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Broadband electron spin resonance from 500 MHz to 40 GHz using superconducting coplanar waveguides

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C. Clauss, D. Bothner, D. Koelle, R. Kleiner, L. Bogani, M. Scheffler, M. Dressel

Mesoscale and Nanoscale Physics · Submitted 23 Sep 2012

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T.

how it is stated · asserted 1.00 read the record →

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arXiv ID1209.5061 (version 2)
Pith IDVE45KTDR, Pith's permanent record of this paper and its review
CitationC. Clauss, D. Bothner, D. Koelle, L. Bogani, M. Dressel, M. Scheffler, R. Kleiner. "Broadband electron spin resonance from 500 MHz to 40 GHz using superconducting coplanar waveguides." arXiv:1209.5061 (2012). https://pith.science/paper/VE45KTDR
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,559 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.06 · states limitation 0.26 · human participants 0.01 · controlled comparison 0.07 · randomized assignment 0.01 · states quantitative result 0.97 · compares with prior results 0.78 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v2. Results and the main claim are underlined; .

We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T. This allows an accurate inspection of the ESR absorption position in the frequency domain, in contrast to the more common observation in the field domain. We demonstrate the applicability of frequency-swept ESR on Cr3+ atoms in ruby as well as on organic radicals of the Nitronyl-nitroxide family (using the 2-(4'-methoxyphenyl)-4,4,5,5-tetra-methylimidazoline-1-oxyl-3-oxide, a.k.a. NitPhOMe). Measurements between 1.6 and 30 K reveal a small frequency shift of the ESR and a resonance broadening below the critical temperature, which we both attribute to a modification of the magnetic field configuration due to the appearance of shielding currents.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. contribution 0.96 0.94 0.08 asserted 0.99
s1 We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T. result 0.56 0.95 0.50 asserted 1.00
s2 This allows an accurate inspection of the ESR absorption position in the frequency domain, in contrast to the more common observation in the field domain. interpretation 0.41 0.46 0.15 asserted 1.00
s3 We demonstrate the applicability of frequency-swept ESR on Cr3+ atoms in ruby as well as on organic radicals of the Nitronyl-nitroxide family (using the 2-(4'-methoxyphenyl)-4,4,5,5-tetra-methylimidazoline-1-oxyl-3-oxide, a.k.a. NitPhOMe). contribution 0.88 0.95 0.10 asserted 1.00
s4 Measurements between 1.6 and 30 K reveal a small frequency shift of the ESR and a resonance broadening below the critical temperature, which we both attribute to a modification of the magnetic field configuration due to the appearance of shielding currents. result 0.67 0.97 0.25 asserted 1.00

What kind of paper the classifier reports this is: method or tool 0.91 · evidence from observation or experiment 1.00.

What was examined, and what was not

sources read
  • arXiv listing abstract v2
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T. This allows an accurate inspection of the ESR absorption position in the frequency domain, in contrast to the more common observation in the field domain. We demonstrate the applicability of frequency-swept ESR on Cr3+ atoms in ruby as well as on organic radicals of the Nitronyl-nitroxide family (using the 2-(4'-methoxyphenyl)-4,4,5,5-tetra-methylimidazoline-1-oxyl-3-oxide, a.k.a. NitPhOMe). Measurements between 1.6 and 30 K reveal a small frequency shift of the ESR and a resonance broadening below the critical temperature, which we both attribute to a modification of the magnetic field configuration due to the appearance of shielding currents.

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Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

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