Sinusoidally modulated superlattices: Fabrication and structural studies

Physical Review B - Condensed Matter and Materials Physics

Volumn 61, Issue 12, 2000, Pages 8388-8392

  Reimer, P ^a   Buschert, John R ^a   Lee, S ^b   Furdyna, J ^b  

^a Goshen College   (India)

^b UNIVERSITY OF NOTRE DAME   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001629712     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.61.8388     Document Type: Article

References (10)

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2. M. Korn, M. Li, S. Tiong-Palisoc, M. Rauch, and W. Faschinger, Phys. Rev. B 59, 10 670 (1999).
3. P. Yashar, M. R. Pillai, J. Mirecki-Millunchick, and S. A. Barnett, J. Appl. Phys. 83, 2010 (1998).
4. G. Yang, S. Lee, and J. K. Furdyna (unpublished).We also mention parenthetically that in optical experiments we have observed very bright photoluminescence (PL) from such sinusoidal (Formula presented) superlattices. This was rather surprising, since modulated structures of this combination of materials are assumed to have a staggered (i.e., “type-II”) band alignment, suggesting that optical transitions in this system should be indirect.
5. W. H. Press, B. P. Flannery, S. A. Teukolsky, and W. T. Vetterling, Numerical Recipes in C (Cambridge University Press, Cambridge, 1988).
6. B. E. Warren, X-ray Diffraction (Addison-Wesley, Reading, MA, 1969).
7. W. Fischinger and D. Hommel (private communication). Several researchers have informed us that they saw hints of modulation in MBE growth in the presence of stage rotation.
8. S. Lee, F. Peiris, V. Bindley, and J. K. Furdyna, in International Conference on Frontiers in Semiconductor Lasers and Quantum Dot Physics (IAPS Press, La Jolla, CA, 1998). This reference demonstrates that even a small amount of Se tends to very effectively impede the incorporation of Te. Thus, although the rotation of the stage tends to trigger the growth described in this paper, issues such as the element-specific sticking coefficients and the difference in surface diffusion of Se and Te after they make contact with the surface are expected to be important in the process as well.
9. A. Guinier, X-ray Diffraction in Crystals, Imperfect Crystals, and Amorphous Bodies (Freeman, San Francisco, 1963).
10. P. Miceli and H. Zabel, Z. Phys. B: Condens. Matter 74, 457 (1989).