activity
20042025
most citedStrength of effective Coulomb interactions in graphene and graphite

535 citations · 3.8k across the 69 of their papers we have counts for

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52 papers · 1 filter

cond-mat.mtrl-sci2025

Ab-initio calculation of magnetic exchange interactions using the spin-spiral method in VASP: Self-consistent versus magnetic force theorem approaches

Umit Dogan Daglum, Maria Stamenova, Ersoy Sasioglu +1

We present an ab initio investigation of magnetic exchange interactions using the spin-spiral method implemented in the VASP code, with a comparative analysis of the self-consisten…

cond-mat.mtrl-sci2025

Itinerant versus localized magnetism in spin gapped metallic half-Heusler compounds: Stoner criterion and magnetic interactions

E. Sasıoglu, W. Beida, S. Ghosh +6

Spin gapped metals have recently emerged as promising candidates for spintronic and nanoelectronic applications, enabling functionalities such as sub-60mV/dec switching, negative d…

cond-mat.mtrl-sci2025

Correlation effects in two-dimensional MX_2 and MA_2Z_4 (M= Nb, Ta; X= S, Se, Te; A=Si, Ge; Z=N, P) cold metals: Implications for device applications

W. Beida, E. Sasioglu, M. Tas +4

Cold metals, characterized by their distinctive band structures, hold promise for innovative electronic devices such as tunnel diodes with negative differential resistance (NDR) ef…

cond-mat.mtrl-sci2024★ 8 cited

Multifunctional steep-slope spintronic transistors with spin-gapless-semiconductor or spin-gapped-metal electrodes

Ersoy Şaşıoğlu, Paul Bodewei, Nicki F. Hinsche +1

Spin-gapless semiconductors (SGSs) are a promising class of materials for spintronic applications, enabling functions beyond conventional electronics. This study introduces a novel…

cond-mat.mtrl-sci2024★ 6 cited

Spin gapped metals: A novel class of materials for multifunctional spintronic devices

E. Sasioglu, M. Tas, S. Ghosh +4

Gapped metals, a recently proposed class of materials, possess a band gap slightly above or below the Fermi level, behaving as intrinsic p- or n-type semiconductors without requiri…

cond-mat.mtrl-sci2024★ 31 cited

Nonconventional screening of Coulomb interaction in two-dimensional semiconductors and metals: A comprehensive cRPA study of MX2 (M=Mo, W, Nb, Ta; X=S, Se, Te)

Hamid Reza Ramezani, Ersoy Sasioglu, Hanif Hadipour +4

Experimental observations of large exciton binding energies and non-hydrogenic Rydberg series in 2D semiconducting TMDs, along with deviations in plasmon dispersion in 2D metallic…