Quantum coherence enhancement through control of metal–ligand covalency: modulating spin–orbit coupling in isostructural molecular qubits

Chemical Science 2026 Open access

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Authors: Subrata Ghosh, Paul H. Oyala, Maksym M. Fizer, Vsevolod D. Dergachev, Sergey A. Varganov, Natia L. Frank
DOI: 10.1039/d5sc09844k
Cited by: 1
References: 112

Abstract

a two-phonon (Raman) process, consistent with contributions from spin-vibrational orbit interactions. This study provides fundamental insight into the role of metal-ligand covalency in modulating spin-orbit coupling contributions to spin-lattice relaxation and decoherence processes. Increased metal-ligand covalency reduces effective spin-orbit coupling, thereby increasing both spin-lattice and coherence time in molecular spin qubits, providing an important strategy for controlling quantum states and spin-vibrational energy transfer processes in molecular qubit platforms for quantum information processing.

Fields of Study & Subjects

Magnetism in coordination complexes Advanced NMR Techniques and Applications Spectroscopy and Quantum Chemical Studies

Publication details

Journal / source
Chemical Science
Publisher
Royal Society of Chemistry (RSC)
Volume
17
Issue
20
Pages
10029–10046
Publication date
1 January 2026
Language
EN