Journal publications (Refereed Papers)

1. Hagiwara, Y., Yokokura, L., Yamamoto, J., 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, 54, 1440–1464, doi: 10.1002/jrs.6594

2. Inoue, Y., Okiyama, R., Hagiwara, Y., Yamamoto, J. (2023) Raman spectroscopic evaluation of precision of oxygen isotope ratio of carbon dioxide. Geochemical Journal, 57, 92-99, doi: 10.2343/geochemj.gj23007

3. Hagiwara, Y., Angel, R., Yamamoto, J., Alvaro, M. (2022) 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, 177, 108, doi: 10.1007/s00410-022-01975-w

4. Mikuni, K., Hirano, N., Akizawa, N., Yamamoto, J, Machida, S., Tamura, A., Hagiwara, Y., Morishita, T. (2022) Lithological structure of western Pacific lithosphere reconstructed from mantle xenoliths in a petit-spot volcano. Progress in Earth and Planetary Science, 9, 62, doi: 10.1186/s40645-022-00518-y

5. Yamamoto, J., Hagiwara, Y. (2022) Precision evaluation of nitrogen isotope ratios by Raman spectrometry. Analytical Science Advances, 3, 269-277, doi: 10.1002/ansa.202200020

6. Yamamoto, J., Ishibashi, H., Hagiwara, Y., Yokokura, R., Niida, K. (2022) Raman spectroscopic identification of continuity of a channel olivine in a peridotite specimen. Geochemical Journal, 56, 31–39, doi: 10.2343/geochemj.GJ22003

7. Hagiwara, Y., Kawano, T., Takahata, K., Torimoto, J., Yamamoto, J. (2021) Temperature-dependence of a Raman CO2 densimeter from 23 to 200°C and 7.2 to 248.7 MPa: Evaluation of density underestimation by laser heating. Journal of Raman Spectroscopy, 52, 1744–1755, doi: 10.1002/jrs.6188

8. Hagiwara, Y., Yoshida, K., Yoneda, A., Torimoto, J., Yamamoto, J. (2021) Experimental variable effects on laser heating of inclusions during Raman spectroscopic analysis, Chemical Geology, 119928, doi: 10.1016/j.chemgeo.2020.119928

9. Hagiwara, Y., Torimoto, J., Yamamoto, J. (2020) 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, 51, 1003–1019, doi: 10.1002/jrs.5865

10. Yokokura, L., Hagiwara, Y., Yamamoto, J. (2020) Pressure dependence of micro‐Raman mass spectrometry for carbon isotopic composition of carbon dioxide fluid,  Journal of Raman Spectroscopy, 51, 997–1002 doi: 10.1002/jrs.5864

11. Hagiwara, Y., Torimoto, J., Yamamoto, J. (2019) Thermoelastic equilibrium of fluid inclusion-host mineral systems under homogenization measurement, Journal of Mineralogical and Petrological Sciences, 114, 3, 149–154 doi: 10.2465/jmps.181109b

12. Hagiwara, Y., Takahata, K., Torimoto, J., Yamamoto, J. (2018) CO2 Raman Thermometer Improvement: Comparing Hot Band and Stokes and Anti-Stokes Raman Scattering Thermometers, Journal of Raman Spectroscopy, 49, 11, 1176–1181 doi: 10.1002/jrs.5461

13. Hagiwara, Y., Takahata, K., Sogo, Y., Yamamoto, J. (2018) Temperature Dependence of CO2 Densimetry Using Micro–Raman Spectroscopy at Laboratory Condition, Geochemical Journal, 52, 4, 379–383 doi: 10.2343/geochemj.2.0523

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In preparation

1. Hagiwara, Y., Angel, R., Yamamoto, J., Alvaro, M. Post-entrapment density modification of fluid inclusions by elastic deformation: Implications for fluid inclusion geobarometry of peridotites and phenocrysts

2. Yamamoto, J. and Hagiwara, Y. Precision evaluation of Raman densimetry for carbon dioxide

3. Hagiwara, Y. and Kuwatani, T. Intensity ratio vs. area ratio: which is the more precise?

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Journal publications (Proceedings)

1. Yamamoto, J., Hagiwara, Y.(2018) , Provenance of backarc magmatism in Southwest Japan. Chikyu monthly, 69, 154–159

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Dissertations

1. ​Hagiwara, Y (2019) "Fluid inclusion as a potential geothermobarospeedmeter: real-time densimeter development for clarification of fluid inclusions re-equilibration processes " Master Thesis, Hokkaido University

2. Hagiwara, Y.(2017) Determination of Moho depth -H2O-CO2 fluid inclusions as a pressure probe-