被引频次： 144 刘伟吴天丁家琦林本川. one shouldn’t work on semiconductors, that is a filthy mess; who knows whether any semiconductors exist. reproducible.

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Presentation transcript:

被引频次： 144 刘伟吴天丁家琦林本川

one shouldn’t work on semiconductors, that is a filthy mess; who knows whether any semiconductors exist. reproducible

Introduction 1 um Single dopant semiconductor

MOSFET

Ordered Random reproducible

Modelling of impurity states Shallow level deep level Effective mass theory Green function theory Density function theory(100 atoms) Tight binding theory

a.STM b.Tight-binding model c.Effective mass model d.Density function model the charge distribution around a single Mn acceptor in GaAs

Observing single impurities Scanning confocal microscopy STM

Confocal microscopy

Creation of single-impurity structures Single ion implantation STM-induced

STM-based device fabrication in silicon

STM-induced incorporation

Interaction with single impurities Host Electrical field Magnetic field Optical excitation Strain Impurity-impurity

Contour-plot of QD PL

Parallel Vertical

nonmagnetic Mn-doped

Impurity-impurity interaction

Single-impurity devices Optical devices Electronic devices NV centers in diamond manipulation Spin charge nuclear electron realization Single ion implantation STM-controlled placement

Fluorescence microscopy confocal microscopy

Nano-FET with locally implanted single P atoms electron states and transport properties of a single P

Schematic of a scanning decoherence microscopy set-up

The future of solotronics Full electronic spectrum Entangled impurity state: 10~100nm Device miniaturization Self-assembled

Thank you! 刘伟吴天丁家琦林本川