Publication

Epitaxial (001) Ge on Crystalline Oxide Grown on (001) Si

Jin Won Seo
2008
Conference Papers

Abstract

Fully epitaxial germanium-on-insulator structures have been grown for the first time on (001) Si substrates by using a perovskite oxide template. Detailed transmission electron microscopy analysis revealed that a two-temperature growth procedure is required in order to avoid three-dimensional island growth and to obtain Continuous and flat Ge films. The interface between the oxide and Ge is fully crystalline and atomically sharp. A high density of stacking faults and twin structures has been found preferentially originating from the surface toughness of the oxide.

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https://infoscience.epfl.ch/entities/publication/8b367819-0e8e-4889-b21c-db266a3a48d5

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Jin Won Seo
2008
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/8b367819-0e8e-4889-b21c-db266a3a48d5

About this result

Related concepts (32)

Crystalline silicon

Crystalline silicon or (c-Si) Is the crystalline forms of silicon, either polycrystalline silicon (poly-Si, consisting of small crystals), or monocrystalline silicon (mono-Si, a continuous crystal). Crystalline silicon is the dominant semiconducting material used in photovoltaic technology for the production of solar cells. These cells are assembled into solar panels as part of a photovoltaic system to generate solar power from sunlight. In electronics, crystalline silicon is typically the monocrystalline form of silicon, and is used for producing microchips.

Epitaxy

Epitaxy (prefix epi- means "on top of”) refers to a type of crystal growth or material deposition in which new crystalline layers are formed with one or more well-defined orientations with respect to the crystalline seed layer. The deposited crystalline film is called an epitaxial film or epitaxial layer. The relative orientation(s) of the epitaxial layer to the seed layer is defined in terms of the orientation of the crystal lattice of each material.

Silicon dioxide

Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , most commonly found in nature as quartz. In many parts of the world, silica is the major constituent of sand. Silica is one of the most complex and most abundant families of materials, existing as a compound of several minerals and as a synthetic product. Notable examples include fused quartz, fumed silica, silica gel, opal and aerogels. It is used in structural materials, microelectronics (as an electrical insulator), and as components in the food and pharmaceutical industries.

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Epitaxial (001) Ge on Crystalline Oxide Grown on (001) Si

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