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Wyszukujesz frazę "Tamura, M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Slow Dynamics of the Photoinduced Phase Transition in $Pd(dmit)_2$ Salts (dmit = 1,3-dithiol-2-thione-4,5-dithiolate)
Autorzy:
Ishikawa, T.
Tanaka, T.
Fukazawa, N.
Matsubara, Y.
Okimoto, Y.
Onda, K.
Koshihara, S.
Tamura, M.
Kato, R.
Powiązania:
https://bibliotekanauki.pl/articles/1408855.pdf
Data publikacji:
2012-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.40.Me
78.47.D-
78.47.jg
78.55.Kz
78.66.Qn
Opis:
Slow dynamics of the initially photoinduced state has been observed by the pump-probe type time-resolved reflection spectroscopy in the charge separated phase of the half-filled strong dimer system, $Et_2Me_2Sb[Pd(dmit)_2]_2$ (dmit = 1,3-dithiol-2-thione-4,5-dithiolate). We have succeeded to reproduce the probe photon energy dependence of the time profile qualitatively in the time delay range from 10 ps to 1 ns assuming the dynamical expansion of the domain of the photo-induced dimer-Mott insulating phase in the host charge-separated one.
Źródło:
Acta Physica Polonica A; 2012, 121, 2B; 316-318
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Structure of the (100) Surface of Ag-In-Gd 1/1 Approximant
Autorzy:
Hars, S.
Sharma, H.
Smerdon, J.
Yadav, T.
Tamura, R.
Shimoda, M.
McGrath, R.
Powiązania:
https://bibliotekanauki.pl/articles/1203006.pdf
Data publikacji:
2014-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.44.Br
68.35.Bs
68.37.Ef
71.23.Ft
Opis:
Scanning tunneling microscopy is employed to characterise the structure and morphology of the (100) surface of the Ag-In-Gd 1/1 approximant. The surface prepared by the usual method of sputter-annealing produces step-terrace structure. Observed step heights are consistent with the lattice constant of the bulk. Scanning tunneling microscopy on terraces reveals cluster-like protrusions arranged with a square unit cell as expected from the bulk. It has not been possible to assign the terraces to the specific bulk planes because of lack of atomic resolution on terraces.
Źródło:
Acta Physica Polonica A; 2014, 126, 2; 479-481
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pathogenesis and prevention of dysbaric osteonecrosis
Autorzy:
Kawashima, M.
Tamura, H.
Noro, Y.
Takao, K.
Kitano, M.
Lehner, Ch. E.
Taya, Y.
Mano, Y.
Tsunosue, T.
Powiązania:
https://bibliotekanauki.pl/articles/366585.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
dysbaric osteonecrosis
pathogenesis
bone compartment syndrome
hypercoagulability
decompression sickness
bends
Opis:
Japanese diving fishermen are known to have a high prevalence of dysbaric osteonecrosis. Their typical dive practices are characterized by long exposure to high pressure and by repetitive diving. The etiology of dysbaric osteonecrosis still remains controversial. Because the development of dysbaric osteonecrosis may occur silently, the diver may be unaware of the actual ischemic event. Moreover, key etiologic evidence is often lost before the diver is examined. The early stage of dysbaric osteonecrosis was evaluated in four autopsy cases of divers who died of acute decompression sikness. Hypercoagulability of blood was present in these cases. Hypercoagulability of blood has also been observed in experimental rats after decompression. Dysbaric osteonecrosis has been experimentally induced in six sheep at the University of Wisconsin - Madison. These findings are reviewed by comparing dysbaric osteonecrosis in both divers and experimental animals. In conclusion, a bone compartment syndrome and hypercoagulability appear to be pathogenetic factors in dysbaric osteonecrosis.
Źródło:
Polish Hyperbaric Research; 2005, 3(12); 13-18
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leaching of Al-Based Polygrain Quasicrystalline and Related Crystalline Surfaces
Autorzy:
Yadav, T.
Mishra, S.
Pandey, S.
Singh, D.
Lowe, M.
Tamura, R.
Mukhopadhyay, N.
Srivastava, O.
McGrath, R.
Sharma, H.
Powiązania:
https://bibliotekanauki.pl/articles/1373698.pdf
Data publikacji:
2014-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.44.Br
81.16.Hc
61.66.Dk
68.37.Hk
Opis:
In the present investigation, we have studied leaching on polygrain Al-based quasicrystalline $(i-Al_{63}Cu_{25}Fe_{12})$ as well as crystalline (B2 phase; $Al_{55}Cu_{30}Fe_{15})$ alloy surfaces using a 10 mole NaOH solution. The surface was leached at varying times from 30 min to 8 h and subsequently characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy dispersive X-ray analysis. Leaching of the samples for 30 min generated a homogeneous layer. However further leaching for 1-8 h yielded nano-size particles on the surface. Spherical microstructure has been observed on the Al-Cu-Fe crystalline surface whereas on the quasicrystalline surface a petal-like microstructure appeared. The implications of the evolution of different microstructures in the context of structure, stability and activity are discussed. The results are compared with the microstructure of leached polygrained samples containing a mixture of different surface orientations.
Źródło:
Acta Physica Polonica A; 2014, 126, 2; 629-632
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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