Low-frequency impedance spectroscopy of polymers and crystals with a hydrogen-bond network. Quantum collective excitations of nuclei in molecules
O.D. Novik1, N.D. Gavrilova1, O.V. Malyshkina2
1 M.V. Lomonosov Moscow State University
2 Tver State University
DOI: 10.26456/pcascnn/2024.16.239
Original article
Abstract: In this work, we present the results of our studies of temperature-frequency behaviour of dielectric permittivity ε, conductivity σ, relaxation time τμ, thermodepolarisation currents j, and pirocurrents γ in hydrophilic polymers and crystals with a hydrogen-bond network OH…O in the ranges of 0,01–107 Hz and 20-140°С. Analysis of the obtained data has revealed temperature anomalies of ε(T), σ(T), τμ(T), j(T), and γ(T) around «threshold» points at 20, 36, 50, 65, and 85°С, where the destruction of water clusters (and, if above 100°С, of water molecule itself) takes place, and thereby the release of deep traps, the change of the charge carriers (Н3O+, ОН–, etc.) composition and of their trajectories in volume are observed. In this study, we draw an analogy between the temperature behaviour of ε, σ, τμ, j, and γ in «threshold» points having a characteristic single resonance peak and the dipole resonance of photoabsorption in clusters of Ag, Mg, and Sm metals, which is manifested in thebroadening of resonance, single peak splitting, and in the formation of single-domain ATGS+Cr3+ crystal (0,06 wt.% Cr). We also discuss a possible onset of collective nuclear excitements during irradiation with photons or an onset of internal electrical displacement field Edp in a sudden sample cooling or warming. The entanglement of photons by polarization is also considered.
Keywords: giant dipole resonance, discrete energy levels of double-well potential, dielectric permittivity and conductivity, coherent collective excitements of nuclei, splitting of resonance maxima of ε, σ and of conductivity relaxation time τμ, spin probability field
- Olga D. Novik – 6th year student, M.V. Lomonosov Moscow State University
- Nadezhda D. Gavrilova – Dr. Sc., Professor, M.V. Lomonosov Moscow State University
- Olga V. Malyshkina – Dr. Sc., Professor, Full Professor, Department of Computer Security and Mathematical Control Method, Tver State University
Reference:
Novik, O.D. Low-frequency impedance spectroscopy of polymers and crystals with a hydrogen-bond network. Quantum collective excitations of nuclei in molecules / O.D. Novik, N.D. Gavrilova, O.V. Malyshkina // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2024. — I. 16. — P. 239-257. DOI: 10.26456/pcascnn/2024.16.239. (In Russian).
Full article (in Russian): download PDF file
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