Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kazuyasu Hikita"'
Publikováno v:
Journal of the American Ceramic Society. 78:865-873
The complex impedance of a CuO/ZnO oxide semiconductor heterocontact was studied by applying a dc bias voltage in a mixture of CO or H2 (4000 ppm) in air between 250° and 400°C. The frequency dependence of reactance showed a minimum peak, and the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f12bd2680afb3d775ce861dd3d501c9
https://doi.org/10.1111/j.1151-2916.1995.tb08407.x
https://doi.org/10.1111/j.1151-2916.1995.tb08407.x
Publikováno v:
Sensors and Actuators B: Chemical. 25:383-387
The a.c. impedances of a CuO(Na)/ZnO heterocontact have been investigated under a d.c. bias voltage (−10 to + 10 V) in CO- and H 2 -containing atmospheres at 250°C. The reactance (imaginary component of the impedance) shows characteristic changes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b50745bb5631f800f24791e1a2eca75
https://doi.org/10.1016/0925-4005(95)85086-4
https://doi.org/10.1016/0925-4005(95)85086-4
Publikováno v:
Journal of the American Ceramic Society. 77:1961-1964
The impedance characteristics of a CuO/ZnO oxide semiconductor heterocontact were investigated to study a new method of gas identification. This was done by applying a dc bias voltage in atmospheres of air-balanced, flammable CO or H2 gas (4000 ppm).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65ec6f8bb3d4e34cca16cd070e76ab9e
https://doi.org/10.1111/j.1151-2916.1994.tb07079.x
https://doi.org/10.1111/j.1151-2916.1994.tb07079.x
Publikováno v:
Journal of the Ceramic Society of Japan. 102:810-817
To improve the gas selectivity for carbon monoxide from hydrogen, the complex impedance characteristics under DC bias voltages were studied on a pn semiconductor heterocontact comprised of 1mol%Na2O-added CuO (as a p-type semiconductor) and ZnO (as a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eedef3f5c3029c5431b8992a4054aa0d
https://doi.org/10.2109/jcersj.102.810
https://doi.org/10.2109/jcersj.102.810
Publikováno v:
Japanese Journal of Applied Physics. 32:4296
The response time of the photorefractive effect in Bi12GeO20 was evaluated for the first time using nearly degenerate two-wave mixing. The result was analyzed in the context of the charge transport theory and the trap density was determined as N A=2.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d653a5d51abb705d523e875886b70c28
https://doi.org/10.1143/jjap.32.4296
https://doi.org/10.1143/jjap.32.4296
Publikováno v:
Japanese Journal of Applied Physics. 32:4364
The mode of occurrence and the origin of cracking of lithium tetraborate (Li2B4O7) single crystals during growth have been investigated. The melt temperature dependence and the origin of crystal cracking have been explained in terms of activation ent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9184a649b0e24ea60f121496124c3c81
https://doi.org/10.1143/jjap.32.4364
https://doi.org/10.1143/jjap.32.4364
Publikováno v:
Japanese Journal of Applied Physics. 32:2762
Tuning of resonant characteristics, especially of resonant frequency, was studied on surface acoustic wave resonator, which was formed on a lithium tetraborate substrate and adhered to a poled piezoelectric ceramic element. The resonant frequency was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::575c765d1edf81d32d29dc0809f81e54
https://doi.org/10.1143/jjap.32.2762
https://doi.org/10.1143/jjap.32.2762
Publikováno v:
Japanese Journal of Applied Physics. 31:3205
The moving grating method was applied to a photorefractive Bi12SiO20 crystal in order to enhance the light amplification factor γ0 in the two-wave mixing process and the reflectivity R of the phase conjugate wave in the four-wave mixing process. It
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1820da5b8f030de31fc24deeb852ee28
https://doi.org/10.1143/jjap.31.3205
https://doi.org/10.1143/jjap.31.3205
Publikováno v:
Ferroelectrics. 94:73-80
The characteristics of the ferroelectric and the electro-optic properties was investigated on the transparent PLZT ceramics, which had a slim D-E loop. The coercive force Ec was 0.24 × 106 V/m and the remnant polarization Pr was 7.9 × 10−2 C/m2 f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ac41759289c9512dfe8193fd5b04f2c
https://doi.org/10.1080/00150198908014235
https://doi.org/10.1080/00150198908014235
Publikováno v:
Ferroelectrics. 49:265-272
Interconnected porous Pb (Zr0.53 Ti0.47)O3 ceramics, with controlled porosity up to 0.73, were prepared. The piezoelectric coefficient, 933, measured using a resonant method and a Berlincourt d33 meter increased as the porosity increased. The d33 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::810170e64efad623e155cd9bb5af3d24
https://doi.org/10.1080/00150198308244698
https://doi.org/10.1080/00150198308244698