Scientific Reports誌論文掲載(Geng君主著) Diancheng Geng, Hao Yu, Yasuki Okuno, Sosuke Kondo & Ryuta Kasada, “Practical method to determine the effective zero‑point of indentation depth for continuous stiffness measurement nanoindentation test with Berkovich tip”, Scientific Reports (2022) 12:6391. https://doi.org/10.1038/s41598-022-10490-8