User profiles for X. Qi

Xiao-Liang Qi (祁晓亮)

- Verified email at stanford.edu - Cited by 76055

Xiaojuan Qi

- Verified email at eee.hku.hk - Cited by 27125

Xiaoying Qi

- Verified email at simtech.a-star.edu.sg - Cited by 17587

Topological insulators and superconductors

XL Qi, SC Zhang - Reviews of modern physics, 2011 - APS
… half-space x > 0 in the x–y plane. … x and ~MškxŽ ž M Ā Bk2 x. All kx-dependent terms are
included in ~H0. For such a semiinfinite system, kx needs to be replaced by the operator Āi@x. …

Graphene‐based materials: synthesis, characterization, properties, and applications

X Huang, Z Yin, S Wu, X Qi, Q He, Q Zhang, Q Yan… - small, 2011 - Wiley Online Library
Graphene, a two‐dimensional, single‐layer sheet of sp 2 hybridized carbon atoms, has
attracted tremendous attention and research interest, owing to its exceptional physical properties…

Graphene-based composites

X Huang, X Qi, F Boey, H Zhang - Chemical Society Reviews, 2012 - pubs.rsc.org
… , we have shown that GO can be used to template the growth of Ag nanostructures via the
electroless deposition, by simply heating GO films deposited on APTES-modified Si/SiO x

Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface

H Zhang, CX Liu, XL Qi, X Dai, Z Fang, SC Zhang - Nature physics, 2009 - nature.com
… , the Bi x Sb 1−x alloy has been predicted to be a topological insulator for a small range of
x, … As Bi x Sb 1−x is an alloy with random substitutional disorder, its electronic structures and …

[HTML][HTML] Crossover of the three-dimensional topological insulator Bi2Se3 to the two-dimensional limit

…, CL Song, LL Wang, X Chen, JF Jia, Z Fang, X Dai… - Nature Physics, 2010 - nature.com
A topological insulator 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 is a new state of quantum matter that is
characterized by a finite energy gap in the bulk and gapless modes flowing along the …

Pyramid scene parsing network

H Zhao, J Shi, X Qi, X Wang… - Proceedings of the IEEE …, 2017 - openaccess.thecvf.com
Scene parsing is challenging for unrestricted open vocabulary and diverse scenes. In this
paper, we exploit the capability of global context information by different-region-based context …

Experimental Realization of a Three-Dimensional Topological Insulator, Bi2Te3

…, ZK Liu, SK Mo, XL Qi, HJ Zhang, DH Lu, X Dai… - science, 2009 - science.org
… The 3D spectra intensity plot in (k x , k y , E) space (Fig. 3A) and the cross sections of the
Dirac-like dispersion at various binding energies (Fig. 3, B to E) are demonstrated. …

Epidemiology of COVID-19 among children in China

Y Dong, X Mo, Y Hu, X Qi, F Jiang, Z Jiang… - Pediatrics, 2020 - publications.aap.org
… the funding, and reviewed and revised the manuscript; Ms Dong and Dr Mo conducted the
initial analyses, drafted the initial manuscript, and reviewed and revised the manuscript; Dr Qi, …

Imparting functionality to a metal–organic framework material by controlled nanoparticle encapsulation

…, BG Hauser, X Qi, Y Wang, X Wang, S Han, X Liu… - Nature …, 2012 - nature.com
… As revealed by powder X-ray diffraction (XRD) measurements (Supplementary Fig. S9), all
the hybrid materials exhibited diffraction patterns identical to that of ZIF-8. Compared to strong …

Quantum spin Hall insulator state in HgTe quantum wells

…, C Brune, A Roth, H Buhmann, LW Molenkamp, XL Qi… - Science, 2007 - science.org
… Here, k x and k y are momenta in the plane of the two-dimensional electron gas (2DEG),
and A, B, C, and D are material specific constants. Spin-orbit coupling is naturally built-in in this …