High sensitivity pulsed electron spin resonance spectroscopy with induction detection

Ygal Twig; Ekaterina Dikarov; Wayne D. Hutchison; Aharon Blank

doi:10.1063/1.3611003

High sensitivity pulsed electron spin resonance spectroscopy with induction detection

Ygal Twig, Ekaterina Dikarov, Wayne D. Hutchison, Aharon Blank

Technion - Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Commercial electron spin resonance spectroscopy and imaging systems make use of the so-called induction or Faraday detection, which is based on a radio frequency coil or a microwave resonator. The sensitivity of induction detection does not exceed ∼3 × 10⁸ spins/√Hz. Here we show that through the use of a new type of surface loop-gap microresonators (inner size of 20 μm), operating at cryogenic temperatures at a field of 0.5 T, one can improve upon this sensitivity barrier by more than 2 orders of magnitude and reach spin sensitivities of ∼1.5 × 10⁶ spins/√Hz or ∼2.5 × 10⁴ spins for 1 h.

Original language	English
Article number	076105
Journal	Review of Scientific Instruments
Volume	82
Issue number	7
DOIs	https://doi.org/10.1063/1.3611003
State	Published - Jul 2011

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.3611003

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title = "High sensitivity pulsed electron spin resonance spectroscopy with induction detection",

abstract = "Commercial electron spin resonance spectroscopy and imaging systems make use of the so-called induction or Faraday detection, which is based on a radio frequency coil or a microwave resonator. The sensitivity of induction detection does not exceed ∼3 × 108 spins/√Hz. Here we show that through the use of a new type of surface loop-gap microresonators (inner size of 20 μm), operating at cryogenic temperatures at a field of 0.5 T, one can improve upon this sensitivity barrier by more than 2 orders of magnitude and reach spin sensitivities of ∼1.5 × 106 spins/√Hz or ∼2.5 × 104 spins for 1 h.",

author = "Ygal Twig and Ekaterina Dikarov and Hutchison, \{Wayne D.\} and Aharon Blank",

note = "Funding Information: This work was partially supported by Grant No. 213/09 from the Israel Science Foundation (ISF), Grant No. 2009401 from the BSF, Grant No. 201665 from the ERC, Grant No. G-1032-18.14/2009 from the GIF, and by RBNI at the Technion. We thank Dr. Wolfgang Harneit for providing us the N@C and Professor Victor Tormyshev for the trityl. 60",

year = "2011",

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doi = "10.1063/1.3611003",

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AU - Dikarov, Ekaterina

AU - Hutchison, Wayne D.

AU - Blank, Aharon

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N2 - Commercial electron spin resonance spectroscopy and imaging systems make use of the so-called induction or Faraday detection, which is based on a radio frequency coil or a microwave resonator. The sensitivity of induction detection does not exceed ∼3 × 108 spins/√Hz. Here we show that through the use of a new type of surface loop-gap microresonators (inner size of 20 μm), operating at cryogenic temperatures at a field of 0.5 T, one can improve upon this sensitivity barrier by more than 2 orders of magnitude and reach spin sensitivities of ∼1.5 × 106 spins/√Hz or ∼2.5 × 104 spins for 1 h.

AB - Commercial electron spin resonance spectroscopy and imaging systems make use of the so-called induction or Faraday detection, which is based on a radio frequency coil or a microwave resonator. The sensitivity of induction detection does not exceed ∼3 × 108 spins/√Hz. Here we show that through the use of a new type of surface loop-gap microresonators (inner size of 20 μm), operating at cryogenic temperatures at a field of 0.5 T, one can improve upon this sensitivity barrier by more than 2 orders of magnitude and reach spin sensitivities of ∼1.5 × 106 spins/√Hz or ∼2.5 × 104 spins for 1 h.

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M3 - مقالة

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High sensitivity pulsed electron spin resonance spectroscopy with induction detection

Abstract

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