Báo cáo hóa học: " Optical identification of electronic state levels of an asymmetric InAs/InGaAs/GaAs dot-in-well structure" potx

... QW (a) Figure 5 Annealing temperature dependence of integrated intensity of QDs and InGaAs QW (a), peak energy of GS and ES1 of QDs (b), FWHM of GS and ES1 of QDs (c). Zhou et al. Nanoscale Research ... nE ph (4) Here, ΔΕ e and ΔΕ h are the ene rgy difference of elec- tron and ho le sublevels, respectively, and ΔΕ exciton is the energy difference of different exciton states, i...

Ngày tải lên: 21/06/2014, 04:20

... 2011:113 http://asp.eurasipjournals.com/content/2011/1/113 Page 5 of 8 Author details 1 Department of Computer, University of Kurdistan, P.O. Box 416, Sanandaj, Iran 2 Department of Computer, Isfahan University of Technology, Isfahan, Iran Competing ... characteristics and low possibility of fraud because pattern of human’s retinas rarely changes during their life and also it is...

Ngày tải lên: 20/06/2014, 22:20

... express low levels of C1 inhibitor and membrane cofactor protein mRNAs Masato Hosokawa, Andis Klegeris and Patrick L McGeer* Address: Kinsmen Laboratory of Neurological Research, University of British ... were of the predicted size (see Table 1). Statistical analysis The data are presented as means ± s.e.m. The significance of difference between values was estimated by means of...

Ngày tải lên: 19/06/2014, 22:20

... eliminate theinfluencesfromothersubbandsbyusingaband- stop filter whose band limits are outside of subband number b (here, we chose each of them in the middle of one subband adjacent to b). Let h be the impulse response of such ... stimuli, it cannot assess the performance of the system under test in realistic conditions. Therefore it can only be used in monitoring the technical per...

Ngày tải lên: 20/06/2014, 22:20

... Engineering, University of California, San Francisco, USA and 2 Department of Pathology and Cancer Research Institute, University of California, San Francisco, USA Email: Akhilesh K Sista* - ... Number R21CA129725 from the National Cancer Institute and a Univer- sity of California San Francisco, Department of Radiology and Biomedical Imaging seed grant, #07-02. References 1. Olu...

Ngày tải lên: 18/06/2014, 15:20

... spasticity of the plantarflexors [2]. In the absence of compensatory movements, such as hip cir- cumduction, the foot can fail to clear the ground during the swing phase of gait and can often land in an ... AV Nene, MJ Tenniglo, HE van der Aa, HP Buschman, MJ Ijzerman, A randomized controlled trial of an implantable 2- channel peroneal nerve stimulator on walking speed and activit...

Ngày tải lên: 19/06/2014, 08:20

... patterns of the MoS 2 nanotubes, exfoliated nanotubes in a wet, paste-like form, and dry, restacked MoS 2 nanolayers are presented in Figures 4 and 5. Fig- ure 4 shows the XRD spectrum of MoS 2 nanotubes used ... com- posites, photovoltaics, and nanoelectronics. Acknowledgements The authors thank Janez Jelenc for the AFM images and Janez Kovac for the useful discussions. Author details 1...

Ngày tải lên: 20/06/2014, 22:20

... understanding of the photon absorption and emission mechanisms of this material, several samples are characterised optically via spectroscopy and photoluminescence measurements. The values of optical ... Hayne M, Jivanescu M, Stesmans A, Zacharias M, Lebedev OI, Van Tendeloo G, Moshchalkov VV: Classification and control of the origin of photoluminescence from Si nanocrystals. Nat...

Ngày tải lên: 20/06/2014, 23:20

... data analysis and drafting of the manuscript. XDS contributed in the planning of the experimental program and in discussing of carbon sphere formation mechanism. DKZ contributed in the analysis ... (Grant ISL-CH070104) and the Centre for Microscopy, Characterisation and Analysis of the University of Western Australia (UWA) for electron microscopy and microanalysis. Reference...

Ngày tải lên: 20/06/2014, 23:20

... in situ annealing for 0, 10 and 30 min. The PL spectra of the 0- and 10-min annealed samples can be well f itted to a double Gaussian function whereas that of the 30-min annealed sample can be ... Mei T, Wang XC, Zhang XH, Karunasiri G, Fan WJ, Wang CH, Jiang J, Wang S: Characteristics of InGaAs quantum dot infrared photodetectors. Appl Phys Lett 1998, 73:3153-3155. 12. Mo QW, Fan TW, G...

Ngày tải lên: 21/06/2014, 01:20