Search Results - "Tiwari, Sabyasachi"
-
1
Magnetic order and critical temperature of substitutionally doped transition metal dichalcogenide monolayers
Published in NPJ 2D materials and applications (14-05-2021)“…Using first-principles calculations, we investigate the magnetic order in two-dimensional (2D) transition-metal-dichalcogenide (TMD) monolayers: MoS 2 , MoSe 2…”
Get full text
Journal Article -
2
Electron–phonon physics from first principles using the EPW code
Published in npj computational materials (25-08-2023)“…EPW is an open-source software for ab initio calculations of electron–phonon interactions and related materials properties. The code combines density…”
Get full text
Journal Article -
3
Computing Curie temperature of two-dimensional ferromagnets in the presence of exchange anisotropy
Published in Physical review research (01-10-2021)“…We compare three first-principles methods of calculating the Curie temperature in two-dimensional (2D) ferromagnetic materials (FM), modeled using the…”
Get full text
Journal Article -
4
Ab-Initio Study of Magnetically Intercalated Platinum Diselenide: The Impact of Platinum Vacancies
Published in Materials (27-07-2021)“…We study the magnetic properties of platinum diselenide (PtSe2) intercalated with Ti, V, Cr, and Mn, using first-principle density functional theory (DFT)…”
Get full text
Journal Article -
5
Reduction of Magnetic Interaction Due to Clustering in Doped Transition-Metal Dichalcogenides: A Case Study of Mn-, V-, and Fe-Doped WSe 2
Published in ACS applied materials & interfaces (31-01-2024)“…Using Hubbard-U-corrected density functional theory calculations, lattice Monte Carlo simulations, and spin Monte Carlo simulations, we investigate the impact…”
Get full text
Journal Article -
6
Reduction of Magnetic Interaction Due to Clustering in Doped Transition-Metal Dichalcogenides: A Case Study of Mn‑, V‑, and Fe-Doped WSe2
Published in ACS applied materials & interfaces (31-01-2024)“…Using Hubbard-U-corrected density functional theory calculations, lattice Monte Carlo simulations, and spin Monte Carlo simulations, we investigate the impact…”
Get full text
Journal Article -
7
Re-examining the role of subsurface oxygen vacancies in the dissociation of H2O molecules on anatase TiO2
Published in Applied surface science (30-08-2022)“…[Display omitted] •Full coverage with water is exothermic for both perfect and defective surfaces.•A subsurface oxygen vacancy enhances dissociation of water…”
Get full text
Journal Article -
8
Effect of Temperature & phonon scattering on the Drain current of a MOSFET using SL-MoS2 as its channel material
Published in Journal of non-crystalline solids (01-05-2017)Get full text
Journal Article -
9
Two-Dimensional Oxyhalides for Power Electronics
Published in IEEE transactions on materials for electron devices (16-10-2024)“…Oxyhalides form a family of two-dimensional materials with a large bandgap, which makes them interesting for power electronics applications. However,…”
Get full text
Journal Article -
10
Ab initio modeling of few-layer dilute magnetic semiconductors
Published in 2021 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) (27-09-2021)“…We present a computational model to model the magnetic structure of two-dimensional (2D) dilute-magnetic-semiconductors (DMS) both the monolayers and…”
Get full text
Conference Proceeding -
11
Carrier Transport in a Two-Dimensional Topological Insulator Nanoribbon in the Presence of Vacancy Defects
Published in 2018 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) (01-09-2018)“…We model transport through two-dimensional topological insulator (TI) nanoribbons. To model the quantum transport, we employ the non-equilibrium Green's…”
Get full text
Conference Proceeding -
12
Ab-initio Study of Magnetically Intercalated Tungsten Diselenide
Published in 2020 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) (23-09-2020)“…We theoretically investigate the effect of intercalation of third row transition metals (Co, Cr, Fe, Mn, Ti and V) in the layers of WSe 2 . Using density…”
Get full text
Conference Proceeding -
13
Effect of temperature & phonon scattering on the drain current of a MOSFET using SL-MoS2 as its channel material
Published in Superlattices and microstructures (01-11-2017)“…Temperature dependence of the drain current of a MOSFET plays a crucial role in the device performance. TMDs and especially SL-MoS2 has turned out to be quite…”
Get full text
Journal Article -
14
Reduction of Magnetic Interaction Due to Clustering in Doped Transition-Metal Dichalcogenides: A Case Study of Mn, V, Fe-Doped $\rm WSe_2
Published 23-12-2023“…Using Hubbard U corrected density functional theory calculations, lattice Monte-Carlo, and spin-Monte-Carlo simulations, we investigate the impact of dopant…”
Get full text
Journal Article -
15
Atomistic modeling of spin and electron dynamics in two-dimensional magnets switched by two-dimensional topological insulators
Published 29-03-2022“…To design fast memory devices, we need material combinations which can facilitate fast read and write operation. We present a heterostructure comprising a…”
Get full text
Journal Article -
16
Ab-initio modeling of magneto-electronic devices
Published in 2022 IEEE International Conference on Emerging Electronics (ICEE) (11-12-2022)“…We present a first-principle based computational framework to model low-dimensional magnetic materials and their magnetization dynamics. We apply our method…”
Get full text
Conference Proceeding -
17
Computing Curie temperature of two-dimensional ferromagnets in the presence of exchange anisotropy
Published 17-05-2021“…We compare three first-principles methods of calculating the Curie temperature in two-dimensional (2D) ferromagnetic materials (FM), modeled using the…”
Get full text
Journal Article -
18
Critical behavior of ferromagnets CrI3, CrBr3, CrGeTe3, and anti-ferromagnet FeCl2: a detailed first-principles study
Published 14-01-2021“…Phys. Rev. B 103, 014432 (2021) We calculate the Curie temperature of layered ferromagnets, chromium tri-iodide (CrI3), chromium tri-bromide (CrBr3), chromium…”
Get full text
Journal Article -
19
Low power customized new trend remote surveillance system over 3G mobile network
Published in 2016 3rd International Conference on Recent Advances in Information Technology (RAIT) (01-03-2016)“…Surveillance systems plays a major role in our daily lives, business. Traditional systems are quite costly and mainly designed for commercial uses mostly…”
Get full text
Conference Proceeding -
20
Theoretical studies of electronic transport in mono- and bi-layer phosphorene: A critical overview
Published 25-01-2018“…Phys. Rev. B 98, 115416 (2018) Recent $\textit{ab initio}$ theoretical calculations of the electrical performance of several two-dimensional materials predict…”
Get full text
Journal Article