F Demmel
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Explore the profile of F Demmel including associated specialties, affiliations and a list of published articles.
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34
Citations
83
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Recent Articles
1.
Wilding M, Demmel F, Wilson M
J Phys Chem A
. 2025 Feb;
129(7):1890-1895.
PMID: 39921658
The diffusion of sodium and carbonate ions in molten sodium carbonate is investigated by quasi-elastic neutron scattering (QENS) at = 1143 K. The quasi-elastic scattering at small wave vectors is...
2.
Wallis J, Kruth A, Demmel F
Phys Chem Chem Phys
. 2023 May;
25(18):13155-13163.
PMID: 37129169
The thermally activated proton dynamics in the perovskite lattice of spark-plasma sintered BaZrCeYO was investigated by quasi-elastic neutron scattering (QENS) and electrochemical impedance spectroscopy (EIS) in the temperature range from...
3.
Demmel F, Morkel C
J Phys Condens Matter
. 2023 Jan;
35(11).
PMID: 36596258
The intensity ratio of the Rayleigh line and the Brillouin lines can be derived within hydrodynamics and is known as the Landau-Placzek (LP) ratio. This ratio is directly related to...
4.
Demmel F, Jimenez-Ruiz M
Phys Rev E
. 2022 Aug;
106(1-1):014606.
PMID: 35974639
Liquid sulfur consists mainly of eight-membered rings and hence can be regarded as a model of a molecular liquid. A liquid, which is built from different molecular structures, will demonstrate...
5.
Demmel F
J Phys Condens Matter
. 2022 Jul;
34(39).
PMID: 35858583
Nickel self-diffusion was measured for a NiSialloy in the liquid state over a temperature range of about 400 K through quasielastic neutron scattering. At the two lowest temperature points the...
6.
Demmel F, Hosokawa S, Pilgrim W
J Phys Condens Matter
. 2021 Jun;
33(37).
PMID: 34192684
An inelastic x-ray scattering experiment has been performed on molten NaCl over wide wave vector and energy transfer ranges. Data of high statistical quality are analyzed using a memory function...
7.
Demmel F
Phys Rev E
. 2020 Jul;
101(6-1):062603.
PMID: 32688605
The single-particle dynamics of sodium ions in molten sodium bromide has been investigated with quasielastic neutron scattering. A detailed and rather extensive data analysis procedure allowed determination of the pure...
8.
Gannon W, Zaliznyak I, Wu L, Feiguin A, Tsvelik A, Demmel F, et al.
Nat Commun
. 2019 Mar;
10(1):1123.
PMID: 30850591
The fundamental excitations in an antiferromagnetic chain of spins-1/2 are spinons, de-confined fractional quasiparticles that when combined in pairs, form a triplet excitation continuum. In an Ising-like spin chain the...
9.
Demmel F
J Phys Condens Matter
. 2018 Nov;
30(49):495102.
PMID: 30431024
Density fluctuations of liquid and 20 K undercooled gallium have been studied by neutron spectroscopy. The decay of density fluctuations has been recorded at the structure factor maximum over a...
10.
Stock C, Rodriguez-Rivera J, Schmalzl K, Demmel F, Singh D, Ronning F, et al.
Phys Rev Lett
. 2018 Aug;
121(3):037003.
PMID: 30085774
CeCo(In_{0.990}Hg_{0.010})_{5} is a charge doped variant of the d-wave CoCoIn_{5} superconductor with coexistent antiferromagnetic and superconducting transitions occurring at T_{N}=3.4 and T_{c}=1.4 K, respectively. We use neutron diffraction and spectroscopy...