InAs/GaSb Type‐II Superlattice Detectors

EA Plis - Advances in Electronics, 2014 - Wiley Online Library
InAs/(In, Ga) Sb type‐II strained layer superlattices (T2SLs) have made significant progress
since they were first proposed as an infrared (IR) sensing material more than three decades …

Electric and magnetic tuning between the trivial and topological phases in InAs/GaSb double quantum wells

F Qu, AJA Beukman, S Nadj-Perge, M Wimmer… - Physical review …, 2015 - APS
Among the theoretically predicted two-dimensional topological insulators, InAs/GaSb double
quantum wells (DQWs) have a unique double-layered structure with electron and hole …

Tuning Edge States in Strained-Layer Quantum Spin Hall Insulators

L Du, T Li, W Lou, X Wu, X Liu, Z Han, C Zhang… - Physical review …, 2017 - APS
We report on a class of quantum spin Hall insulators (QSHIs) in strained-layer InAs/GaInSb
quantum wells, in which the bulk gaps are enhanced up to fivefold as compared to the …

Gate-controlled semimetal-topological insulator transition in an InAs/GaSb heterostructure

K Suzuki, Y Harada, K Onomitsu, K Muraki - Physical Review B, 2015 - APS
We report a gate-controlled transition of a semimetallic InAs/GaSb heterostructure to a
topological insulator. The transition is induced by decreasing the degree of band inversion …

Insulating State and Giant Nonlocal Response in an Quantum Well in the Quantum Hall Regime

F Nichele, AN Pal, P Pietsch, T Ihn, K Ensslin… - Physical review …, 2014 - APS
We present transport measurements performed in InAs/GaSb double quantum wells. At the
electron-hole crossover tuned by a gate voltage, a strong increase in the longitudinal …

Engineering quantum spin Hall insulators by strained-layer heterostructures

T Akiho, F Couëdo, H Irie, K Suzuki, K Onomitsu… - Applied Physics …, 2016 - pubs.aip.org
Quantum spin Hall insulators (QSHIs), also known as two-dimensional topological
insulators, have emerged as an unconventional class of quantum states with insulating bulk …

Materials considerations for forming the topological insulator phase in InAs/GaSb heterostructures

B Shojaei, AP McFadden, M Pendharkar, JS Lee… - Physical Review …, 2018 - APS
In an ideal InAs/GaSb bilayer of appropriate dimension, in-plane electron and hole bands
overlap and hybridize, and a topologically nontrivial, or quantum spin Hall (QSH) insulator …

Anomalously large resistance at the charge neutrality point in a zero-gap InAs/GaSb bilayer

W Yu, V Clericò, CH Fuentevilla, X Shi… - New Journal of …, 2018 - iopscience.iop.org
We report here our recent electron transport results in spatially separated two-dimensional
electron and hole gases with nominally degenerate energy subbands, realized in an InAs …

[HTML][HTML] Far infrared edge photoresponse and persistent edge transport in an inverted InAs/GaSb heterostructure

GC Dyer, X Shi, BV Olson, SD Hawkins… - Applied Physics …, 2016 - pubs.aip.org
Direct current (DC) transport and far infrared photoresponse were studied an InAs/GaSb
double quantum well with an inverted band structure. The DC transport depends …

[HTML][HTML] Superconducting proximity effect in inverted InAs/GaSb quantum well structures with Ta electrodes

W Yu, Y Jiang, C Huan, X Chen, Z Jiang… - Applied Physics …, 2014 - pubs.aip.org
We present our recent electronic transport results in top-gated InAs/GaSb quantum well
hybrid structures with superconducting Ta electrodes. We show that the transport across the …