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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 on theme: "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."— Presentation transcript:

1 被引频次: 144 刘伟 吴天 丁家琦 林本川

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

3 Introduction 1 um Single dopant semiconductor

4 MOSFET

5

6 Ordered Random reproducible

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

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

9 Observing single impurities Scanning confocal microscopy STM

10 Confocal microscopy

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

12 STM-based device fabrication in silicon

13

14 STM-induced incorporation

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

16 Contour-plot of QD PL

17 Parallel Vertical

18 nonmagnetic Mn-doped

19 Impurity-impurity interaction

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

21 Fluorescence microscopy confocal microscopy

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

23 Schematic of a scanning decoherence microscopy set-up

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

25 Thank you! 刘伟 吴天 丁家琦 林本川


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