Nanometer-scale mechanical properties probed by two-dimensional dynamic force spectroscopy with rigid cantilever
We demonstrate that frequency-modulated atomic force microscopy with a rigid cantilever can be used to image the microphase separation of soft materials, i.e., a polystyrene/poly(methylmethacrylate) b...
We demonstrate that frequency-modulated atomic force microscopy with a rigid cantilever can be used to image the microphase separation of soft materials, i.e., a polystyrene/poly(methylmethacrylate) b...
In situ infrared spectroscopy of hafnium oxide growth on hydrogen-terminated silicon surfaces by atomic layer deposition
The interface formation between HfO2 and H-terminated Si(111) and Si(100) is studied by in situ infrared absorption spectroscopy during atomic layer deposition using alternating tetrakis-ethylmethylam...
The interface formation between HfO2 and H-terminated Si(111) and Si(100) is studied by in situ infrared absorption spectroscopy during atomic layer deposition using alternating tetrakis-ethylmethylam...
Quantum dot formation on a strain-patterned epitaxial thin film
Appl. Phys. Lett. 87, 133102 (2005); doi:10.1063/1.2061852
Published 19 September 2005
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We model the effect of substrate strain patterning on the self-assembly of quantum dots (QDs). When the surface energy is isotropic, we demonstrate that strain patterning via embedded substrate inclusions may result in ordered, self-organized QD arrays. However, for systems with strong cubic surface energy anisotropy, the same patterning does not readily lead to an ordered array of pyramids at long times. We conclude that the form of the surface energy anisotropy strongly influences the manner in which QDs self-assemble into regular arrays.
©2005 American Institute of Physics
| History: | Received 18 July 2005; accepted 22 August 2005; published 19 September 2005 |
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http://link.aip.org/link/?APPLAB/87/133102/1 |
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