National Tsing Hua University

Input Calibration and a Specificity Audit of Auditory-Scene-Analysis Cue Scores in Music Foundation Models

Do music foundation models encode auditory-scene-analysis (ASA) cues, the grouping principles behind source perception? A high cue score alone cannot answer this: the ordering may be inherited from the model's input transform or, for timing, arise from onset positions alone. We i...

Circumventing Inner Filter Effects in Ultrafast Near-Infrared II (NIR-II) Up-Conversion Spectroscopy Using Front-Face Optical Configuration

Abstract Self-absorption is fatal in up-conversion ultrafast spectroscopy, severely suppressing the fluorescent signal. To conquer this problem, we implemented a front-face optical configuration in fluorescence up-conversion spectroscopy to accurately record the intrinsic excited...

Synchrotron X-ray-informed machine learning for local hardness mapping in a Cu–Ni–Ti–Hf–Zr high-entropy shape-memory alloy

A supervised machine-learning framework was used to relate colocated synchrotron X-ray fluorescence (XRF), X-ray nanodiffraction (XND), thermodynamic descriptors, and nanoindentation measurements to local hardness in an as-cast Cu 15 Ni 35 Ti 25 Hf 12. 5Zr 12.5 high-entropy shape...

Role of annealed copper plasticity in process-induced warpage of SiC power modules

Substrates, such as active metal brazing (AMB) and direct bond copper (DBC), play a crucial role in the warpage performance of power modules, significantly impacting alignment precision, manufacturing yield, and long-term reliability. However, the effect of the plastic behavior o...

A Sensitive Nonclassicality Certification Functional for Continuous-Variable Systems

If the \ps-based Glauber-Sudarshan distribution, $P_{\state}$, has negative values the quantum state,~$\state$, it describes is nonclassical. Due to $P$'s singular behaviour this simple criterion is impractical to use. Recent work [Bohmann and Agudelo, Phys. Rev. Lett. 124, 13360...

Plasma-Induced Phase Transition and Ruthenium Nanoparticle Decoration on 1T/2H WSe2 Nanosheets for Hydrogen Evolution Reaction

Abstract Phase or interface engineering of two-dimensional (2D) transition-metal dichalcogenides is an effective approach for enhancing hydrogen evolution reaction (HER) activity. Herein, we combine both of them by a hybrid top-down and bottom-up strategy that involves first synt...

Piezopotential‐Driven Nitrogen Reduction for Sustainable Ammonia Synthesis via Metal–Piezoelectric Interfacial Coupling

ABSTRACT Ambient ammonia synthesis remains highly challenging due to the inertness of N 2 and inefficient charge separation and interfacial reaction kinetics in current piezocatalytic systems. Herein, we report a metal–piezoelectric strategy by engineering amorphous Ru‐coated ZnO...

Nonsurgical Platelet Membrane-Decorated Gold Yarnball Brain Antenna for In Situ Nitric Oxide Generation and Neuronal Regeneration

Bioelectronic implants for brain stimulation are widely used to treat neurological disorders and promote neuronal repair; however, their clinical application is limited by invasive surgical implantation. To address this challenge, here, platelet membrane-decorated gold yarnballs...

Dispersion-Controlled Carbon Nanotube Networks Enable Tunable Structure–Performance–Stability Relationships in RuO x · n H2O Pseudocapacitive Electrodes

Abstract The electrochemical performance of pseudocapacitive electrodes is closely related to their nanoscale structure and conductive network formation. In this study, hydrous RuOx·nH2O electrodes with controlled carbon nanotube (CNT) dispersion were fabricated via a cathodic de...

Efficient power generation near room temperature in earth-abundant thermoelectric tin sulfide via lattice ordering

The inefficient carrier transport of earth-abundant tin sulfide (SnS), arising from its intrinsically low crystal symmetry, limits its thermoelectric performance at low temperatures. Here, the substitutional Ag+ doping modifies the Na-doped SnS crystal structure by reinforcing la...

Synthetic amino acid elongation via transaminase engineering

Unnatural amino acids expand the chemical space of medicines, yet scalable biosynthetic routes remain limited. Here, we present a modular strategy to “grow” α-amino acids one carbon at a time by coupling directed evolution of Escherichia coli transaminases with α-ketoacid chain e...

Some Speech Codecs Hide Voice Pathology from a Fixed Detector: Directional Fidelity Readouts for Remote Voice Assessment

This manuscript is a non-peer-reviewed preprint.

Inflation-Aware Quantization: Restoring INT4 Reasoning Token-Cost Parity with Distillation

This manuscript is a non-peer-reviewed preprint.

Damping Is a Ridge Penalty: Calibration-Only Selection for Post-Training Quantization under Scarce Calibration

This manuscript is a non-peer-reviewed preprint.

Auditing the Transferability of a Published Quantization Comparison: The Verdict Is a Function of the Slice

This manuscript is a non-peer-reviewed preprint.

Attosecond‐Stable Two‐Dimensional Spectroscopy by a Sagnac‐Based Modulating System and a Sub‐4‐fs Continuum Source

ABSTRACT We present a two‐dimensional electronic spectroscopy (2DES) platform driven by a Coherent Loop‐based Integrated Modulating and Beamsplitting System (CLIMBS). Combined with an octave‐spanning multiple‐plate continuum (MPC) source, the system enables ultrabroadband, phase‐...

Beyond the developmental state: Exploring the variety of development models in East Asia

East Asia exhibits remarkable economic heterogeneity, yet debates on the region’s development have centered predominantly on the most successful cases, such as Japan, South Korea, and Taiwan, all examples of the so-called “developmental state” model, or China’s economic upswing....

Damping Is a Ridge Penalty: Calibration-Only Selection for Post-Training Quantization under Scarce Calibration

This manuscript is a non-peer-reviewed preprint.

Surface Atomic Arrangements on High-Entropy-Alloy Nanocrystals Govern Alkaline Hydrogen Oxidation via Symmetry-Selected Multi-Atom Ensembles

Abstract High-entropy alloys (HEAs) provide compositionally diverse surfaces for electrocatalysis, yet how their surface atomic arrangements dictate active-site ensembles and catalytic activity remains unclear. Here, we develop a dropwise deposition strategy to synthesize Pd@Pd0....

Selectivity of Nitrate Reduction and Hydrogen Evolution Reaction Modulated by Aggregation of Carbon-Supported Fe Species

Abstract Fe-species distribution plays an important role in electrochemical nitrate reduction, yet its influence on the competing hydrogen evolution reaction (HER) remains insufficiently understood. Herein, carbon-supported Fe catalysts with distinct Fe-species distributions were...