Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Yasuharu Makita"'
Autor:
Yasumitsu Matsuo, Toshio Osaka, Yasuharu Makita, Junko Hatori, Katsumi Irokawa, Masaru Komukae
Publikováno v:
Journal of the Physical Society of Japan. 65:3931-3934
Thermal, dielectric, X-ray and optical investigations of Tl 2 SeO 4 were carried out above room temperature. It was found that Tl 2 SeO 4 undergoes an improper ferroelastic phase transition at 388°C , and has spontaneous strain a s =( e 22 - e 33 )/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1016d05769fedc2a2c3371fe29980a29
https://doi.org/10.1143/jpsj.65.3931
https://doi.org/10.1143/jpsj.65.3931
Publikováno v:
Journal of the Physical Society of Japan. 63:1595-1600
The complex dielectric constant of N 2 H 5 Al(SO 4 ) 2 · 12H 2 O along the cubic [100] direction e * was measured in a frequency range between 10 kHz and 1 GHz. The critical slowing-down phenomenon of polarization was observed above the transition t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6742bfa531b3c35e8105d39d5f97c25e
https://doi.org/10.1143/jpsj.63.1595
https://doi.org/10.1143/jpsj.63.1595
Publikováno v:
Journal of the Physical Society of Japan. 63:1009-1017
Optical observation of domain structures and X-ray examinations of Cs 3 H(SeO 4 ) 2 were carried out above room temperature. The effect of an external force on the rearrangements of the constituent ions accompanied by the movement of domain boundary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::454258fd29ccc7367fe94a25ffb907bd
https://doi.org/10.1143/jpsj.63.1009
https://doi.org/10.1143/jpsj.63.1009
Publikováno v:
Journal of the Physical Society of Japan. 63:1162-1171
Dielectric, specific heat and X-ray measurement in the single crystals of TlH 2 AsO 4 were carried out in a temperature range between 80 K and 400 K, and its domain structures were observed. It was found that TlH 2 AsO 4 is ferroelastic below 391 K (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0b126419c20c392b6c667a79664784e
https://doi.org/10.1143/jpsj.63.1162
https://doi.org/10.1143/jpsj.63.1162
Publikováno v:
Journal of the Physical Society of Japan. 62:4194-4197
Dielectric constants of a NaNH 4 (SO 4 ) 1- x (SeO 4 ) x ·2H 2 O system along the c axis under stress-free and clamped conditions were measured in a temperature range from -210°C to 30°C. Examinations of the pyroelectric current were also carried
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac1442848750ef75019d13a0e4146895
https://doi.org/10.1143/jpsj.62.4194
https://doi.org/10.1143/jpsj.62.4194
Autor:
Masaru Komukae, Masazumi Arai, Yasuharu Makita, Toshirou Yagi, Toshio Osaka, Akira Sakai, Kazuhiro Hanazawa
Publikováno v:
Journal of the Physical Society of Japan. 60:188-195
Elastic, thermal and dielectric measurements of TlH 2 PO 4 were carried out in a temperature range covering the upper phase transition point at 357 K. The specific heat shows a λ-type anomaly associated with the upper phase transition of second orde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::766371939ff734d4c2e1b481e59fae5a
https://doi.org/10.1143/jpsj.60.188
https://doi.org/10.1143/jpsj.60.188
Publikováno v:
Ferroelectrics. 106:339-343
The dielectric property of N2H5A1(SO4)2·12H2O was studied below room temperature. The dielectric constant measured along the [100] direction shows a discontinuous change at the Curie temperature of Tc = -109.6 °C on cooling and obeys the Curie-Weis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ad083c38b4d2a4484b9b8bdb364db95
https://doi.org/10.1080/00150199008214606
https://doi.org/10.1080/00150199008214606
Publikováno v:
Journal of the Physical Society of Japan. 59:1285-1292
Temperature dependence of the acoustic modes of TlH 2 PO 4 has been observed by the Brillouin scattering around its higher phase transition point at 357 K ( T tr ). The elastic constant c 55 obtained by the angular-dependent spectra shows softening w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00844204d28d644c88c47c07e44087c
https://doi.org/10.1143/jpsj.59.1285
https://doi.org/10.1143/jpsj.59.1285
Publikováno v:
Journal of the Physical Society of Japan. 59:412-415
Dielectric and X-ray measurements of N 2 H 5 Al(SO 4 ) 2 ·12H 2 O were carried out. The crystal at room temperature belongs to the cubic system with the space group P a \bar3 and the lattice parameter a =12.36 A. The dielectric constant measured alo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24c3f1dd5f627d5bda28f3832e6c2557
https://doi.org/10.1143/jpsj.59.412
https://doi.org/10.1143/jpsj.59.412
Publikováno v:
Journal of the Physical Society of Japan. 59:197-206
Hydrogen rearrangements accompanied with the movement of domain boundaries in CsHSeO 4 below the ferroelastic phase transition temperature ( T c =128°C) and possible motional states of hydrogens above T c were studied based on the crystal structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::167fa65a93a115d8f74a38b529b51c48
https://doi.org/10.1143/jpsj.59.197
https://doi.org/10.1143/jpsj.59.197