Pregled bibliografske jedinice broj: 7877
Excess low temperature specific heat and related phonon density of states in a modulated incommensurate dielectric
Excess low temperature specific heat and related phonon density of states in a modulated incommensurate dielectric // Physical review letters, 76 (1996), 13; 2334-2337 doi:10.1103/PhysRevLett.76.2334 (međunarodna recenzija, članak, znanstveni)
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Naslov
Excess low temperature specific heat and related phonon density of states in a modulated incommensurate dielectric
Autori
Etrillard, Jeannine ; Lasjaunias, Jean Claude ; Biljaković Katica ; Toudic, B. ; Coddens, G.
Izvornik
Physical review letters (0031-9007) 76
(1996), 13;
2334-2337
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
low-energy excitations ; spin-lattice relaxation ; bis(4-chlorophenyl)sulfone ; phase
Sažetak
We report the first very low temperature (From 93 mK to 7.3 K) specific heat data of a modulated incommensurate dielectric (ClC6H4)(2)SO2. They reveal three different contributions in excess of that of normal acoustic phonons: low frequency excitations predominant below 0.2 K, a phason branch above 0.7 K, and optical phonon and amplitudon branches around 4.5 K. This analysis is done considering neutron scattering results also. [References: 23]
Izvorni jezik
Engleski
Znanstvena područja
Fizika
POVEZANOST RADA
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
- MEDLINE
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