Download Fundamentals and Applications of Nanomaterials (Artech by Zhen Guo PDF

By Zhen Guo

This well timed source deals engineers and researchers with a huge creation to nanomaterials, overlaying simple rules, expertise, and state of the art purposes. From quantum mechanics, band constitution, floor chemistry, thermodynamics, and kinetics of nanomaterials, to nanomaterial characterization, nanoparticle synthesis, nanoelectronics, NEMS, and Nano-Bio fabrics, this groundbreaking quantity presents a pretty good knowing of quite a lot of primary themes and brings pros up to date with the most recent advancements within the box. This informative e-book is supported with greater than one hundred sixty illustrations.

Show description

Read or Download Fundamentals and Applications of Nanomaterials (Artech House) PDF

Best applied mathematicsematics books

Fundamentals of Robotic Mechanical Systems: Theory, Methods, and Algorithms, 2nd Edition

Sleek robotics dates from the past due Nineteen Sixties, while development within the improvement of microprocessors made attainable the pc keep an eye on of a multiaxial manipulator. due to the fact then, robotics has advanced to hook up with many branches of technology and engineering, and to surround such varied fields as machine imaginative and prescient, synthetic intelligence, and speech reputation.

The Commercial Manager: The Complete Handbook for Commercial Directors and Managers

The industrial supervisor is the full instruction manual for practitioners throughout all sectors of trade and and covers each element of this multi-faceted function. advertisement administration covers a wide range of other and the most important features together with agreement negotiation, procurement, monetary administration, possibility administration, undertaking management—and but previously the topic has hardly if ever been taken care of as a unmarried self-discipline.

Additional info for Fundamentals and Applications of Nanomaterials (Artech House)

Sample text

On the other hand, in crystalline solids, there are ∼1023 atoms in a 3D lattice structure. LCAO theory based on linear algebra is no longer useful. 6 Schematic illustration of energy level in a multiatom molecule with chain structure, showing that electrons are mostly occupying the energy level below ␣ and that a gap exists between HOMO and LUMO. ) 36 Fundamentals and Applications of Nanomaterials imagine trying to use it to solve such a big and sparse matrix, not to mention that the lattice is now 3D so we might need a tensor instead of a matrix.

8-eV semiconductor, it can only absorb and emit the red light spectrum. However, when we have quantum dots of nanocrystals ranging from 30 to 200 nm, the entire visible light spectrum can be covered. 8 eV on bulk materials to almost 4 eV at the 30-nm size of quantum dots, which leads to a wide range of light-emitting and -absorbing spectra. 11. 11 Energy bandgap increase with decrease of quantum well thickness, indicating that the quantum effect is significant at small feature size. 2 Bottom-Up Method for Carbon-Based Nanocrystals The bottom-up approach uses the same LCAO theory that we used when we studied molecules, but extends it to a much larger number of atoms.

7, when Li atoms are isolated, the energy levels for the 1s and 2s orbitals are E 1s and E 2s , respectively. When we bring N atoms together to form a solid, the 2s level will split to N finite energy levels. From discussions based on LCAO theory in previous sections, all of those N energy levels now locate between ␣ + 2 ␤ and ␣ − 2 ␤ . The maximum separation is ∼4 ␤ on the order of 5 to 10 eV. On the other hand, N is such a large number (on the order of 1023 ) that the discrete energy levels in the range of ␣ + 2 ␤ and ␣ − 2 ␤ can be considered as a continuous energy band.

Download PDF sample

Rated 4.34 of 5 – based on 26 votes