Patent ID: 8293628
Filing Date: 2012-10-23
Classification: B82Y,H01L

Abstract:
1. A process of forming a quantum well structure which comprises a base-layer, a well-layer which comprises a group-III element, a group-V element and nitrogen, and a cap-layer, the process comprising: epitaxially growing the base-layer on a substrate; epitaxially growing the well-layer on the base-layer; and epitaxially growing the cap-layer on the well-layer, thereby forming the quantum well structure, wherein said epitaxially growing the well-layer comprises: exposing the base-layer to a precursor of a group-III element, to thereby form on the base-layer a first atomic layer which comprises the group-III element deposited thereon; terminating said exposing to said precursor of a group-III element; exposing the base-layer having said first atomic layer to a precursor of nitrogen, to thereby form the base-layer having said first atomic layer deposited thereon and said nitrogen absorbed onto said first atomic later; terminating said exposing to said precursor of nitrogen; exposing the base-layer to a precursor of a group-III element, to thereby form on the base-layer a second atomic layer which comprises the group-III element; terminating said exposing to said precursor of the group-III element; and exposing the base-layer having said first atomic layer, said nitrogen and said second atomic layer deposited thereon, to a precursor of a group-V element, to thereby form the well-layer.