Researcher Information
researchmap URL
Research Interests
Research History
- Oct. 2024 - Present
Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics (IMG), Researcher - Apr. 2022 - Sep. 2024
Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics, JSPS research fellow (PD) - Sep. 2022 - Dec. 2022
University of Pavia, JSPS Research Fellow (PD) - Apr. 2019 - Mar. 2022
Hokkaido University, JSPS Research Fellow (DC1) - Sep. 2021 - Dec. 2021
University of Pavia, JSPS, Overseas Challenge Program for Young Researchers
Education
Research activity information
Papers
- Yuuki Hagiwara; Tatsu Kuwatani
Precision in Peak Parameter Estimation for the Pseudo-Voigt Profile: A Novel Optimization Approach for High-Precision Analysis via Mixing Parameter Control
ACS Measurement Science Au, 20 Aug. 2025
[Reviewed]
Lead - Yuuki Hagiwara; Tatsu Kuwatani
Precision in peak parameter estimation for Gaussian and Lorentzian profiles: Guidelines for instrument optimization
Physical Review Research, 19 May 2025
7, 023163
[Reviewed]
Lead - Junji Yamamoto; Yuuki Hagiwara
Correction of drift in Raman 13CO2/12CO2 by bandwidth fluctuation: Implications for practical application of Raman spectroscopy for mass spectrometry
Applied Optics, 10 Mar. 2025
[Reviewed]
Last - Yuuki Hagiwara; Tatsu Kuwatani
Precision comparison of intensity ratios and area ratios in spectral analysis
Scientific Reports, 15 Oct. 2024
14, 1
[Reviewed] - Junji Yamamoto; Yuuki Hagiwara
Precision evaluation of Raman densimetry for carbon dioxide: improvement by correction for the drift effect
Applied Optics, 10 Feb. 2024
[Reviewed]
Last - Yuuki Hagiwara; Lena Yokokura; Junji Yamamoto
Unlocking ultimate precision of intensity and area ratio measurements in Raman spectroscopy: Insights from simulation, experimentation, and theory and implications for isotope ratio analysis
Journal of Raman Spectroscopy, 14 Sep. 2023
54, 12, 1440, 1464
[Reviewed]
Lead - Yuki Inoue; Reo Okiyama; Yuuki Hagiwara; Junji Yamamoto
Raman spectroscopic evaluation of precision of oxygen isotope ratio of carbon dioxide
GEOCHEMICAL JOURNAL, 2023
57, 2, 92, 99
[Reviewed] - Kazuto Mikuni; Naoto Hirano; Norikatsu Akizawa; Junji Yamamoto; Shiki Machida; Akihiro Tamura; Yuuki Hagiwara; Tomoaki Morishita
Lithological structure of western Pacific lithosphere reconstructed from mantle xenoliths in a petit-spot volcano
Progress in Earth and Planetary Science, 12 Nov. 2022
9, 1
[Reviewed] - Yuuki Hagiwara; ROSS JOHN ANGEL; Junji Yamamoto; Matteo Alvaro
Equation of state of spinel (MgAl2O4): constraints on self-consistent thermodynamic parameters and implications for elastic geobarometry of peridotites and chromitites
Contributions to Mineralogy and Petrology, Nov. 2022
177, 11
[Reviewed] - Junji Yamamoto; Yuuki Hagiwara
Precision evaluation of nitrogen isotope ratios by Raman spectrometry
Analytical Science Advances, Oct. 2022
3, 9-10, 269, 277
[Reviewed] - Junji Yamamoto; Hidemi Ishibashi; Yuuki Hagiwara; Lena Yokokura; Kiyoaki Niida
Raman spectroscopic identification of continuity of a channel olivine in a peridotite specimen
Geochemical Journal, 2022
56, 1, 31, 39
[Reviewed] - Yuuki Hagiwara; Tetsuma Kawano; Kohei Takahata; Junji Torimoto; Junji Yamamoto
Temperature dependence of a Raman CO2 densimeter from 23°C to 200°C and 7.2 to 248.7 MPa: Evaluation of density underestimation by laser heating
Journal of Raman Spectroscopy, Oct. 2021
[Reviewed]
Lead - Yuuki Hagiwara; Kenta Yoshida; Akira Yoneda; Junji Torimoto; Junji Yamamoto
Experimental variable effects on laser heating of inclusions during Raman spectroscopic analysis
Chemical Geology, Jan. 2021
119928, 119928
[Reviewed]
Lead - Yuuki Hagiwara; Junji Torimoto; Junji Yamamoto
Pressure measurement and detection of small H2O amounts in high‐pressure H2O–CO2 fluid up to 141 MPa using Fermi diad splits and bandwidths of CO2
Journal of Raman Spectroscopy, Jun. 2020
51, 6, 1003, 1018
[Reviewed]
Lead - Lena Yokokura; Yuuki Hagiwara; Junji Yamamoto
Pressure dependence of micro-Raman mass spectrometry for carbon isotopic composition of carbon dioxide fluid
Journal of Raman Spectroscopy, Jun. 2020
51, 6, 997, 1002
[Reviewed] - Yuuki Hagiwara
Thermoelastic equilibrium of fluid inclusion–host mineral systems under homogenization measurement
Journal of Mineralogical and Petrological Sciences, Jul. 2019
114, 3, 149, 154
[Reviewed]
Lead - Yuuki Hagiwara; Kohei Takahata; Junji Torimoto; Junji Yamamoto
CO2 Raman thermometer improvement: Comparing hot band and Stokes and anti‐Stokes Raman scattering thermometers
Journal of Raman Spectroscopy, Nov. 2018
49, 11, 1776, 1781
[Reviewed]
Lead - Yuuki Hagiwara
Temperature dependence of CO2 densimetry using micro-Raman Spectrometry at laboratory conditions
GEOCHEMICAL JOURNAL, 31 Jul. 2018
52, 4, 379, 383
[Reviewed]
Lead
Misc.
