Publications (25)
Applicability of the strongly constrained and appropriately normed density functional to transition metal magnetism
Yuhao Fu, David J. Singh
We find that the recently developed self consistent and appropriately normed (SCAN) meta-generalized gradient approximation, which has been found to provide highly accurate results…
Design of Lead-Free Inorganic Halide Perovskites for Solar Cells via Cation-Transmutation
Xin-Gang Zhao, Ji-Hui Yang, Yuhao Fu +5
Hybrid organic-inorganic halide perovskites with the prototype material of CHNHPbI have recently attracted intense interest as low-cost and high-performance photo…
Do Humans Bargain Differently with AI? Evidence from Alternating-Offer Games
Yuhao Fu, Nobuyuki Hanaki, Haitao Wang
Artificial intelligence increasingly participates in economic interactions not only as a tool, but also as an autonomous bargaining counterpart negotiating on behalf of firms, plat…
Unconstrained Model Merging for Enhanced LLM Reasoning
Yiming Zhang, Baoyi He, Shengyu Zhang +12
Recent advancements in building domain-specific large language models (LLMs) have shown remarkable success, especially in tasks requiring reasoning abilities like logical inference…
Frustrated structural instability in superconducting quasi-one-dimensional KCrAs
Keith M. Taddei, Guangzong Xing, Jifeng Sun +6
We present neutron total scattering and density functional theory studies on quasi-one-dimensional superconducting KCrAs revealing a frustrated structural instability.…
Thermal conductivity of perovskite KTaO3 and PbTiO3 from first principles
Yuhao Fu, David J. Singh
The low thermal conductivity of piezoelectric perovskites is a challenge for high power transducer applications. We report first principles calculations of the thermal conductivity…
Understanding the lattice thermal conductivity of SrTiO3 from an ab initio perspective
Adolfo O. Fumega, Yuhao Fu, Victor Pardo +1
We present a detailed analysis of the structure dependence of the lattice thermal conductivity of SrTiO3. We have used both ab initio Molecular Dynamic simulations and Density Func…
General theory for longitudinal nonreciprocal charge transport
Hong Jian Zhao, Lingling Tao, Yuhao Fu +2
The longitudinal nonreciprocal charge transport (NCT) in crystalline materials is a highly non-trivial phenomenon, motivating the design of next generation two-terminal rectificati…
JAMIP: an artificial-intelligence aided data-driven infrastructure for computational materials informatics
Xin-Gang Zhao, Kun zhou, Bangyu Xing +13
Materials informatics has emerged as a promisingly new paradigm for accelerating materials discovery and design. It exploits the intelligent power of machine learning methods in ma…
Tuning from Frustrated Magnetism to Superconductivity in Quasi-One-Dimensional KCrAs Through Hydrogen Doping
Keith M. Taddei, Liurukara D. Sanjeewa, Bing-Hua Lei +5
We report the charge doping of KCrAs via H intercalation. We show that the previously reported ethanol bath deintercalation of KCrAs to KCrAs has a seco…
Spoofing-aware Prompt Learning for Unified Physical-Digital Facial Attack Detection
Jiabao Guo, Yadian Wang, Hui Ma +7
Real-world face recognition systems are vulnerable to both physical presentation attacks (PAs) and digital forgery attacks (DFs). We aim to achieve comprehensive protection of biom…
Functionality-directed Screening of Pb-free Hybrid Organic-inorganic Perovskites with Desired Intrinsic Photovoltaic Functionalities
Dongwen Yang, Jian Lv, Xingang Zhao +5
The material class of hybrid organic-inorganic perovskites has risen rapidly from a virtually unknown material in photovoltaic applications a short 7 years ago into a ~20% efficien…
Organizing Principles for Moiré Quantum Matter
Qiaoling Xu, Yifan Gao, Tao Zhang +16
