Ultra high density dimer memory device

Details Ultra high density dimer memory device Ultra high density dimer memory device

1994-04-29

1995-09-05

Fears, Terrell W.

Static information storage and retrieval

Systems using particular element

Molecular or atomic

365153, G11C 1302

Patent

active

054485142

ABSTRACT:
A memory device having a storage medium including a substrate with a surface configuration having a plurality of asymmetric surface dimers, a device for writing data into the storage medium by modifying the configuration of the surface dimers, and a device for reading the modified configuration of the surface dimers. According to an exemplary embodiment of the present invention, a memory device which utilizes the atomically sharp scanning tip of a scanning tunneling microscope as the writing and reading device, and the (100) surface of a diamond structure (silicon, germanium, or carbon) as the storage medium with surface dimers as the storage units.

REFERENCES:
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patent: 5323375 (1994-06-01), Ihara et al.
Kleinlman, Leonard, and D. M. Bylander, "Efficacious Form for Model Pseudopotentials", Physical Review Letters , vol. 48, No. 20, May 17, 1982, pp. 1425-1428.
Payne, M. C., M. P. Teter, D. C. Allan, T. A. Arias, and J. D. Joannopoulos, "Iterative Minimization Techniques for -Ab Initio Total-Energy Calculations: Molecular Dynamics and Conjugate Gradients", Reviews of Modern Physics, vol. 64, No. 4, Oct. 1992, pp. 1045-1097.
Perdew, J. P., and Alex Zunger, "Self-Interaction Correction to Density-Functional Approximations for Many-Electron Systems", Physical Review B, vol.23, No. 10, May 15, 1981, pp. 5048-5079.

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