Oxide electronics utilizing ultrafast metal-insulator transitions

Z Yang, C Ko, S Ramanathan - Annual Review of Materials …, 2011 - annualreviews.org
Although phase transitions have long been a centerpiece of condensed matter materials
science studies, a number of recent efforts focus on potentially exploiting the resulting …

Control of the metal–insulator transition in vanadium dioxide by modifying orbital occupancy

NB Aetukuri, AX Gray, M Drouard, M Cossale, L Gao… - Nature Physics, 2013 - nature.com
External control of the conductivity of correlated oxides is one of the most promising
schemes for realizing energy-efficient electronic devices. Vanadium dioxide (VO2), an …

Thermoelectric Response in Nodal‐Point Semimetals

I Mandal, K Saha - Annalen der Physik, 2024 - Wiley Online Library
In this review, the thermoelectric properties in nodal‐point semimetals with two bands are
discussed. For the two‐dimensional (2D) cases, it is shown that the expressions of the …

Emergence of a Chern-insulating state from a semi-Dirac dispersion

H Huang, Z Liu, H Zhang, W Duan, D Vanderbilt - Physical Review B, 2015 - APS
By combining first-principles calculations with Wannier-based tight-binding modeling, we
demonstrate that a TiO 2/VO 2 heterostructure that was previously proposed as a …

Topological features of the Haldane model on a dice lattice: Flat-band effect on transport properties

S Mondal, S Basu - Physical Review B, 2023 - APS
We study the topological properties of a Haldane model on a band deformed dice lattice,
which has three atoms per unit cell (call them A, B, and C) and the spectrum comprises of …

Massive Symmetry Breaking in Quantum Wells: <?format ?>A Three-Orbital Strongly Correlated Generalization of Graphene

D Doennig, WE Pickett, R Pentcheva - Physical review letters, 2013 - APS
Density functional theory calculations with an on-site Coulomb repulsion term reveal
competing ground states in (111)-oriented (LaAlO 3) M/(SrTiO 3) N superlattices with n-type …

Floquet band structure of a semi-Dirac system

Q Chen, L Du, GA Fiete - Physical Review B, 2018 - APS
In this work we use Floquet-Bloch theory to study the influence of circularly and linearly
polarized light on two-dimensional band structures with semi-Dirac band touching points …

Emergent non-fermi-liquid at the quantum critical point of a topological phase transition in two dimensions

H Isobe, BJ Yang, A Chubukov, J Schmalian… - Physical review …, 2016 - APS
We study the effects of Coulomb interaction between 2D Weyl fermions with anisotropic
dispersion which displays relativistic dynamics along one direction and nonrelativistic …

Quantum multicriticality near the Dirac-semimetal to band-insulator critical point in two dimensions: A controlled ascent from one dimension

B Roy, MS Foster - Physical Review X, 2018 - APS
We compute the effects of generic short-range interactions on gapless electrons residing at
the quantum critical point separating a two-dimensional Dirac semimetal and a symmetry …

Phenomenology of a semi-Dirac semi-Weyl semimetal

S Banerjee, WE Pickett - Physical Review B—Condensed Matter and Materials …, 2012 - APS
We extend the semiclassical study of fermionic particle-hole symmetric semi-Dirac (more
appropriately, semi-Dirac semi-Weyl) dispersion of quasiparticles, ɛ K=±(kx 2/2 m) 2+(vky) …