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Quantum coherence was observed in Yb(trensal) single-ion magnets using EPR spectroscopy. This finding highlights Yb(trensal) as a promising material for quantum information processing applications.

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Area of Science:

  • Quantum physics
  • Materials science
  • Spectroscopy

Background:

  • Single-ion magnets (SIMs) are crucial for quantum information processing.
  • Yb(trensal) is a chemically modifiable and sublimable SIM.

Purpose of the Study:

  • To detect and characterize quantum coherence in Yb(trensal).
  • To assess the suitability of Yb(trensal) for quantum information processing.

Main Methods:

  • Isotope-selective pulsed Electron Paramagnetic Resonance (EPR) spectroscopy.
  • Utilized an oriented single crystal of Yb(trensal).
  • Performed measurements at X-band frequency.

Main Results:

  • Quantum coherence was successfully detected in Yb(trensal).
  • Spin-lattice relaxation (T1) and phase memory (Tm) times were independent of nuclear spin.
  • Rabi oscillations of the spin echo were observed, demonstrating coherent manipulation for over 70 rotations.

Conclusions:

  • Yb(trensal) exhibits robust quantum coherence.
  • The observed coherent manipulation capabilities make Yb(trensal) a strong candidate for quantum computing.
  • Its properties are advantageous for scalable quantum information processing.