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Terahertz electron ...
Terahertz electron paramagnetic resonance generalized spectroscopic ellipsometry: The magnetic response of the nitrogen defect in 4H-SiC
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- Schubert, Mathias (författare)
- Linköping University,University of Nebraska - Lincoln,Univ Nebraska, NE 68588 USA
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- Knight, Sean Robert (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Richter, Steffen (författare)
- Linköping University,Lund University,Lunds universitet,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,Lund Univ, Sweden,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Kuhne, Philipp (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Stanishev, Vallery (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Ruder, Alexander (författare)
- Univ Nebraska, NE 68588 USA,University of Nebraska - Lincoln
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- Stokey, Megan (författare)
- Univ Nebraska, NE 68588 USA,University of Nebraska - Lincoln
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- Korlacki, Rafal (författare)
- Univ Nebraska, NE 68588 USA,University of Nebraska - Lincoln
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- Irmscher, Klaus (författare)
- Leibniz Inst Kristallzuchtung, Germany,Leibniz Institute for Crystal Growth
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- Neugebauer, Petr (författare)
- Brno Univ Technol, Czech Republic,Brno University of Technology
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- Darakchieva, Vanya (författare)
- Linköping University,Lund University,Lunds universitet,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,Lund Univ, Sweden,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- AIP Publishing, 2022
- 2022
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 120:10
- Relaterad länk:
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https://aip.scitatio...
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- We report on terahertz (THz) electron paramagnetic resonance generalized spectroscopic ellipsometry (THz-EPR-GSE). Measurements of field and frequency dependencies of magnetic response due to spin transitions associated with nitrogen defects in 4H-SiC are shown as an example. THz-EPR-GSE dispenses with the need of a cavity, permits independently scanning field and frequency parameters, and does not require field or frequency modulation. We investigate spin transitions of hexagonal (h) and cubic (k) coordinated nitrogen including coupling with its nuclear spin (I = 1), and we propose a model approach for the magnetic susceptibility to account for the spin transitions. From the THz-EPR-GSE measurements, we can fully determine polarization properties of the spin transitions, and we can obtain the k coordinated nitrogen g and hyperfine splitting parameters using magnetic field and frequency dependent Lorentzian oscillator line shape functions. Magnetic-field line broadening presently obscures access to h parameters. We show that measurements of THz-EPR-GSE at positive and negative fields differ fundamentally and hence provide additional information. We propose frequency-scanning THz-EPR-GSE as a versatile method to study properties of spins in solid state materials.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Schubert, Mathia ...
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Knight, Sean Rob ...
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Richter, Steffen
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Kuhne, Philipp
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Stanishev, Valle ...
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Ruder, Alexander
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visa fler...
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Stokey, Megan
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Korlacki, Rafal
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Irmscher, Klaus
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Neugebauer, Petr
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Darakchieva, Van ...
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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Applied Physics ...
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Linköpings universitet
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