Magnetic topological insulators and quantum anomalous hall effect

X Kou, Y Fan, M Lang, P Upadhyaya… - Solid State …, 2015 - Elsevier
When the magnetic order is introduced into topological insulators (TIs), the time-reversal
symmetry (TRS) is broken, and the non-trivial topological surface is driven into a new …

Theoretical description of carrier mediated magnetism in cobalt doped ZnO

A Walsh, JLF Da Silva, SH Wei - Physical review letters, 2008 - APS
Substitutional cobalt in ZnO has a weak preference for antiferromagnetic ordering.
Stabilization of ferromagnetism is achieved through n-type do**, which can be understood …

Suppression of ferromagnetism due to N Co-do** in Cr (II)-doped ZnS nanowires and their optical properties: Insights from density-functional calculations

MS Khan, B Zou, S Yao, Z ul Haq, AS Abdulla… - Journal of Magnetism …, 2023 - Elsevier
Spin-related optical properties will be the main basis for future information technology, but
they require microscopic ferromagnetic and anti-ferromagnetic couplings between the d …

Computational studies of doped nanostructures

JR Chelikowsky, MMG Alemany, TL Chan… - Reports on Progress …, 2011 - iopscience.iop.org
One of the most challenging issues in materials physics is to predict the properties of defects
in matter. Such defects play an important role in functionalizing materials for use in …

Electronic and magnetic properties of vanadium dichalcogenides monolayers tuned by hydrogenation

H Pan - The Journal of Physical Chemistry C, 2014 - ACS Publications
First-principles calculations based on density-functional theory are carried out to
systematically investigate the effects of hydrogenation on the electronic and magnetic …

Magnetic properties of carbon doped CdS: a first-principles and Monte Carlo study

H Pan, YP Feng, QY Wu, ZG Huang, J Lin - Physical Review B—Condensed …, 2008 - APS
Carbon do** of CdS is studied using first-principles calculations and Monte Carlo
simulation. Our calculations predict ferromagnetism in C doped CdS, resulting from carbon …

Hydrogenation-controlled phase transition on two-dimensional transition metal dichalcogenides and their unique physical and catalytic properties

Y Qu, H Pan, CT Kwok - Scientific reports, 2016 - nature.com
Abstract Two-dimensional (2D) transition metal dichalcogenides (TMDs) have been widely
used from nanodevices to energy harvesting/storage because of their tunable physical and …

Manipulating surface-related ferromagnetism in modulation-doped topological insulators

X Kou, L He, M Lang, Y Fan, K Wong, Y Jiang, T Nie… - Nano …, 2013 - ACS Publications
A new class of devices based on topological insulators (TI) can be achieved by the direct
engineering of the time-reversal-symmetry (TRS) protected surface states. In the meantime …

Magnetic and Electronic Evolutions of Hydrogenated VTe2 Monolayer under Tension

H Pan - Scientific reports, 2014 - nature.com
Two-dimensional nanostructures with controllable magnetic and electronic properties are
desirable for their versatile applications in quantum devices. Here, we present a first …

First-principles prediction of electronic structure and magnetic ordering of rare-earth metals doped ZnO

XJ Zhang, WB Mi, XC Wang, HL Bai - Journal of alloys and compounds, 2014 - Elsevier
The electronic structure and magnetism of RE (RE= La, Ce, Pr, Nd and Eu) doped ZnO are
investigated by first-principles calculations. La do** can result in a diamagnetic ground …