Rapid Anisotropic Crystallization from Amorphous Bi₂Te₃ Thin Films by Microwave Annealing K. Nakagawa, T. Iwamoto, I P. A. Karya, A. J. Muhammad, T. Asano, S. Mitsudo, T. Takizawa, M. Takashir International Journal of Acta Material Vol. 2 No. 2 2026 DOI 10.62749/ijactmat.v2i2.24