Moiré flat bands in van der Waals bilayers are usually discussed through a small set of mechanisms associated with the and valleys of hexagonal crystals, and more recentl…
SolarDesign: An Online Photovoltaic Device Simulation and Design Platform
Wei E. I. Sha, Xiaoyu Wang, Wenchao Chen +8
SolarDesign (https://solardesign.cn/) is an online photovoltaic device simulation and design platform that provides engineering modeling analysis for crystalline silicon solar cell…
Cloud-Fog-Edge Collaborative Computing for Sequential MIoT Workflow: A Two-Tier DDPG-Based Scheduling Framework
Yuhao Fu, Yinghao Zhang, Yalin Liu +2
The Medical Internet of Things (MIoT) demands stringent end-to-end latency guarantees for sequential healthcare workflows deployed over heterogeneous cloud-fog-edge infrastructures…
TENT: A Declarative Slice Spraying Engine for Performant and Resilient Data Movement in Disaggregated LLM Serving
Feng Ren, Ruoyu Qin, Teng Ma +16
Modern GPU clusters rely on complex, heterogeneous interconnects. As large language model (LLM) serving shifts toward agentic reasoning, KVCache becomes a first-class mobile asset,…
Every FLOP Counts: Scaling a 300B Mixture-of-Experts LING LLM without Premium GPUs
Ling Team, Binwei Zeng, Chao Huang +71
In this technical report, we tackle the challenges of training large-scale Mixture of Experts (MoE) models, focusing on overcoming cost inefficiency and resource limitations preval…
Inorganic Crystal Structure Prototype Database based on Unsupervised Learning of Local Atomic Environments
Shulin Luo, Bangyu Xing, Muhammad Faizan +9
Recognition of structure prototypes from tremendous known inorganic crystal structures has been an important subject beneficial for material science research and new materials desi…
InfiFusion: A Unified Framework for Enhanced Cross-Model Reasoning via LLM Fusion
Zhaoyi Yan, Yiming Zhang, Baoyi He +7
We introduce InfiFusion, an efficient training pipeline designed to integrate multiple domain-specialized Large Language Models (LLMs) into a single pivot model, effectively harnes…
Engineering ferroelectricity in monoclinic hafnia
Hong Jian Zhao, Yuhao Fu, Longju Yu +4
Ferroelectricity in the complementary metal-oxide semiconductor (CMOS)-compatible hafnia (HfO) is crucial for the fabrication of high-integration nonvolatile memory devices. Ho…
Intrinsic ultralow lattice thermal conductivity of the unfilled skutterudite FeSb
Yuhao Fu, David J. Singh, Wu Li +1
It has been generally accepted that unfilled skutterudites process high lattice thermal conductivity () that can be efficiently reduced upon filling. Here by using first pr…
High-pressure Phase Stability and Superconductivity of Pnictogen Hydrides and Chemical Trends for Compressed Hydrides
Yuhao Fu, Xiangpo Du, Lijun Zhang +7
Binary hydrides formed by the pnictogens of phosphorus, arsenic and antimony are studied at high pressures using first principles methods. Stable structures are predicted and their…
Do people rely on ChatGPT more than their peers to detect deepfake news?
Yuhao Fu, Nobuyuki Hanaki
This experimental study investigates how people rely on different sources of advice when detecting AI-generated fake news (deepfake news). In a laboratory deepfake detection task,…
Characterization of rattling in relation to thermal conductivity: ordered half-Heusler semiconductors
Zhenzhen Feng, Yuhao Fu, Yongsheng Zhang +1
The factors that affect the thermal conductivity of semiconductors is a topic of great scientific interest, especially in relation to thermoelectrics. Key developments have been th…
Structural Instability and Magnetism of Superconducting KCrAs
Guangzong Xing, Ling Shang, Yuhao Fu +4
We find a lattice instability in the superconductor KCrAs, corresponding to a distortion of the Cr metallic wires in the crystal structure. This distortion couples strongly…