A high-frequency electron paramagnetic resonance spectrometer for multi-dimensional, -frequency and -phase pulsed measurements

Abstract

We describe instrumentation for a high-frequency electron paramagnetic resonance (EPR) and pulsed electron-electron double resonance (PELDOR) spectroscopy. The instrumentation is operated in the frequency range of 107$-$120 GHz and 215$-$240 GHz and in the magnetic field range of 0$-$12.1 Tesla. The spectrometer consisting of a high-frequency high-power solid-state source, a quasioptical system, a phase-sensitive detection system, a cryogenic-free superconducting magnet and a ${}^4$He cryostat enables multi-frequency continuous-wave EPR spectroscopy as well as pulsed EPR measurements with a few hundred nanosecond pulses. Here we discuss the details of the design and the pulsed EPR sensitivity of the instrumentation. We also present performance of the instrumentation in unique experiments including PELDOR spectroscopy to probe correlations in an insulating electronic spin system and application of dynamical decoupling techniques to extend spin coherence of electron spins in an insulating solid-state system.

21 pages including 7 figures

References in corpus (12)

• Spins in few-electron quantum dots
• Dynamical decoupling and noise spectroscopy with a superconducting flux qubit
• Keeping a Quantum Bit Alive by Optimized $\pi$-Pulse Sequences
• Room temperature coherent control of coupled single spins in solid
• Quenching Spin Decoherence in Diamond through Spin Bath Polarization
• Decoherence in Crystals of Quantum Molecular Magnets
• Coherent Manipulation and Decoherence of S=10 Single-Molecule Magnets
• A multi-frequency high-field pulsed EPR / ENDOR spectrometer
• Spin decoherence and electron spin bath noise of a nitrogen-vacancy center in diamond
• High Field Phenomena of Qubits
• Cavity dumping of an injection-locked free-electron laser
• Sub-MHz Linewidth at 240 GHz from an Injection-Locked Free-Electron Laser

Cited by in corpus (11)

• High-frequency and high-field optically detected magnetic resonance of nitrogen-vacancy centers in diamond
• Electron-electron double resonance detected NMR spectroscopy using ensemble NV centers at 230 GHz and 8.3 Tesla
• Annulled van der Waals interaction and fast Rydberg quantum gates
• Large Room Temperature Bulk DNP of ${}^{13}$C via P1 Centers in Diamond
• Investigation of Near-Surface Defects of Nanodiamonds by High-Frequency EPR and DFT Calculation
• Electron spin resonance spectroscopy of small ensemble paramagnetic spins using a single nitrogen-vacancy center in diamond
• Demonstration of NV-detected ESR spectroscopy at 115 GHz and 4.2 Tesla
• Understanding the Linewidth of the ESR Spectrum Detected by a Single NV Center in Diamond
• Reduction of surface spin-induced electron spin relaxations in nanodiamonds
• Demonstration of NV-detected ${}^{13}$C NMR at 4.2 T
• DNP-NMR of surface hydrogen on silicon microparticles