@misc{masaru2026a,
  title = {Polymorphism in high-temperature GeS2: identification and characterization of two distinct polymorphs},
  author = {Masaru Nakamura, Yoshitaka Matsushita},
  publisher = {Springer Science and Business Media LLC},
  year = {2026-05-17},
  keywords = {Germanium disulfide, Polymorphism, 2D materials, Raman spectroscopy, Crystal structure, Optical properties}
}