Measurement of coherent vibrational dynamics with X-ray Transient Absorption Spectroscopy simultaneously at the Carbon K- and Chlorine L2,3- edges

AD Ross, D Hait, V Scutelnic, DM Neumark… - Communications …, 2024 - nature.com
Abstract X-ray Transient Absorption Spectroscopy (XTAS) is a powerful probe for ultrafast
molecular dynamics. The evolution of XTAS signal is controlled by the shapes of potential …

Bayesian parameter estimation from dispersion relation observation data with Poisson process

S Katakami, H Sakamoto, K Nagata, T Arima, M Okada - Physical Review E, 2022 - APS
In this study, we estimate the distribution of lattice model parameters based on Bayesian
estimation using the dispersion relation spectral data of lattice vibration. The dispersion …

Bayesian spectral deconvolution of X-ray absorption near edge structure discriminating between high-and low-energy domains

S Kashiwamura, S Katakami, R Yamagami… - Journal of the Physical …, 2022 - journals.jps.jp
In this paper, we propose a Bayesian spectral deconvolution considering the properties of
peaks in different energy domains. Bayesian spectral deconvolution regresses spectral data …

Toward automated non-destructive diagnosis of chloride attack on concrete structures by near infrared spectroscopy

A Watanabe, S Tokuda, Y Mizuta, S Miyamoto… - … and Building Materials, 2021 - Elsevier
This is a fundamental study of a non-destructive and contactless equipment to evaluate the
chloride ion on concrete, with near infrared spectroscopy. Non-destructive measurements on …

Non-negative matrix factorization for 2D-XAS images of lithium ion batteries

H Tanimoto, X Hongkun, M Mizumaki… - Journal of Physics …, 2021 - iopscience.iop.org
Lithium-ion secondary batteries have been used in a wide variety of purposes, such as for
powering mobile devices and electric vehicles, but their performance should be improved …

Noise-robust analysis of X-Ray absorption near-edge structure based on poisson distribution

S Kashiwamura, S Katakami, T Yamasaki… - … and Technology of …, 2024 - Taylor & Francis
We demonstrate that the noise tolerance of X-ray absorption near-edge structure (XANES)
analysis can be improved by reconsidering the noise model. XANES measurement is a …

Bayesian integration for hamiltonian parameters of x-ray photoemission and absorption spectroscopy

Y Yokoyama, T Uozumi, K Nagata, M Okada… - Journal of the Physical …, 2021 - journals.jps.jp
X-ray photoemission spectroscopy (XPS) and X-ray absorption spectroscopy (XAS) are
powerful techniques for revealing Hamiltonian parameters in strongly correlated electron …

Bayesian spectroscopy of synthesized soft X-ray absorption spectra showing magnetic circular dichroism at the Ni-L3, -L2 edges

T Yamasaki, K Iwamitsu, H Kumazoe… - … and Technology of …, 2021 - Taylor & Francis
We proposed a data-driven science study by Bayesian spectroscopy to analyze an X-ray
magnetic circular dichroism (XMCD) spectrum and magnetic moments. In Bayesian …

[HTML][HTML] Comprehensive spectral decomposition analysis of gate modulation spectra measured in a pentacene organic field-effect transistor by Bayesian spectroscopy

K Iwamitsu, H Kumazoe, K Kanemoto… - Journal of Applied Physics, 2023 - pubs.aip.org
Using Bayesian spectroscopy, we performed spectral decomposition of gate modulation
(GM) spectra measured in a pentacene organic field-effect transistor to understand …

Mesoscopic Bayesian Inference by Solvable Models

S Katakami, S Kashiwamura, K Nagata… - arXiv preprint arXiv …, 2024 - arxiv.org
The rapid advancement of data science and artificial intelligence has influenced physics in
numerous ways, including the application of Bayesian inference. Our group has proposed …