A Note on the Spectrum of Doubly Ionized Scandium by Smith S. PDF

By Smith S.

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H. , Field, S. , Kastner, M. , Smith, H. , and Antoniadis, D. , Phys. Rev. Lett. 62, 583 (1989). , Phys. Rev. B 59, 2801 (1999). [23] Sachrajda, A. , Nano-spintronics with lateral quantum dots, in: Electronic Transport in Quantum Dots, J. P. Bird, Editor (Kluwer, Boston, 2003). , and Sachrajda, A. , Appl. Phys. Lett. 80, 2177 (2002). , Sachrajda, A. , Phys. Rev. Lett. 88, 256804 (2002). [26] Sachrajda, A. , Physica E 10, 493 (2001). [27] Lidar, D. A. and Thywissen, J. , J. Appl. Phys. 96, 754 (2004).

The weakness of the exciton related transition has been almost invariably observed and we have good reason to believe that this is due to the influence of an energetically lower-lying dark exciton state in such InP/GaInP QDs. This topic will be discussed in detail in a future publication. 4 meV. The fact that two peaks can be observed, one from each dot implies that the asymmetric QDs are not coupled and that as expected the barrier spacing of 20 nm is too large to allow this process to occur to any significant degree.

QDs have a number of distinct advantages over real atoms, for example, notwithstanding the April 9, 2008 16:17 World Scientific Review Volume - 9in x 6in Quantum Optical Studies of Single Coupled Quantum Dot Pairs semiconductor 35 fact that a single QD can be spatially controlled much more easily than a single atom, the discrete quantum states (electron and hole energy levels) in QDs can be tuned over a large range of values by simply varying the dot composition, dimensions, etc. In an analogous way to atoms, electronically coupled QDs can also interact in ways that are intermediates between the ionic and covalent limits.

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A Note on the Spectrum of Doubly Ionized Scandium by Smith S.


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