Issue 20, 2024

Angular-resolved Rabi oscillations of orthorhombic spins in a Co(ii) molecular qubit

Abstract

Magnetic molecules are promising candidates for quantum information processing (QIP) due to their tunable electron structures and quantum properties. A high spin Co(II) complex, CoH2dota, is studied for its potential to be used as a quantum bit (qubit) utilizing continuous wave (CW) and pulsed electron paramagnetic resonance (EPR) spectroscopy at low temperature. On the X-band microwave energy scale, the system can be treated as an effective spin 1/2 with a strongly anisotropic g-tensor resulting from the significant spin–orbital coupling. An experimental and theoretical study is conducted to investigate the anisotropic Rabi oscillations of the two magnetically equivalent spin centres with different orientations in a single crystal sample, which aims to verify the relationship between the Rabi frequency and the orientation of the g-tensor. The findings of this study show that an effective quantum manipulation method is developed for orthorhombic spin systems.

Graphical abstract: Angular-resolved Rabi oscillations of orthorhombic spins in a Co(ii) molecular qubit

Supplementary files

Article information

Article type
Paper
Submitted
07 Mar 2024
Accepted
22 Apr 2024
First published
24 Apr 2024

Phys. Chem. Chem. Phys., 2024,26, 14832-14838

Angular-resolved Rabi oscillations of orthorhombic spins in a Co(II) molecular qubit

Y. Liao, Y. Liu, Y. Wang, P. Fu, Y. Xie, S. Gao, Y. Wang, Z. Liu and S. Jiang, Phys. Chem. Chem. Phys., 2024, 26, 14832 DOI: 10.1039/D4CP01017E

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