17 citations · 53 across the 30 of their papers we have counts for
31 papers
Phase Stability and Anisotropic Superconductivity in Ternary M2B4C2 (M=Ca, Mg) Monolayer
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J Ackland
In this work, we investigate the phase stability, electronic structure, and superconducting properties of the two-dimensional ternary borocarbides MBC (M = Ca, Mg) using fi…
Two-Dimensional Hexagonal BX3 (X = P, As) Monolayers as High-Capacity, Fast-Charging Anode Platforms for Lithium- and Sodium-Ion Batteries
Jakkapat Seeyangnok, Joongjai Panpranot, Udomsilp Pinsook
The rapid advancement of alkali-metal ion batteries demands robust anode platforms combining high specific capacities with rapid charge-discharge kinetics. Using first-principles d…
Theoretical prediction of structural stability and superconductivity in T-hexagonal molybdenum dihydrides Monolayer
Jakkapat Seeyangnok, Udomsilp Pinsook
The realization of ambient-pressure, high-temperature superconductivity in hydrogen-rich materials remains a major pursuit in condensed-matter physics. While bulk hydrides require…
First-Principles Investigation of Electron--Phonon Coupling and Intrinsic Two-Gap Superconductivity in Hexagonal BAs3 Monolayer
Jakkapat Seeyangnok, Udomsilp Pinsook
Two-dimensional superconductors with multiband electronic structures provide an ideal platform for exploring anisotropic and multigap superconductivity in the reduced-dimensionalit…
Stacking-Dependent Magnetism and Tunable Half-Metallicity in Bilayer Janus 1T-MnSSe
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J. Ackland
We investigate the structural, electronic, and magnetic properties of bilayer Janus 1T-MnSSe using first-principles calculations. Various AA- and AB-type stacking configurations ar…
Triangular Charge-Density Waves (T-CDW) Stabilize Janus Group-VI Chalcogenide Hydrides
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J. Ackland
Hydrogenation is an effective strategy for enhancing electron--phonon coupling (EPC) and superconductivity in two-dimensional materials. However, excessively strong EPC can also in…
Electron-Phonon Coupling and Charge Density Wave Instabilities in W2N and Halogen-Functionalized W2N Monolayers
Jakkapat Seeyangnok, Udomsilp Pinsook
The interplay between charge-density-wave (CDW) order and superconductivity is a central problem in condensed-matter physics because both phenomena often originate from the same el…
KATRIN Sensitivity to keV Sterile Neutrinos with the TRISTAN Detector Upgrade
H. Acharya, M. Aker, D. Batzler +127
Sterile neutrinos in the keV mass range are a well-motivated extension of the Standard Model and viable dark matter candidates. Their existence can be probed in laboratory experime…
Strong Electron-Phonon Coupling and Multiband Superconductivity in Hexagonal BP3 Monolayer
Jakkapat Seeyangnok, Udomsilp Pinsook
We investigate the structural, electronic, and superconducting properties of a hexagonal BP3 monolayer using first-principles calculations combined with anisotropic Migdal-Eliashbe…
Noble-Gas Solubility in Solid and Fluid Metallic Hydrogen
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J Ackland
Metallic hydrogen dominates the deep interiors of giant planets, where trace elements interact with dense quantum matter under extreme pressure. We investigate the thermodynamic st…
Evidence of universal spectral collapse at a marginal dynamical regime
Udomsilp Pinsook, Pakin Tasee, Jakkapat Seeyangnok
Incoherent electronic states in strongly correlated materials are commonly attributed to disorder or material specific mechanisms. Here we show that incoherent spectra instead aris…
Competition between Charge Density Wave and Superconductivity in a Janus MXene Mo2NF2
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J Ackland
Charge-density-wave (CDW) order and superconductivity often compete in low-dimensional materials, yet their interplay in Janus MXenes remains largely unexplored. Here, we present a…
