271 citations · 518 across the 14 of their papers we have counts for
14 papers
High temperature, gate-free quantum anomalous Hall effect with an active capping layer
Hee Taek Yi, Deepti Jain, Xiong Yao +1
Quantum anomalous Hall effect (QAHE) was discovered a decade ago, but is still not utilized beyond a handful of research groups, due to numerous limitations such as extremely low t…
Quantum anomalous Hall effects controlled by chiral domain walls
Qirui Cui, Jinghua Liang, Yingmei Zhu +2
We report the interplay between two different topological phases in condensed matter physics, the magnetic chiral domain wall (DW), and the quantum anomalous Hall (QAH) effect. We…
Monolayer superconductivity and tunable topological electronic structure at the Fe(Te,Se)/Bi2Te3 interface
Robert G. Moore, Tyler Smith, Xiong Yao +6
The interface between two-dimensional topological Dirac states and an s-wave superconductor is expected to support Majorana bound states that can be used for quantum computing appl…
Superconducting four-fold Fe(Te,Se) film on six-fold magnetic MnTe via hybrid symmetry epitaxy
Xiong Yao, Alessandro R. Mazza, Myung-Geun Han +4
Epitaxial Fe(Te,Se) thin films have been grown on various substrates but never been realized on magnetic layers. Here we report the epitaxial growth of four-fold Fe(Te,Se) film on…
From classical to quantum regime of topological surface states via defect engineering
Maryam Salehi, Xiong Yao, Seongshik Oh
Since the notion of topological insulator (TI) was envisioned in late 2000s, topology has become a new paradigm in condensed matter physics. Realization of topology as a generic pr…
Suppressing carrier density in (BixSb1-x)2Te3 films using Cr2O3 interfacial layers
Xiong Yao, Hee Taek Yi, Deepti Jain +1
Band structure engineering and interfacial buffer layers have been demonstrated as effective means to tune the Fermi level in topological insulators (TI). In particular, the charge…
Hybrid symmetry epitaxy of superconducting Fe(Te,Se) film on a topological insulator
Xiong Yao, Matthew Brahlek, Hee Taek Yi +4
It is challenging to grow an epitaxial four-fold compound superconductor (SC) on six-fold topological insulator (TI) platform due to stringent lattice-matching requirement. Here, w…
Spacer-layer-tunable magnetism and high-field topological Hall effect in topological insulator heterostructures
Xiong Yao, Hee Taek Yi, Deepti Jain +2
Controlling magnetic order in magnetic topological insulators (MTIs) is a key to developing spintronic applications with MTIs, and is commonly achieved by changing the magnetic dop…
Structurally and Chemically Compatible BiInSe3 Substrate for Topological Insulator Thin Films
Xiong Yao, Jisoo Moon, Sang-Wook Cheong +1
Quality of epitaxial films strongly depends on their structural and chemical match with the substrates: the more closely they match, the better the film quality is. Topological ins…
Studies on the origin of the interfacial superconductivity of Sb2Te3/Fe1+yTe heterostructures
Jing Liang, Yu Jun Zhang, Xiong Yao +5
The recent discovery of the interfacial superconductivity (SC) of the Bi2Te3/Fe1+yTe heterostructure has attracted extensive studies due to its potential as a novel platform for tr…
Record-High Proximity-Induced Anomalous Hall Effect in (BiSb)2Te Thin Film Grown on CrGeTe Substrate
Xiong Yao, Bin Gao, Myung-Geun Han +6
Quantum anomalous Hall effect(QAHE) can only be realized at extremely low temperatures in magnetically doped topological insulators(TIs) due to limitations inherent with the doping…
Superconductivity with topological surface state in SrxBi2Se3
Zhongheng Liu, Xiong Yao, Jifeng Shao +5
By intercalation of alkaline-earth metal Sr in Bi2Se3, superconductivity with large shielding volume fraction (~91.5% at 0.5 K) has been achieved in Sr0.065Bi2Se3. The analysis of…
Superconducting properties of novel BiSe-based layered LaOFBiSe single crystals
Jifeng Shao, Zhongheng Liu, Xiong Yao +5
F-doped LaOBiSe superconducting single crystals with typical size of 240.2 mm are successfully grown by flux method and the superconducting properties a…
Bulk superconductivity in single phase Bi3O2S3
Jifeng Shao, Zhongheng Liu, Xiong Yao +4
We report the synthesis of single phase Bi3O2S3 sample and confirm the occurrence of bulk superconductivity with transition temperature at 5.8 K. The Bi3O2S3 super-conductor is cat…