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Calorimetric measur...
Calorimetric measurement of nuclear spin-lattice relaxation rate in metals
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- Khansili, Akash (författare)
- Stockholms universitet,Fysikum
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Bangura, A. (författare)
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McDonald, R. D. (författare)
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Ramshaw, B. J. (författare)
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- Rydh, Andreas, 1973- (författare)
- Stockholms universitet,Fysikum
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Shekhter, A. (författare)
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Physical Review B. - 2469-9950 .- 2469-9969. ; 107:19
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The quasiparticle density of states in correlated and quantum-critical metals directly probes the effect of electronic correlations on the Fermi surface. Measurements of the nuclear spin-lattice relaxation rate provide one such experimental probe of quasiparticle mass through the electronic density of states. By far the most common way of accessing the spin-lattice relaxation rate is via nuclear magnetic resonance and nuclear quadrupole resonance experiments, which require resonant excitation of nuclear spin transitions. Here we report nonresonant access to spin-lattice relaxation dynamics in AC-calorimetric measurements. The nuclear spin-lattice relaxation rate is inferred in our measurements from its effect on the frequency dispersion of the thermal response of the calorimeter-sample assembly. We use fast, lithographically defined nanocalorimeters to access the nuclear spin-lattice relaxation times in metallic indium from 0.3 to 7 K and in magnetic fields up to 35 T.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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