Earth and Planetary Interior Physics Laboratory, Meiji University

In AY2025, one B4 student, two M2 students, and one D3 student graduated or completed their programs. Master of Science degrees were awarded to Ayase Ogawa and Kenta Kobayashi, and a Doctor of Science degree was awarded to Shuhou Maitani. Congratulations to all of them.

Commemorative photo after the ceremony

Degree conferment ceremony

Laboratory member Kenta Kobayashi participated in the American Geophysical Union 2025 Annual Meeting and gave the following presentation.

Kenta Kobayashi, Ryosuke Sinmyo, Takayuki Ishii, Shuhou Maitani,
The stabilities of SiC polytypes at high pressure and temperature: Implications for the interior of the carbon rich planets

https://www.agu.org/annual-meeting

A paper has been accepted and published in a domestic academic journal.

Ryosuke Sinmyo, Shuhou Maitani (2025) Properties of iron oxides stable at high pressure and their significance in Earth and planetary science. High Pressure Science and Technology, Vol. 35, No. 3, pp. 127-134. (in Japanese)

https://doi.org/10.4131/jshpreview.35.127

Members of the laboratory participated in JpGU 2025. Shuhou Maitani, Kenta Kobayashi, and Ryosuke Sinmyo gave the following presentations.

Shuhou Maitani, Ryosuke Sinmyo, Hikaru Higuchi, Tomoko Ikeda-Fukazawa, Saori Kawaguchi-Imada,
Compressibility of single crystal zircon up to 19 GPa: implication to the partitioning coefficient of trace elements

Kenta Kobayashi, Ryosuke Sinmyo, Takayuki Ishii, Shuhou Maitani,
The stabilities of SiC polytypes at high pressure and temperature

Ryosuke Sinmyo, Saori Kawaguchi-Imada, Rei Sato, Keisuke Otsuru, Kenji Kawai, Hiroshi Sakuma, Shigeru Suehara, Takayuki Ishii, Shuhou Maitani,
Cold SiO₂-rich slabs reaching the core–mantle boundary revealed by the seifertite phase boundary

https://www.jpgu.org/meeting_j2025/

A paper by Shuhou Maitani has been accepted and published in an international journal.

Maitani S., Sinmyo R., Higuchi H., Ikeda-Fukazawa T., Kawaguchi-Imada S. (2025) Compressibility of single-crystal zircon up to 19 GPa: implications for the partitioning coefficient of trace elements. European Journal of Mineralogy, 37, 257-267.

https://ejm.copernicus.org/articles/37/257/2025/

In AY2024, four B4 students and two M2 students graduated. Congratulations to all of them.

Commemorative photo after the ceremony

After the ceremony, the Department of Physics held a celebration party, and the graduates presented slippers to the laboratory.

Gift presentation at the celebration party

An article introducing the laboratory, written by Shuhou Maitani, was published in the journal of the Japan Society of High Pressure Science and Technology.

High Pressure Science and Technology, 2024, Vol. 34, No. 3, pp. 143-144. (in Japanese)

https://doi.org/10.4131/jshpreview.34.143

A paper by Shuhou Maitani has been accepted and published in an international journal.

Maitani S., Sinmyo R., Ishii T., Yoza K. (2024) Inert structural transition in 4H and 6H SiC at high pressure and temperature: a Raman spectroscopy study. Journal of Physics Communications, 8, 065001.

https://iopscience.iop.org/article/10.1088/2399-6528/ad5410

Members of the laboratory participated in JpGU 2024. Shuhou Maitani and Kenta Kobayashi gave the following oral presentations.

Shuhou Maitani, Yuto Kawai, Ryosuke Sinmyo, Saori Kawaguchi, Taiki Suzuki, Yoko Kebukawa, Kousuke Shimizu, Takashi Tominaga, Kensei Kobayashi,
The survival of organic matter in large impacts; approaches from sub-second ultra-high temperature and pressure experiments

Kenta Kobayashi, Ryosuke Sinmyo, Takayuki Ishii, Shuhou Maitani,
The stabilities of SiC polytypes at high pressure and temperature

https://www.jpgu.org/meeting_j2024/

In AY2023, five B4 students graduated.

Commemorative photo after the ceremony

After the ceremony, the Department of Physics held a celebration party, and the graduates presented cushions to the laboratory.

Gift presentation at the celebration party

Faculty members and students from a university in Sri Lanka visited the laboratory.

Scenes from the laboratory visit

In AY2022, six B4 students and three M2 students graduated.

Commemorative photo after the ceremony

After the ceremony, the Department of Physics held a celebration party, and the graduates presented a coffee maker and mugs to the laboratory.

Gift presentation at the celebration party

We held a farewell party in the laboratory. A takoyaki plate was donated, and it may become a new tradition for future gatherings.

Takoyaki at the farewell party