-II superlattice materials to evaluate their impact...
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LaBr2 bilayer multiferroic moiré superlattice with robust magnetoelectric coupling and magnetic bimerons
Two-dimensional (2D) van der Waals (vdW) materials provide the versatile playground to stack two or more vdW layers for creation of superior...
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Moiré superlattice engineering of two-dimensional materials for electrocatalytic hydrogen evolution reaction
Vertically stacking two-dimensional (2D) materials with small azimuthal deviation or lattice mismatch generate distinctive global structural...
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Development of InAs/InAsSb Type II Strained-Layer Superlattice Unipolar Barrier Infrared Detectors
We recently reported mid-wavelength infrared (MWIR) InAs/InAsSb type II strained-layer superlattice (T2SLS) unipolar barrier detectors and...
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Defect Engineering in MBE-Grown CdTe Buffer Layers on GaAs (211)B Substrates
Demand for high-performance HgCdTe infrared detectors with larger array size and lower cost has fuelled the heteroepitaxial growth of HgCdTe on CdTe...
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High-Performance Anodic Vulcanization-Pretreated Gated P+–π–M–N+ InAs/GaSb Superlattice Long-Wavelength Infrared Detector
The InAs/GaSb superlattice infrared detector has been developed with tremendous effort. However, the performance of it, especially long-wavelength...
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Magnetic Properties, Spin Glass State, and Exchange Bias Effect in Strained [La0.8Ca0.2MnO3/La0.5Ca0.5MnO3]20 Films
Perovskite manganites have been widely studied due to their rich magnetic and electrical properties, such as the colossal magnetoresistance (CMR)...
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Long Wavelength InAs/InAsSb Infrared Superlattice Challenges: A Theoretical Investigation
InAs/InAsSb type-II superlattice focal plane arrays that demonstrate high operability and uniformity with cutoffs ranging from 5 μm to 13 μm have...
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Moiré patterns arising from bilayer graphone/graphene superlattice
Moiré patterns from two-dimensional (2D) graphene heterostructures assembled via van der Waals interactions have sparked considerable interests in...
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Mechanistic study of superlattice-enabled high toughness and hardness in MoN/TaN coatings
Machining and forming tools exposed to challenging environments require protective coatings to extend their lifetime and reliability. Although...
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Dual strategy of modulating growth temperature and inserting ultrathin barrier to enhance the wave function overlap in type-II superlattices
Maximizing wave function overlap (WFO) within type-II superlattices (T2SL) is demonstrated to be important for improving their photoelectric...
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Tunable Electronic Properties of MoS2/SiC Heterostructures: A First-Principles Study
Using first-principle calculations based on density functional theory, we have systematically investigated the structural and electronic properties...
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Recent advances on liquid intercalation and exfoliation of transition metal dichalcogenides: From fundamentals to applications
The weak van der Waals gap endows two dimensional transition metal dichalcogenides (2D TMDs) with the potential to realize guest intercalation and...
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Strained CdZnTe/CdTe Superlattices As Threading Dislocation Filters in Lattice Mismatched MBE Growth of CdTe on GaSb
In this work, multiple sets of CdZnTe/CdTe strained-layer superlattices have been used as dislocation filtering layers for reducing the threading...
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Operando electron microscopy investigation of polar domain dynamics in twisted van der Waals homobilayers
Conventional antiferroelectric materials with atomic-scale anti-aligned dipoles undergo a transition to a ferroelectric (FE) phase under strong...
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Interfacial engineering manipulation of magnetic anisotropy evolution via orbital reconstruction in low-dimensional manganite superlattices
Control of magnetic anisotropy in low-dimensional systems is of paramount importance in terms of their fundamental and technological perspectives. La 0.7...
