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Physics Preprint PDF DOI

Influence of Ni Doping on the Structural, Morphological, Optical, and Electrical Properties of Nanocrystalline Cd1-xMnxS Thin Films

Himanshu Sharma Pathok, Padma Pani Shahu, Himanshu Kalita, Prasanta Kumar Saikia · 2026

Ni-doped Cd1-xMnxS (x=0.4) thin films were prepared via a cost-effective chemical bath deposition (CBD) method to investigate their suitability for optoelectronic applications. Incorporation of a seco…

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Physics Preprint PDF DOI

Discovery of Graphene Sheets and C-Rich Micro-Oval structure in Stingless Bee Hive; Leading to an Emergent Material with Debut of Blue Emission

Manas Kumar Dalai, Ankita Mahakhuda, Abinash Prusty · 2026

Naturally produced stingless bee hive (NP-SBH) is an intricately produced material by the combination of waxes, resin and other biological materials that offers protection and structural stability to …

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Physics Preprint PDF DOI

Recurrent bifurcations of stability spectra for steep Stokes waves in a deep fluid

Sergey Dyachenko, Robert Marangell, Dmitry E. Pelinovsky · 2026

We study the modulational stability problem for the traveling periodic waves (called Stokes waves) in an infinitely deep fluid by using pseudo-differential operators in conformal variables. We derive …

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Physics Preprint PDF DOI

Physics-informed Bayesian Optimization for Quantitative High-Resolution Transmission Electron Microscopy

Xiankang Tang, Yixuan Zhang, Juri Barthel, Chun-Lin Jia, Rafal E. Dunin-Borkowski, Hongbin Zhang, Lei Jin · 2026

Quantitative high-resolution transmission electron microscopy (HRTEM) provides an indispensable means to understand the structure-property relationships of a material in atomic dimensions. Successful …

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AI & Data Science Preprint PDF DOI

Statistical Characteristic-Guided Denoising for Rapid High-Resolution Transmission Electron Microscopy Imaging

Hesong Li, Ziqi Wu, Ruiwen Shao, Ying Fu · 2026

High-Resolution Transmission Electron Microscopy (HRTEM) enables atomic-scale observation of nucleation dynamics, which boosts the studies of advanced solid materials. Nonetheless, due to the millisec…

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Physics Preprint PDF DOI

Barenco gate implementation using driven two- and three-qubit spin chains

Rafael Vieira, Edgard P. M. Amorim · 2026

We propose a protocol for implementing Barenco-type multi-qubit controlled gates using short driven spin chains. Starting from an Ising interaction with a transverse drive on the last spin, we constru…

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Mathematics Preprint PDF DOI

The character of ideal circle patterns

Chang Li, Aijin Lin, Liangming Shen · 2026

Let $S$ be an oriented closed surface with a cellular decomposition $\mathcal{D}$ and a weight $\Phi\in(0, \pi)$. It is crucial to determine when $S$ supports an ideal $\mathcal{D}$-type circle patter…

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Mathematics Preprint PDF DOI

Certified spectral approximation of transfer operators and the Gauss map

Isaia Nisoli · 2026

We prove that the full spectral picture of a transfer operator (every isolated eigenvalue, eigenvector, and Riesz projector outside the essential spectral radius) can be approximated to arbitrary prec…

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Mathematics Preprint PDF DOI

Dimers for degenerating families of M-curves

Takashi Ichikawa · 2026

We study dimer models on infinite minimal graphs with Fock's weights for degenerating families of M-curves of any genus based on works of Boutillier-Cimasoni-de Tili\`{e}re and Bobenko A.I.- Bobenko N…

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Physics Preprint PDF DOI

Combining laser ablation and Sol-Gel techniques for the synthesis of nanostructured organic-inorganic matrices

E. Haro-Poniatowski, C. A. Guarin, L. G. Mendoza-Luna, L. Escobar-Alarcon, J. L. Hernandez-Pozos, L. I. Vera-Robles, P. Castillo, F. Cabello, J. Toudert, F. Chacon-Sanchez, M. Garcia-Pardo, R. Serna, J. Gonzalo, J. Solis · 2026

