High temperature thermoelectric properties of dy doped camno3 ceramics

High temperature electric properties of polycrystalline la doped camno3 ceramics

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...

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...

synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods

... proﬁles of the Fe-doped tungsten oxide nanorods after annealing in air The inset shows the morphology of the annealed sample and the area for recording EDX spectrum other iron oxides because of the ... in different iron oxides In order to determine the magnetization contribution of different magnetic phases, a basic knowledge for the magnetic properties of bulk Fe and its oxides is crucial ... magnetization at K of the asprepared sample in an applied ﬁeld of T is as large as 56 Am2 =kg, arising from the magnetization of metallic Fe and its oxides Assuming a magnetic moment of 2:2mB per iron...

Báo cáo " Synthesis and thermoelectric properties of La(Fe1-xSix)13 compounds (x = 0.12, 0.14 and 0.15) " pptx

... and 18% for x = 0.12 and 0.14, respectively Finally, the thermal conductivity (κ) of La(Fe1-xSix)13 (x = 0.12, 0.14 and 0.15) compounds is shown in Fig For general, the thermal conductivity of ... of the thermopower of La(Fe1-xSix)13 compounds Fig shows the temperature dependence of the thermopower (α) in the La(Fe1-xSix)13 (x = 0.12, 0.14 and 0.15) compounds All the compounds have negative ... compounds Fig shows the XRD patterns of the La(Fe1-xSix)13 (x = 0.12, 0.14 and 0.15) compounds X-ray diffraction confirms that the solid solution of La(Fe1-xSix)13 compounds crystallizes in the cubic...

Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx

... http://www.nanoscalereslett.com/content/6/1/587 Page of Figure TEM and HRTEM images of Zn0.99 5Zr0 .005O Nps (a) The representative TEM image of Zn0.99 5Zr0 .005O and the inset is the SAED pattern (b) The HRTEM image of Zn0.99 5Zr0 .005O hysteresis ... of Zr Furthermore, the magnetism of the samples depends strongly on the doping Zr content, and Ms per Zr atom decreases monotonously from 0.0089 μ B /Zr (Zn 0.995 Zr 0.005 O) to 0.0013 μ B /Zr ... content of Zr, and decreases continuously as the increase of the doping Zr content through the magnetic measurement at RT Combining with the results of Raman and XPS, we suppose that the FM of the...

Báo cáo hóa học: " Thermoelectric properties of Ca0.8Dy0.2MnO3 synthesized by solution combustion process" pptx

... temperature of Ca0.8Dy0.2MnO3 is important for improving its thermoelectric properties Figure Seebeck coefficient of Ca0.8Dy0.2MnO3 as a function of temperature Figure Power factor of Ca0.8Dy0.2MnO3 ... doi:10.1186/1556-276X-6-548 Cite this article as: Park and Lee: Thermoelectric properties of Ca0.8Dy0.2MnO3 synthesized by solution combustion process Nanoscale Research Letters 2011 6:548 Submit ... measured over a temperature range of 500-800°C Samples for the measurements of thermoelectric properties were cut out of the sintered bodies in the form of rectangular bars of × × 15 mm3 with a diamond...

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: "Photovoltaic Properties of p-Doped GaAs Nanowire Arrays Grown on n-Type GaAs(111)B Substrate" docx

... PV properties of p-doped GaAs NWs array grown on the n -GaAs( 111)B substrate at different substrate temperatures The highest conversation efﬁciency 1.65% is achieved at 550 °C To the best of our ... has been grown on the GaAs( 111)B semi-insulating substrate at the same growth conditions as used for the NWs samples Electrical measurements (van der Pauw method) conﬁrm n-type doping of the layer ... deposition, the sample surface is treated in oxygen plasma until the tips of GaAs NWs are exposed Conventional Ohmic contacts for the backside of n-type substrate are fabricated by electron-beam...

Magnetotransport properties of strontium doped lanthanum manganite nanoconstriction array

... MAGNETOTRANSPORT PROPERTIES OF STRONTIUM DOPED LANTHANUM MANGANITE NANOCONSTRICTION ARRAY LIU HUAJUN (B Sc., Jilin University M Sc., Jilin University) A THESIS SUBMITTED FOR THE DEGREE OF ... Comparison of the three non-intrinsic LSMO nanoconstriction Arrays 4.5 Summary 104 4.6 References 106 103 iv Magnetotransport properties of intrinsically ferromagnetic LSMO nanoconstriction arrays ... 114 5.1 Magnetotransport properties 114 5.2 Domain structure of the LSMO nanoconstriction array 117 5.2.1 OOMMF (Object Oriented Micromagnetic Framework) 5.2.2 Simulation results of LSMO nanoconstriction...

INVESTIGATION OF ELECTRIC AND THERMOELECTRIC PROPERTIES OF GRAPHENE NANORIBBON

... 1.1.1 Graphene in carbon family 15 1.1.2 Electronic properties of graphene 17 1.1.3 Band structure in graphene 18 1.1.4 Band gap in graphene nanoribbon (GNR) 19 1.2 Thermoelectrical ... Thermoelectrical properties of graphene 21 1.2.1 Seebeck coefficient and the figure of merit ZT 21 1.2.2 Thermoelectrical properties in graphene 23 1.3 Chapter 2.1 Objective and scope of this ... 3.112D plot of Conductance of graphene nanoribbon with width of 60nm as a function of Vsd and Vbg at T=4.3 K 51 Figure 4.1 Optical image of thermal power device, is heater, and is thermometers...

Fabrication and properties of manganese doped zinc oxide

... 1.1 Zinc Oxide 1.1.1 The Structure of Zinc Oxide 1.1.2 The Properties of Zinc Oxide 1.1.3 Applications of Zinc Oxide 1.1.4 Doping of Zinc Oxide ... in un -doped and Mn -doped ZnO [9] Obviously, the change in the optical properties is strongly dependent on the method of incorporation of Mn, fabrication conditions, and properties of un -doped ... as zinc interstitials, oxygen vacancies, and extended defects, such as threading dislocations [11] 1.1.2 The Properties of Zinc Oxide 1.1.2.1 Electrical Properties As a direct and large-band-gap...

research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials

... applications From the above fact, we have chosen dissertation topic is Research on fabrication and the physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials ... study the effect of Zr/Ti ratio in PZT on the structure, and the properties of the PZT - PZN - PMnN ceramics, determine PZT content which ceramics have good electrical properties and the relaxor ferroelectric ... physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials, Pb(Zn1/3Nb2/3)O3 and Pb(Mn1/3Nb2/3)O3 The results of the thesis will open up prospects for the...

Tài liệu Electronic Properties of Doped Semiconductors pptx

...

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