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Selected papers from the latest issue:Love wave hydrogen sensors based on ZnO nanorod film/36°YX-LiTaO3 substrate structures operated at room temperature
01 June 2011, 23:37:34
Publication year: 2011
Source: Sensors and Actuators B: Chemical, In Press, Accepted Manuscript, Available online 1 June 2011
Yan, Wang , Shu-yi, Zhang , Feng-mei, Zhou , Li, Fan , Yue-tao, Yang , ...
Love wave hydrogen sensors based on ZnO nanorod layers deposited on 36°YX-LiTaO3 substrates have been studied. The ZnO nanorod layers are prepared by two steps: first, the seed layers, as well the guiding layers of the Love wave devices, are deposited by RF magnetron sputtering; second, the nanostructural layers, as well the sensing layers of the sensors, are grown by hydrothermal synthesis. Two kinds of ZnO layers have been analyzed by XRD, SEM and XPS. The XRD shows that both ZnO layers have (002) oriented wurtzite structures. The SEM results reveal that the morphologies of the deposited ZnO seed layers...
Source: Sensors and Actuators B: Chemical, In Press, Accepted Manuscript, Available online 1 June 2011
Yan, Wang , Shu-yi, Zhang , Feng-mei, Zhou , Li, Fan , Yue-tao, Yang , ...
Love wave hydrogen sensors based on ZnO nanorod layers deposited on 36°YX-LiTaO3 substrates have been studied. The ZnO nanorod layers are prepared by two steps: first, the seed layers, as well the guiding layers of the Love wave devices, are deposited by RF magnetron sputtering; second, the nanostructural layers, as well the sensing layers of the sensors, are grown by hydrothermal synthesis. Two kinds of ZnO layers have been analyzed by XRD, SEM and XPS. The XRD shows that both ZnO layers have (002) oriented wurtzite structures. The SEM results reveal that the morphologies of the deposited ZnO seed layers...
Structural and properties of nanocrystalline WO3/TiO2-based humidity sensors elements prepared by high energy activation
01 June 2011, 23:37:34
Publication year: 2011
Source: Sensors and Actuators B: Chemical, In Press, Accepted Manuscript, Available online 1 June 2011
K.O., Rocha , S.M., Zanetti
Nanocrystalline WO3/TiO2-based powders have been prepared by the high energy activation method with WO3 concentration ranging from 1 to 10 mol%. The samples were thermal treated in a microwave oven at 600°C for 20min and their structural and micro-structural characteristics were evaluated by X-ray diffraction, Raman spectroscopy, EXAFS measurements at the Ti K-edge, and transmission electron microscopy. Nitrogen adsorption isotherms and H2 Temperature Programmed Reduction were also carried out for physical characterization. The crystallite and particle mean sizes ranged from 30 to 40nm and from 100 to 190nm, respectively. Good sensor response was obtained for samples with at least 5...
Source: Sensors and Actuators B: Chemical, In Press, Accepted Manuscript, Available online 1 June 2011
K.O., Rocha , S.M., Zanetti
Nanocrystalline WO3/TiO2-based powders have been prepared by the high energy activation method with WO3 concentration ranging from 1 to 10 mol%. The samples were thermal treated in a microwave oven at 600°C for 20min and their structural and micro-structural characteristics were evaluated by X-ray diffraction, Raman spectroscopy, EXAFS measurements at the Ti K-edge, and transmission electron microscopy. Nitrogen adsorption isotherms and H2 Temperature Programmed Reduction were also carried out for physical characterization. The crystallite and particle mean sizes ranged from 30 to 40nm and from 100 to 190nm, respectively. Good sensor response was obtained for samples with at least 5...
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