ENCYCLOPEDIA O FMATERIALS CHARACTERIZATIONC phần 1 ppsx

... Atomic Absorption Spectroscopy Atomic Absorption Vapor Phase Decomposition-Atomic Absorption Spectroscopy Graphite Furnace Atomic Absorption Flame Atomic Absorption Auger Electron Spectroscopy ... Loss Spectroscopy High-Resolution Electron Energy-Loss Spectroscopy Reflected Electron Energy-Loss Spectroscopy Reflection Electron Energy-Loss Microscopy Low-Energy Electron-Loss Spectr...

Ngày tải lên: 12/08/2014, 14:21

... it is becoming widely used to monitor homogeneous surface impurities at concentrations down to 10 &apos ;o- lO1' atoms/cm2 for heavy metals and 10 '2 -10 '3 atoms/cm2 for elements ... thin-film formation; evaluation of thin-film coatings or lubricants (thicknessquantity, chemical composition); failure analysis for adhesion between components, air oxi- dation, corros...

Ngày tải lên: 12/08/2014, 14:21

... Sci. Technol, A 511 81 (19 87). This article discusses why one would choose nonresonant multiphoton ionization for mass spectrometry of solid surfaces. Examples are given for depth profiling ... high-technology materials where the identification of contaminants 10 .2 Static SIMS 557 IO MASS AND OPTICAL SPECTROSCOPIES 10 .1 10 .2 10 .3 10 .4 10 .5 10 .6 10 .7 10 .8...

Ngày tải lên: 12/08/2014, 14:21

... is colored, the stage is rotated. Colored, anisotropic materi- als may show pleochroism-a change in color or hue when the orientation with respect to the vibration direction of the polarizer ... microscope. The optical microscope offered the scientist a first look at most samples and could be used to routinely doc- ument the progress of an investigation. As the sophistication of ....

Ngày tải lên: 12/08/2014, 14:21

... phonon-assisted photon emission or, more likely, the emission of phonons only. Process 2 produces intrinsic lumi- nescence due to direct recombination between an electron in the conduction ... from contamination sources that would change the mea- sured through-section composition. Ion-beam milling for short times usually removes such films deposited by electropolishing; however, ion-be...

Ngày tải lên: 12/08/2014, 14:21

... biochemistry, and medicine, where it is known under the general name of fluorometry. In PL of semiconductors, one mon- itors emission from the bottom of the conduction band to the top of ... 10 '7 -10 '9 cm-3 by observing the ratio of the peak intensity of the nitrogen-bound exciton transition to that of its LO phonon side- band, or to peaks involving nitrogen...

Ngày tải lên: 12/08/2014, 14:21

... Piream.' HEELS is abso- lutely nondestructive and can be used to obtain information on the chemical com- position, morphology, structure, and phonon modes of the solid surfice. Many polymer ... insulators, including AlZO3, MgO, SiO2, LiF, and NaC1. Comparison to Other Techniques Information on vibrations at surfaces is complementary to that provided on the compositional a...

Ngày tải lên: 12/08/2014, 14:21

... 19 81. Describes method for correction of overlapping spectral lines when using a polychromator for 9 J. W Olesik. hlyt. Gem. 63 ,12 A, 19 9 1. Evaluation of remaining limi- ICP-OES. ... National Laboratory, USA Reactor ORR Oak Ridge National Laboratory, USA Reactor Table 1 Some neutron sources. Within nuclear reactors, neutrons are a primary product of nuclear fis...

Ngày tải lên: 12/08/2014, 14:21

... 1, 19 90. Description of the pro- 11 .4 NRA 693 12 .3 MOKE Magneto-optic Kerr Rotation DAVID E. FOWLER Contents Introduction History and Basic Principles Instrumentation Comparison ... Conference 14 64: Symposium on I.C. Metrology, Inspection, and Process Control, San Jose, CA, 19 91, Proc. SPIE. 14 64, pp. 245-257, 19 9 1. Another application is presented...

Ngày tải lên: 12/08/2014, 14:21

... Ion scattering Spectroscopy, Iss 514 MASS AND OPTICAL SPECTROSCOPIES 10 .0 10 .1 10 .2 10 .3 10 .4 10 .5 10 .6 10 .7 10 .8 10 .9 Introduction 527 Dynamic Secondary Ion Mass Spectrometry, ... Transmission Electron Microscopy Transmission Electron Microscope Conventional Transmission Electron Microscopy Scanning Transmission Electron Microscopy High Resolution Transmi...

Ngày tải lên: 05/03/2014, 16:20