Rational Construction of Layered Two-Dimensional Conjugated Metal-Organic Frameworks with Room-Temperature Quantum Coherence.

ABSTRACT: Two-dimensional conjugated metal-organic frameworks (2D c-MOFs) have emerged as an intriguing class of quantum materials due to their high crystallinity, persistent spin centers, and tunable structures and topologies. However, it remains unclear how to achieve long spin relaxation time at room temperature in 2D c-MOFs via a bottom-up design strategy. Herein, we design a hexahydroxytrithiatruxene ligand (HHTH) to minimize the influence of nuclear spin on electron spin relaxation while weakening d-π conjugation to construct a "spin docking" for preserving spin centers, which enables the resulting 2D c-MOFs, Ni₃HHTH₂, to exhibit quantum coherence and Rabi oscillations at room temperature. Spin dynamics studies not only reveal an unusual temperature-dependent Rabi

SUBMITTER: Lu Y 

PROVIDER: S-EPMC11912308 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature