8 papers

cond-mat.mtrl-sci2026

Machine-learning-guided molecular dynamics simulations of point defect evolution in beta-Ga2O3 during ion implantation and annealing

Huawen Li, Mengzhi Yan, Zongwei Xu +2

In beta-gallium oxide (beta-Ga2O3), Ga-ion implantation and annealing induce abundant point defects. To overcome conventional Wigner-Seitz (WS) defect analysis limitations, a defec…

cond-mat.mtrl-sci2026

High-speed and high-gain graphene photovoltaic phototransistor gated by a van der Waals heterojunction

Yihan Yin, Jiayi Zhang, Xiaolong Zhang +5

Two-dimensional (2D) material-based phototransistors offer a unique combination of optical sensing, signal amplification, and logic operation within a single device, yet fundamenta…

cs.AR2026

FAPlace: Joint Optimization of Chiplet Placement and Interposer Footprint for 2.5D Systems

Yubo Hou, Sezin Kircali Ata, Gen Liang Lim +4

The placement of chiplets on a silicon interposer is a pivotal step in 2.5D system integration, yet existing placement approaches typically assume a pre-defined interposer footprin…

cs.LG2026

Domain Knowledge Based Temporal-Spatial Graph Convolution Network for ECG Recognition

Wenting Ma, Zhipeng Zhang, Xiaohang Yuan +6

In light of strides in Arti cial Intelligence (AI) and its wide spread application, challenges persist in the interpretability of AI models, particularly within specialized domains…

cond-mat.mtrl-sci2026

A Unified Heterogeneous Implementation of Numerical Atomic Orbitals-Based Real-Time TDDFT within the ABACUS Package

Taoni Bao, Yuanbo Li, Zichao Deng +6

We present a unified heterogeneous computing framework for real-time time-dependent density functional theory (RT-TDDFT) based on numerical atomic orbitals (NAOs), implemented in t…

physics.comp-ph2026

Mesoscopic Modeling of Structure-Transport Relationships in Dense CNT Films Containing Amorphous Carbon

Yvelin Giret, Filippo Federici Canova, Al-Moatasem El-Sayed +6

Carbon nanotube (CNT) films are widely considered as prospective building blocks for advanced electronic and nanostructured materials. In particular, electrical transport in high-d…