Metamorphic materials for quantum computing

Peter W. Deelman

doi:10.1557/mrs.2016.28

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Metamorphic materials for quantum computing

2016-03-14

PRE

Peter W. Deelman

L. F. Edge

Clayton Jackson *

DOI：10.1557/mrs.2016.28

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Abstract

En 中文

Quantum information and computing are at the forefront of computer science, but their implementation relies on significant developments in materials science. In particular, suitable, lattice-matched substrates for two promising approaches-electrostatically defined quantum dots in Si/SiGe heterostructures, and superconducting circuits containing Josephson junctions-do not exist. Instead, these approaches rely on metamorphic substrates. In this article, we focus on the general structure and requirements of SiGe quantum dot heterostructures, the demands they impose on the underlying substrate, and the impact that properties of the metamorphic substrate have on device performance. Superconductor Josephson junction materials are briefly discussed in a similar fashion, and opportunities for future developments in both systems are described.

Keywords:

STRAIN RELAXATION

SINGLE-CRYSTALS

GROWTH

ROUGHNESS

PHYSICS

Journal

MRS Bulletin

IF:

4.9

Papers:

5.3K

Citations:

9.5K

Organization

HRL Laboratories

Scholars:

Papers: 6

Citations: 0

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