TY - JOUR
T1 - Phonon anomaly of La1.85Sr0.15CuO4 studied by neutron scattering
AU - Arai, M.
AU - Yamada, K.
AU - Hosoya, S.
AU - Wakimoto, S.
AU - Ubukata, K.
AU - Fujita, M.
AU - Nishijima, T.
AU - Otomo, T.
AU - Endoh, Y.
N1 - Funding Information:
The present study is supported by a Grant-in-Aid from the Ministry of Education, Science and Culture, and the Sumitomo Foundation.
PY - 1995/8/1
Y1 - 1995/8/1
N2 - Inelastic neutron-scattering studies were performed on a powder and an assembly of single crystals of La1.85Sr0.15CuO4, Tc ∼ 36 K. Phonon density of states and the Q-dependence of the dynamic structure factor as well, as the details of the phonon-scattering function, were investigated as a function of temperature. We found that specific phonon modes at the Brillouin zone centre and the zone boundary showed anomalous behaviour at Tc. Thus we suggest a strong correlation between the phonon states and the superconducting states.
AB - Inelastic neutron-scattering studies were performed on a powder and an assembly of single crystals of La1.85Sr0.15CuO4, Tc ∼ 36 K. Phonon density of states and the Q-dependence of the dynamic structure factor as well, as the details of the phonon-scattering function, were investigated as a function of temperature. We found that specific phonon modes at the Brillouin zone centre and the zone boundary showed anomalous behaviour at Tc. Thus we suggest a strong correlation between the phonon states and the superconducting states.
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U2 - 10.1016/0921-4526(95)00066-I
DO - 10.1016/0921-4526(95)00066-I
M3 - Article
AN - SCOPUS:0029354941
SN - 0921-4526
VL - 213-214
SP - 75
EP - 77
JO - Physica B: Condensed Matter
JF - Physica B: Condensed Matter
IS - C
ER -