Generating stable qubits at room temperature

> This breakthrough was made possible by embedding a chromophore, a dye molecule that absorbs light and emits color, in a metal-organic framework, or MOF, a nanoporous crystalline material composed of metal ions and organic ligands

"Room-temperature quantum coherence of entangled multiexcitons in a metal-organic framework" (2024) https://www.science.org/doi/10.1126/sciadv.adi3147

Single-photon quantum computers are also coherent at room temperature; though their stability:

"A physical [photonic] qubit with built-in error correction" (2024) https://news.ycombinator.com/item?id=39243929

What about phononic quantum computing though, are phononic wave functions stable/coherent?