Horizon curvature and spacetime structure influences on black hole scalarization Hong Guo, Xiao-Mei Kuang, Eleftherios Papantonopoulos and Bin Wang Eur. Phys. J. C, 81 9 (2021) 842 Published online: 22 September 2021 DOI: 10.1140/epjc/s10052-021-09630-7