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Structure and ferroelectric properties of high TcBi(Me)O3-PbTiO3 single crystal thin films

Autor: Toshiyuki Matsunaga, Hideaki Adachi, H. Hanzawa, Shinya Yoshida, Shuji Tanaka, Kiyotaka Wasa

Publikováno v: 2015 Joint IEEE International Symposium on the Applications of Ferroelectric (ISAF), International Symposium on Integrated Functionalities (ISIF), and Piezoelectric Force Microscopy Workshop (PFM).

Pb(Zr,Ti)O 3 (PZT) piezoelectric ceramics with higher Curie temperature T c are necessary for a fabrication of better micro actuators, sensors, memories and/or piezoelectric micro electromechanical systems(MEMS). New piezoelectric materials with high

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4652bcf88aa48b7076347303f5f00665
https://doi.org/10.1109/isaf.2015.7172663

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Characterization of Cu(In,Ga)Se2 films by Raman scattering

Autor: S. K. Roy, A.K. Pal, Subhadra Chaudhuri, S. Kundu, P. Guha, H. Hanzawa

Publikováno v: Materials Chemistry and Physics. 73:24-30

Raman spectra of CuIn 1− x Ga x Se 2 (0 x ≤0.29) thin films were measured at room temperature and low (∼10 K) temperature to examine the Raman active modes in the films for different x values. The variation of the most intense mode (A 1 mode) w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db9cfa4ddab493e6698adfa73f89cb7e
https://doi.org/10.1016/s0254-0584(01)00345-5

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Ground modification by vertical fly ash columns

Autor: H. Hanzawa, A. Porbaha

Publikováno v: Proceedings of the Institution of Civil Engineers - Ground Improvement. 5:101-105

The stringent environmental regulations in recent years has forced practicing engineers to search for new applications for industrial by-products, such as fly ash, a major solid by-product of thermoelectric power plants. This study aims to evaluate t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66d125f835b597d8544d3ab1e7d36fc5
https://doi.org/10.1680/grim.2001.5.3.101

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Temperature Dependence of Photoluminescence in Mn-Doped ZnS Retrieved after the Pressure-Induced Structural Phase Transition

Autor: H. Hanzawa, Osamu Matsuda, Kenya Murase, M. Kobayashi, W. Giriat

Publikováno v: physica status solidi (a). 175:715-724

The temperature dependence of photoluminescence spectra in Mn-doped ZnS retrieved after the pressure-induced structural phase transition has been studied in the energy range from 0.8 to 2.5 eV. At room temperature, strong photoluminescence with the p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25a716238f3d78ab9aaae8a883a746ea
https://doi.org/10.1002/(sici)1521-396x(199910)175:2<715::aid-pssa715>3.0.co

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Mechanical, electrical and optical properties of a-C:H:N films deposited by plasma CVD technique

Autor: Arun K. Pal, Subhadra Chaudhuri, H. Hanzawa, M. Basu, K. Chakrabarti

Publikováno v: Vacuum. 53:405-413

Amorphous hydrogenated carbon films with different nitrogen content (a-C : H : N) were deposited (thickness 2.65–3.01 μm) by plasma-activated chemical vapour deposition of acetylene+nitrogen (0–62 vol%) onto glass/Si substrates at a deposition t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b35c1b12c8bf1ef43339190ea5a6a058
https://doi.org/10.1016/s0042-207x(98)00409-6

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Technology of air-transported stabilized dredged fill. Part 1: pilot study

Autor: H. Hanzawa, A. Porbaha, M. Shima

Publikováno v: Proceedings of the Institution of Civil Engineers - Ground Improvement. 3:49-58

One major concern in highly developed urban coastal areas is to obtain quality soil for various construction purposes. In addition, the frequent maintenance of ports, lakes and navigation channels to facilitate navigation for ships importing and expo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9eec801b0e3003b1ff009a81df736c57
https://doi.org/10.1680/gi.1999.030201

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