Energetic disorder limits energy transfer in semiconductor nanocrystal–DNA–dye conjugates

Klaus Becker, Andrey L. Rogach, Jochen Feldmann, Dmitri V. Talapin, and John M. Lupton

These results show the importance of the spectral overlap between emission of a single donor and absorption of a single acceptor in its close vicinity, which determines the microscopic resonance and transfer efficiency between individual neighbors. This has important implications on the applicability of ensemble spectral overlap for the analysis of distance dependencies of nanoscopic objects.

Appl. Phys. Lett. 95, 143101 (2009)

Direct near-field optical investigation of phase-change medium in blue-ray recordable and erasable disk

Jen-You Chu, Shen-Chuan Lo, Shu-Chen Chen, You-Chia Chang, and Juen-Kai Wang

We report a direct examination of recorded marks in blue-ray recordable and erasable disks with scattering-type scanning near-field optical microscopy. The revealed near-field signatures show a potential influence on the carrier-to-noise ratio of this optical storage medium.

Appl. Phys. Lett. 95, 103105 (2009)

Microassembly based on hands free origami with bidirectional curvature

Noy Bassik, George M. Stern, and David H. Gracias

Microassembly based on origami, the Japanese art of paper folding, presents an attractive methodology for constructing complex three-dimensional (3D) devices and advanced materials. We report a design framework that can be used to achieve spontaneous bidirectional folds with any desired angle, and we demonstrate theoretical and experimental realizations of complex 3D structures.

Appl. Phys. Lett. 95, 091901 (2009)