23 citations · 45 across the 6 of their papers we have counts for
6 papers
Chiral edge transport along domain walls in magnetic topological insulator nanoribbons
Nezhat Pournaghavi, Carlo M. Canali
Quantum anomalous Hall insulators are topologically characterized by non-zero integer Chern numbers, the sign of which depends on the direction of the exchange field that breaks ti…
Spin transport properties in a topological insulator sandwiched between two-dimensional magnetic layers
Nezhat Pournaghavi, Banasree Sadhukhan, Anna Delin
Nontrivial band topology along with magnetism leads to different novel quantum phases. When time-reversal-symmetry is broken in three-dimensional topological insulators (TIs) by ap…
Carbosilicene and germasilicene: Two 2D materials with excellent structural, electronic and optical properties
Saeid Amjadian, Mahdi Esmaeilzadeh, Nezhat Pournaghavi
Using first principle calculations, we study the structural, optical and electronic properties of two-dimensional silicene-like structures of CSi7 (carbosilicene) and GeSi7 (germas…
Realization of the Chern insulator and Axion insulator phases in antiferromagnetic -- heterostructures
N. Pournaghavi, M. F. Islam, Rajibul Islam +3
Breaking time-reversal symmetry in three-dimensional topological insulator thin films can lead to different topological quantum phases, such as the Chern insulator (CI) phase, and…
Impurity induced topological phase transitions in CdAs and NaBi Dirac semimetals
A. Rancati, N. Pournaghavi, M. F. Islam +2
Using first-principles density functional theory calculations, combined with a topological analysis, we have investigated the electronic properties of and Dirac…
Quantum transport by spin-polarized edge states in graphene nanoribbons in the quantum spin Hall and quantum anomalous Hall regimes
Nezhat Pournaghavi, Cecilia Holmqvist, Anna Pertsova +1
Using the non-equilibrium Green\noindent 's function method and the Keldysh formalism, we study the effects of spin-orbit interactions and time-reversal symmetry breaking exchange…