Energy relaxation in superconducting single-crystal TiN films probed by flux-flow instabilityRemoveE. M. Baeva, N. A. Titova, M. A. Kirsanova, S. A. Evlashin, A. V. Semenov, D. Yu. Vodolazov, A. I. Kolbatova, and G. N. GoltsmanPhys. Rev. B 114, 194513 (2026)