نتایج جستجو برای: r hall

تعداد نتایج: 510801  

2009

J . J . W I N E B R A K E , * , † J . J . C O R B E T T , ‡ E . H . G R E E N , † A . L A U E R , § A N D V . E Y R I N G | Department of STS/Public Policy, 1356 Eastman Building, Rochester Institute of Technology, Rochester, New York 14623, College of Earth, Ocean, and Environment, 305 Robinson Hall, University of Delaware, Newark, Delaware 19716, International Pacific Research Center, Univers...

2007

Jr. (eds.). Prentice Hall, Englewood Cliffs, New JerWILBUR, H. M. 1988. Interactions between growing sey. predators and growing prey, p. 157-1 72. In: Size-, A N D G. K. MEFFE. 1989. Poeciliid biology: structured populations. B. Ebenman and L. Persson where we are and where we should be going, p. (eds.). Springer-Verlag, Berlin and Heidelburg, 351-358. In: Ecology and evolution of livebearing G...

Journal: :Physical review letters 2012
Helin Cao Jifa Tian Ireneusz Miotkowski Tian Shen Jiuning Hu Shan Qiao Yong P Chen

Bi2Se3 is an important semiconductor thermoelectric material and a prototype topological insulator. Here we report observation of Shubnikov-de Hass oscillations accompanied by quantized Hall resistances (R(xy)) in highly doped n-type Bi2Se3 with bulk carrier concentrations of few 10(19) cm(-3). Measurements under tilted magnetic fields show that the magnetotransport is 2D-like, where only the c...

2015

In concert hall acoustics, the spatial character of a sound field has been understood as important for quite some time. Reichardt and Schmidt performed initial studies on the perception of directional reflections and reverberation1. Identifying lateral reflections as important, Reichardt and Lehmann proposed a metric, Room Impression Index (R), to predict subjective room impression, mainly in t...

مهندس محمد قلی – محمدی

Journal: :Biochemical Society transactions 1990
R M Weedle T G Cotter

3 . Wyllie, A. H. & Morris, R. G. ( 1982) Am. J . Paflzol. 109, 78-87 4. Wyllie, A. H. (1980) Nature (London) 284,555 5 . Kerr, J. F. R., Harmon, B. & Searle, J. (1974) J. Cell. Sci. 14, 57 1-585 6. Bowen, I. & Lockshin, R. A. (eds.) ( 198 1 ) in Cefl Ileoth in Hiology and ~'ufhology, pp. 209-242. Chapman and Hall, London 7. Collins, S. J.. Gallo. R. C. & Gallagher, R. E. PI 977) Nutiire (Londo...

Scanning Hall Probe Microscopy (SHPM) is a scanning probe microscopy technique developed to observe and image magnetic fields locally. This method is based on application of the Hall Effect, supplied by a micro hall probe attached to the end of cantilever as a sensor.  SHPM provides direct quantitative information on the magnetic state of a material and can also image magnetic induction under a...

H. Savaloni K. Khojier,

This paper reports the correlation between film thickness, nanostructure and DC electrical properties of copper thin films deposited by PVD method on glass substrate. X-ray diffraction (XRD) and atomic force microscopy (AFM) were used for crystallography and morphology investigation, respectively. Resistivity was measured by four point probe instrument, while a Hall effects measurement system w...

2003
J. C. Denardin M. Knobel X. X. Zhang A. B. Pakhomov

A comprehensive review of the giant Hall effect (GHE) is presented, with emphasis on novel experimental data obtained in Ni–SiO2 and Co–SiO2 films prepared by co-sputtering. GHE is observed close to and on both sides of the metal–insulator transition. From the point of view of microscopic conduction mechanisms, this means a crossover from metallic conductivity with weak localization to tunnelin...

2016
M. Ocio

Strong evidence for the existence of two valence bands in Pb0.7Sn0.3Te and Pbo.sSno.sTe is inferred from the observation of a kink in the variation of the Hall ratio R ~ O O ~ K I R ~ ~ O O K , as a function of hole concentration. This existence is also supported by the fact that the variation of the Seebeck coefficient as a function of hole concentration exhibits a minimum. Moreover, non parab...

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