Molecular, Mesoscale and Macroscopic Dynamics: Quantum Theory in Molecular Computation

“Molecular, Mesoscale and Macroscopic Dynamics: Quantum Theory in Molecular Computation”

William A. Goddard, III, PhD, Director of CalTech’s Materials & Process Simulation Center

Mechanically bonded macromolecules

Carbon based materials
Not may options below 30 nm of placement accuracy

Self assembly on a DNA template
DNA structure and CNT-DNA linker

Currently assembling with over 100 nm placement accuracy

Goddard working towards 3nm placement accuracy
DNA spacers 60 bp 22nm
DNA spacers 7 bp 2.9 nm

headed to placing DNA alignment with lithography

molecular sockets

two atoms per cell and 2 bands pi orbitals, half filled

Klein paradox cannot trap graphene electrons

Optical metamaterials

Light trapping in Metamaterials

Applying this to graphene to make transistors and controlled optics

Goos Hanchen effect for graphene transistors

Electronic waveguide. Triangular and periodic waveguides

42% transmittance but better than 10% of Kang Wang bar transistor
and can get to 99.2% gate modulation

MPUR gate length

Low energy electron enhanced etching, 50 times better etchings from 2nm surface damage

Damage free ani..

Describe interfaces between materials and excited phases with quantum mechanics

Hartree product EFF the electron force field
LE4 works via Auger disassociation processes (ionize SP2)

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