Presentations
- 萩原 雄貴; 桑谷立
Theoretical Framework for Analytical Precision: Guidelines for Efficient High-Precision Analysis Based on Fisher Information
日本地球惑星科学連合2025年大会, 30 May 2025 - 萩原雄貴; 吉田健太; 清水健二; 牛久保孝行; 渋谷岳造; 羽生毅
H2O- and Ca-Enriched Basaltic Melt Associated with the 2021 Explosive Eruption of Fukutoku-Oka-no-Ba
日本地球惑星科学連合2025年大会, 27 May 2025 - 萩原雄貴; 石橋秀巳; 羽生毅
Oxidation states of HIMU-type ocean island basalts: Insights from μ-XANES analysis of quenched glasses and melt inclusions
日本鉱物科学会2024年年会, 12 Sep. 2024 - Yuuki Hagiwara; Tatsu Kuwatani
How to improve the measurement precision of spectral position, width, intensity, and area: Derivation of the Cramér–Rao lower bound and benchmarking via Monte Carlo simulations
日本地球惑星科学連合2024年大会, 30 May 2024 - Yuuki Hagiwara; Kenta Yoshida; Takazo Shibuya; Takeshi Hanyu
CO2 concentration of melt inclusions in drifted pumice from the 2021 Fukutoku-Oka-no-Ba eruption: Contribution of CO2 to explosive eruptions
日本地球惑星科学連合2024年大会, 26 May 2024 - Yuuki Hagiwara; Ross John Angel; Junji Yamamoto; Rosario Esposito; Matteo Alvaro
Post-entrapment density modification of fluid inclusions by elastic deformation: Implications for fluid inclusion geobarometry of peridotites
Japan Association of Mineralogical Sciences, 16 Sep. 2023 - Yuuki Hagiwara; Lena Yokokura; Junji Yamamoto
Ultimate precision of intensity ratio measurements by Raman spectroscopy: Influential factor extraction by optical simulation, experiment, and theory and implications for isotope ratio measurements
日本地球惑星科学連合2023年大会, 26 May 2023 - Hagiwara, Y; Angel, R; Yamamoto, J; Alvaro, M
CO2 inclusion geobarometry for peridotite revisited: Issues with the isochoric assumption
23rd International Mineralogical Association General Meeting, 20 Jul. 2022 - 萩原雄貴; Ross Angel; 山本順司; Matteo Alvaro
スピネル(MgAl2O4)の状態方程式：self-consistentな熱力学パラメータの制約と鉱物・流体包有物地質圧力計への応用
日本地球惑星科学連合2022年大会, 26 May 2022 - Hagiwara, Y; Angel, R; Gilio, M; Yamamoto, J; Alvaro, M
Evaluation of elastic geobarometry of spinel inclusions in olivine and its application to mantle xenoliths
EGU General Assembly 2022, 26 May 2022 - 萩原雄貴; 山本順司
ラマンスペクトルのピーク位置や強度比の測定精度を制限する要因：ラマン分光法によるCO2の炭素同位体比測定に向けた光学系と測定環境の最適化
日本地球惑星科学連合2021年大会, 03 Jun. 2021 - Yuuki Hagiwara; Kenta Yoshida; Akira Yoneda; Junji Torimoto; Junji Yamamoto
Effect of experimental, optical, and geometrical variables on the laser heating of inclusions during Raman spectroscopic analysis
Japan Geoscience Union Meeting 2020, 14 Jul. 2020 - Yuuki Hagiwara; Junji Yamamoto
Development of the geobarometer using size and mineral species dependence of residual pressure of fluid inclusions
Japan Geoscience Union Meeting 2019, 28 May 2019 - 萩原雄貴
ラマンスペクトルデータの多変量回帰：流体包有物のその場温度計・密度計の実験的較正
データ駆動型解析で推し進める変動帯ダイナミクス研究の深化, 01 Dec. 2018 - Yuuki Hagiwara; J. Yamamoto
Carbon and oxygen isotope analysis of an individual fluid inclusion by Raman spectroscopy
3rd Korea-Japan Joint Workshop on Isotope-Ratio Mass Spectrometry, 08 Nov. 2018 - Y. Hagiwara; J. Yamamoto
Fluid inclusion as a potential geobarometer: in-situ evaluation of fluid inclusion re-equilibration processes
Japan Association of Mineralogical Sciences, 19 Sep. 2018 - Y. Hagiwara; J. Yamamoto
Relationship between Raman spectral features and fugacity in H2O–CO2 fluid mixtures -Development of a high accuracy geobarometer based on residual pressure of fluid inclusions-
The Geological Society of Japan, 07 Sep. 2018 - Yuuki Hagiwara
Can fluid inclusions be geobarometer? :Elucidation of elastic characteristics of host-fluid inclusion system
Volcanic fluid discussion meeting, 13 Nov. 2017 - Y. Hagiwara; Y. Sogou; K. Takahata; J. Yamamoto
Is microthermometry wrong? : Development of real time P-ΔV-T measurement method for fluid inclusion
The Geochemical Society of Japan, 14 Sep. 2017
