# An exchange-coupled donor molecule in silicon.
> シリコン中の交換結合ドナー分子に関する実験的・理論的研究


## Abstract

This study presents a combined experimental and theoretical analysis of the energy spectrum and exchange coupling of an isolated donor pair embedded in a silicon nanotransistor. Molecular hybridization of atomic orbitals was found to increase one- and two-electron binding energies as well as charging energy relative to the single-donor configuration, a property considered advantageous for quantum electronic device applications. A hydrogen molecule-like theoretical framework employing multivalley central-cell corrected effective mass theory with full configuration interaction treatment of the two-electron spectrum successfully reproduced measured data corresponding to an arsenic diatomic molecule at an interatomic separation of 2.3 ± 0.5 nm.

## Bibliographic

- **Authors**: Gonzalez-Zalba MF, Saraiva A, Calderón MJ, Heiss D, Koiller B, Ferguson AJ
- **Journal**: Nano Lett
- **Year**: 2014 (2014-10-08)
- **PMID**: [25230333](https://pubmed.ncbi.nlm.nih.gov/25230333/)
- **DOI**: [10.1021/nl5023942](https://doi.org/10.1021/nl5023942)
- **Study type**: other
- **Delivery route**: not specified
- **Effect reported**: not assessed

## Delivery context

The delivery route is not clearly identifiable from this paper. For hydrogen intake, inhalation is the most efficient route; inhalation, however, carries explosion risk (empirical LFL of 10%; high-concentration devices are not recommended).

## Safety notes

The delivery route is not clearly identifiable from this paper. For hydrogen intake, inhalation is the most efficient route; inhalation, however, carries explosion risk (empirical LFL of 10%; high-concentration devices are not recommended).

See also:
- [Inhalation concentration and LFL / UFL](https://h2-papers.org/en/safety-notes/inhalation-concentration)
- [Consumer Affairs Agency accident cases](https://h2-papers.org/en/safety-notes/accident-cases)

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> **Cite as**: H2 Papers — PMID 25230333. https://h2-papers.org/en/papers/25230333
> **Source**: PubMed PMID [25230333](https://pubmed.ncbi.nlm.nih.gov/25230333/)