BAND STRUCTURE AND POSITRON ANNIHILATION IN METALS: Be AND Mg
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
The angular correlation of positron annihilation radiation from oriented beryllium and magnesium crystais has been measured. The derivatives of the angular distributions from beryllium show fine structure and marked anisotropy compared to the observed nearly isotropic behavior of magnesium. A qualitative theoretical interpretation of the data is given in terms of the Bloch functions of the conduction band. It is emphasized that the correlation curves are sensitive to the details of these wave functions and do not yield directly cross- sectional areas of the fermi distribution. (auth)
- Research Organization:
- Brandeis Univ., Waltham, Mass.
- NSA Number:
- NSA-17-003624
- OSTI ID:
- 4759446
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 128; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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