Mechanism-driven CO2 Capture and Activation on Two-dimensional Transition-metal Diborides
Jakkapat Seeyangnok, Rungkiat Nganglumpoon, Joongjai Panpranot +1
The urgent need to mitigate rising atmospheric CO2 levels motivates the search for stable, efficient, and tunable adsorbent materials. In this study, we employ first-principles den…
Enhanced and Tunable Superconductivity Enabled by Mechanically Stable Halogen-Functionalized Mo2C MXenes
Jakkapat Seeyangnok, Udomsilp Pinsook
We present a comprehensive first-principles investigation of the structural, electronic, vibrational, and superconducting properties of halogen-functionalized Mo2YX2 (Y = C, N; X =…
Enhanced Electron-Phonon Coupling and Superconductivity in Ba-Alloyed A15 LaH5.75
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J Ackland
Recent experiments have established rare earth A15 type hydrides as a distinct family of high temperature superconductors that can be stabilized at significantly lower pressures co…
Charge Density Wave Order and Superconductivity in Janus MoXH Monolayers
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J Ackland
Two-dimensional Janus hydrogenated transition metal chalcogenides provide an unusual platform where lattice instabilities, electron-phonon coupling, and superconductivity are stron…
Stability, electronic disruption, and anisotropic superconductivity of hydrogenated trilayer metal tetraborides (MBH; M=Be, Mg, Ca, Al)
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme J. Ackland
The discovery of superconductivity in MgB (\(T_c = 39\) K) \cite{nagamatsu2001superconductivity} established metal diborides (MB) as a promising class of conventional super…
Robust Ferrimagnetic Ground State and Suppressed Superconductivity in Two-Dimensional HC6
Jakkapat Seeyangnok, Udomsilp Pinsook
Two-dimensional hydrogenated graphene (HC6) represents a promising platform for exploring emergent electronic phases. Owing to its high electronic density of states at the Fermi le…
Phase Stability and Superconductivity in Hydrogenated and Lithiated Janus GaXS2 (X = Ga, In) Monolayers
Jakkapat Seeyangnok, Udomsilp Pinsook
Hydrogen and lithium functionalization of two-dimensional (2D) materials offers a promising route to enhance electronic properties and induce superconductivity. Here, we employ fir…
Theoretical prediction of Structural Stability and Superconductivity in Janus Ti2CSH MXene
Jakkapat Seeyangnok, Udomsilp Pinsook
We present a comprehensive first-principles investigation of the structural stability, vibrational characteristics, and superconducting properties of the Janus Ti2CSH monolayer. Ja…
Ab initio investigation on structural stability and phonon-mediated superconductivity in 2D-hydrogenated M2X (M= Mo, V, Zr; X=C, N) MXene monolayer
Jakkapat Seeyangnok, Udomsilp Pinsook
We present a comprehensive first-principles study of hydrogenated M2X (M = Mo, V, Zr; X = C, N) MXene monolayers, focusing on their structural stability, electronic properties, and…
Measurement of the inhomogeneity of the KATRIN tritium source electric potential by high-resolution spectroscopy of conversion electrons from Kr
H. Acharya, M. Aker, D. Batzler +130
Precision spectroscopy of the electron spectrum of the tritium -decay near the kinematic endpoint is a direct method to determine the effective electron antineutrino mass. The K…
Superconductivity of two-dimensional hydrogenated transition-metal diborides
Jakkapat Seeyangnok, Udomsilp Pinsook, Graeme John Ackland
Since the discovery of MgB2 with Tc=39K, various metal diborides of MB2 have been intensively studied to find possible conventional high-temperature superconductors. A possible 2D…
Two-gap superconductivity in a Janus MoSeLi monolayer
J. Seeyangnok, U. Pinsook, G. J. Ackland
Two-dimensional (2D) lithium-decorated materials have emerged as a significant area of study since the prediction of superconductivity in lithium-decorated graphene at temperatures…