High temperature electric properties of polycrystalline la doped camno3 ceramics

High temperature thermoelectric properties of dy doped camno3 ceramics

Tài liệu Báo cáo " Signficantly improving magnetic properties of Sr-La-Co hexagonal ferrite" doc

... increase up-spin of positions 2a and 2b About the role of La to improve hard magnetic properties of hexagonal ferrite, the Vietnamese researchers have published a large number of publications ... and properties of Sr ferrite, J Phys IV, France (1997) CI 313 [17] N.Chau, N.K.Dung, D.L.Minh, B.T.Cong, High hard magnetic properties of Sr hexagonal ferrite substituted by La, Proceedings of ... Digests of the ICF8, Kyoto, Japan (2000) [2] Y Kubota, et al La-Co substituted Sr-Ferrite Magnets, Digests of the ICF8, Kyoto, Japan (2000) [3] G Obara, et al Magnetic Properties of Sr-La-Co...

gas sensing properties of nanoparticle indium - doped wo3 thick films

... the source of added support of charge that changes the sensing properties of the WO3 -based sensors Conclusions The gas sensing properties of pure and indium- doped nanoparticle WO3 thick films ... images of a pure WO1 thick film surface (a, b) and indium3 doped WO3 thick film with indium concentration of wt.% Fig Responses to ammonia of indium- doped WO3 sensors with indium concentrations of ... the first set of experiments show that the high response of pure WO3 sensing layers (even at Fig Chemical element distribution in the indium- doped WO3 sensor with indium concentration of wt.% 50...

gas - sensing properties of tin oxide doped with metal oxides and carbon

... image of an MWCNTs -doped SnO2 sol (c); FE-SEM image of an MWCNTs -doped SnO2 (d) Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides ... ethanol gas and LPG Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and ... press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleum gas, Sens Actuators B: Chem...

Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx

... Mawatari M, Hotokebuchi T: Development of novel thermal sprayed antibacterial coating and evaluation of release properties of silver ions J Biomed Mater Res B Appl Biomater 2008, 89B:456-465 22 Sanpo ... J: Structural and Chemistry of Apatites and Other Calcium Ortophosphates Amsterdam: Elsevier; 1994 doi:10.1186/1556-276X-6-613 Cite this article as: Ciobanu et al.: Structural and physical properties ... yeast extract at 37°C, followed by centrifuging The supernatants were discarded and Figure Comparative representation of the experimental XRD patterns of the Ca10-xAgx(PO4)6(OH)2 samples synthesized...

Báo cáo hóa học: " High-Temperature Stable Operation of Nanoribbon Field-Effect Transistors" pot

... result in the variation of the operation point, it is desirable to keep the current level constant over a range of temperatures In order to realize such operation of the nanoribbon FETs, we propose ... the bottom of the channel surface Table compares the off-state drain leakage portion of the two methods at different temperatures As shown in Table 1, in the case of method (1), the off-state ... substrate bias (VSUB) applied for the purpose of keeping the operation of the device constant for temperatures in the range from 25 to 150°C Constant on- and offstates were successfully accomplished...

Báo cáo hóa học: " A pH sensor based on electric properties of nanotubes on a glass substrate" pptx

... Japan Cover glass was purchased from Matsunami Glass Ind., Ltd., Japan A photoresist (OFPR-800) was purchased from Tokyo Ohka Kogyo Co., Ltd., Japan CNT immobilization on glass Fabrication of ... to fabricate a nanotube device on a cover glass and to investigate its applications Regarding the fabrication process of the nanotube FET sensor, chemical vapor deposition (CVD) method has been ... spincoater Pairs of areas were fabricated in the PMMA ﬁlm using photolithography and ordered pairs of electrode patterns were obtained (Fig 1a) A 1% APS solution was dropped on the substrate It was...

Báo cáo vật lý: "Structural and Dielectric Properties of the Mn-Doped BaO-Nd2O3-4TiO2 System" ppt

... capacitance of the grain and air in the pores It is well known that the capacitance of air is very much less than that of the grains.17 Therefore, the less dense sample has a lower dielectric ... suggests that the grain growth occurs along orthorhombic a or b axes because these axes are longer than the c axis in the orthorhombic structure Structural and Dielectric Properties of the Mn-Doped ... properties of dielectric materials, including the contents of individual crystalline, secondary phases and the degree of densification Therefore, a series of experiments was performed to find the optimum...

Báo cáo hóa học: " Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics" potx

... Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics Panupong Jaiban1, Ampika Rachakom1, Sukanda Jiansirisomboon1,2, and Anucha ... that evaporation of Na and Bi might occur which often resulted in a formation of a second phase and compositional inhomogeneity Similarly, several investigations also found the mentioned loss leading ... higher dielectric loss This study therefore showed that compositional variation in these new BNZT solid solutions affected the crystal structure, phase transition, microstructure, and dielectric properties...

báo cáo hóa học:" Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics" pptx

... al.: Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics Nanoscale Research Letters 2012 7:45 Author details Department of Physics and Materials ... of 1, 10, and 100 kHz Jaiban et al Nanoscale Research Letters 2012, 7:45 http://www.nanoscalereslett.com/content/7/1/45 Page of phase transition, microstructure, and dielectric properties Conclusions ... Influence of zirconia addition on the microstructure of K0.5Na0.5NbO3 ceramics J Eur Ceram Soc 2008, 28:1191-1196 Zhang SW, Zhang H, Zhang BP, Yang S: Phase- transition behavior and piezoelectric properties...

báo cáo hóa học:" Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics" pdf

... zirconium-doped bismuth sodium titanate ceramics Adv Mater Res 2008, 55:133-136 doi:10.1186/1556-276X-7-57 Cite this article as: Rachakom et al.: Crystal structure and electrical properties of bismuth sodium ... representation and manipulation of crystal structures and calculation of the resulting X-ray powder patterns J Appl Cryst 1996, 29:301-303 12 Jones GO, Thomas PA: Investigation of the structure and phase ... of materials Hence, this study showed that the observed dielectric and ferroelectric properties of BNTZ ceramics largely depended on compositional and crystal structure changes Optimization of...

gas sensing properties of wo3 doped rutile tio2 thick film at high operating temperature

... Please cite this article in press as: S.-E Jo et al., Gas sensing properties of WO3 doped rutile TiO2 thick film at high operating temperature, Curr Appl Phys (2009), doi:10.1016/j.cap.2009.06.053 ... (2009) xxx–xxx Fig SEM images of the sensing films Fig AFM images of the sensing films Fig XRD patterns of undoped TiO2, 11 wt.% WO3 doped TiO2 and 15 wt.% WO3 doped TiO2 Please cite this article ... affected the area of the sensor surface which related to the number of adsorbed oxygen ions and the gas sensing properties Also, we assumed that the high heat treatment temperature of the sensor...

Tài liệu Electronic Properties of Doped Semiconductors pptx

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Photonic Properties of Er-Doped Crystalline Silicon

... al.: Photonic Properties of Er-Doped Crystalline Silicon For Si:Er [5], [6], the interest has been fueled by prospective applications for Si-photonics, in view of the full compatibility of Er ... apply Vinh et al.: Photonic Properties of Er-Doped Crystalline Silicon (Bx[ is the position of the line in the spectrum) This value is in good agreement with the separation of lines L2 , L2 , ... limited to: Univ of Calif Santa Barbara Downloaded on June 16, 2009 at 20:39 from IEEE Xplore Restrictions apply 1273 Vinh et al.: Photonic Properties of Er-Doped Crystalline Silicon Fig Secondary...

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