Structural investigation of the quasi-one-dimensional topological insulator Bi$_4$I$_4$

arXiv - PHYS - Other Condensed Matter Pub Date : 2024-04-24 DOI:arxiv-2404.16194

C. David Hinostroza, Leandro Rodrigues de Faria, Gustavo H. Cassemiro, J. Larrea Jiménez, Antonio Jefferson da Silva Machado, Walber H. Brito, Valentina Martelli

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Abstract

The bismuth-halide Bi$_4$I$_4$ undergoes a structural transition around $T_P\sim 300$K, which separates a high-temperature $\beta$ phase ($T>T_P$) from a low-temperature $\alpha$ phase ($T

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