In this work we report a new and simple method that combines the pulsed laser ablation in liquids (PLAL) and the Sol-Gel techniques to obtain nanocomposite glasses and gelatins. Gold nanoparticles (Au…

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Physics Preprint PDF DOI

Percolation-Driven Magnetotransport due to Structural and Microstructural Evolution in Ultrathin Si/Fe Bilayers

S. S. Das, M. Senthil Kumar · 2026

The anomalous Hall effect (AHE) in magnetic nanofilms is highly sensitive to the microstructural and magnetic homogeneity. However, the evolution of the microstructure and morphology near the percolat…

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Physics Preprint PDF DOI

On consistency around a $3 \times 3\times 3$ cube and Q3 analogue of the lattice Boussinesq equation

Pengyu Sun, Cheng Zhang, Frank Nijhoff · 2026

In this paper, we present two new aspects of lattice Boussinesq (BSQ) equations. First, we show that the lattice potential BSQ (lpBSQ) equation defined on a nine-point square lattice admits a natural …

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Earth & Environmental Sciences Preprint PDF DOI

On the use of polarized thermal emission to constrain cloud grain size and temperature structure of sub-stellar objects

Fei Wang, Yuka Fujii, Ben Burningham, Jinping He · 2025

Emission spectroscopy is an invaluable tool for probing the atmospheres of brown dwarfs and exoplanets, but interpretations based on flux spectra alone often suffer from degeneracies among temperature…

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AI & Data Science Preprint PDF DOI

Contrast transfer functions help quantify neural network out-of-distribution generalization in HRTEM

Luis Rangel DaCosta, Mary C. Scott · 2025

Neural networks, while effective for tackling many challenging scientific tasks, are not known to perform well out-of-distribution (OOD), i.e., within domains which differ from their training data. Un…

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AI & Data Science Preprint PDF DOI

Rethinking Decoupled Knowledge Distillation: A Predictive Distribution Perspective

Bowen Zheng, Ran Cheng · 2025

In the history of knowledge distillation, the focus has once shifted over time from logit-based to feature-based approaches. However, this transition has been revisited with the advent of Decoupled Kn…

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Physics Preprint PDF DOI

Machine Learning Pipeline for Denoising Low Signal-To-Noise Ratio and Out-of-Distribution Transmission Electron Microscopy Datasets

Brian Lee, Meng Li, Judith C Yang, Dmitri N Zakharov, Xiaohui Qu · 2025

High-resolution transmission electron microscopy (HRTEM) is crucial for observing material's structural and morphological evolution at Angstrom scales, but the electron beam can alter these processes.…

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Computer Science Preprint PDF DOI

Improved exploration of temporal graphs

Paul Bastide, Carla Groenland, Lukas Michel, Clement Rambaud · 2025

A temporal graph $G$ is a sequence $(G_t)_{t \in I}$ of graphs on the same vertex set of size $n$. The \emph{temporal exploration problem} asks for the length of the shortest sequence of vertices that…

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AI & Data Science Preprint PDF DOI

A Lightweight, Interpretable Deep Learning System for Automated Detection of Cervical Adenocarcinoma In Situ (AIS)

Gabriela Fernandes · 2025

Cervical adenocarcinoma in situ (AIS) is a critical premalignant lesion whose accurate histopathological diagnosis is challenging. Early detection is essential to prevent progression to invasive cervi…

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AI & Data Science Preprint PDF DOI

Systematic Evaluation of Preprocessing Techniques for Accurate Image Registration in Digital Pathology

Fatemehzahra Darzi, Rodrigo Escobar Diaz Guerrero, Thomas Bocklitz · 2025

Image registration refers to the process of spatially aligning two or more images by mapping them into a common coordinate system, so that corresponding anatomical or tissue structures are matched acr…

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Mathematics Preprint PDF DOI

Discrete Koenigs nets, inscribed quadrics and autoconjugate curves

Niklas Christoph Affolter, Alexander Yves Fairley · 2025

Discrete Koenigs nets are a special class of discrete surfaces that play a fundamental role in discrete differential geometry, in particular in the study of discrete isothermic and minimal surfaces. R…

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