THz-range free-electron laser ESR spectroscopy: techniques and applications in high magnetic fields

S. A. Zvyagin; M. Ozerov; E. Čižmár; D. Kamenskyi; S. Zherlitsyn; T. Herrmannsdörfer; J. Wosnitza; R. Wünsch; W. Seidel

doi:10.1063/1.3155509

THz-range free-electron laser ESR spectroscopy: techniques and applications in high magnetic fields

Materials Science 2015-05-13 v1 Other Condensed Matter

Authors: S. A. Zvyagin , M. Ozerov , E. Čižmár , D. Kamenskyi , S. Zherlitsyn , T. Herrmannsdörfer , J. Wosnitza , R. Wünsch , W. Seidel

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Abstract

The successful use of picosecond-pulse free-electron-laser (FEL) radiation for the continuous-wave THz-range electron spin resonance (ESR) spectroscopy has been demonstrated. The combination of two linac-based FELs (covering the wavelength range of 4 - 250 $\mu$ m) with pulsed magnetic fields up to 70 T allows for multi-frequency ESR spectroscopy in a frequency range of 1.2 - 75 THz with a spectral resolution better than 1%. The performance of the spectrometer is illustrated with ESR spectra obtained in the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and the low-dimensional organic material (C $_6$ H $_9$ N $_2$ )CuCl $_3$ .

Keywords

terahertz radiation optical microscopy and spectroscopy electron emission

Cite

@article{arxiv.0906.0105,
  title  = {THz-range free-electron laser ESR spectroscopy: techniques and applications in high magnetic fields},
  author = {S. A. Zvyagin and M. Ozerov and E. Čižmár and D. Kamenskyi and S. Zherlitsyn and T. Herrmannsdörfer and J. Wosnitza and R. Wünsch and W. Seidel},
  journal= {arXiv preprint arXiv:0906.0105},
  year   = {2015}
}

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9 pages, 9 figures. Rev. Sci. Instrum., accepted

THz-range free-electron laser ESR spectroscopy: techniques and applications in high magnetic fields

Abstract

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