Thermal stability and surface passivation of Ge nanowires coated by epitaxial SiGe shells

Nano Letters
Shu HuPaul C McIntyre

Abstract

Epitaxial growth of a highly strained, coherent SiGe alloy shell around a Ge nanowire core is investigated as a method to achieve surface passivation and carrier confinement, important in realizing nanowire devices. The high photoluminescence intensity observed from the core-shell nanowires with spectral features similar to that of bulk Ge indicates effective surface passivation. Thermal stability of these core-shell heterostructures has been systematically investigated, with a method demonstrated to avoid misfit strain relaxation during postgrowth annealing.

References

Nov 8, 2002·Nature·Lincoln J LauhonCharles M Lieber
Jul 12, 2005·Proceedings of the National Academy of Sciences of the United States of America·Wei LuCharles M Lieber
Feb 9, 2006·Nano Letters·Hemant AdhikariPaul C McIntyre
Mar 1, 2007·Nano Letters·Gengchiau LiangMark Lundstrom
Oct 29, 2008·Nano Letters·Irene A GoldthorpePaul C McIntyre
Jul 7, 2009·Nature Materials·Linyou CaoMark L Brongersma
Mar 17, 2010·Nano Letters·Linyou CaoMark L Brongersma

❮ Previous
Next ❯

Citations

Oct 26, 2012·Journal of the American Chemical Society·Yi-Hsin LiuWilliam E Buhro
Feb 21, 2013·Nature Communications·Giacomo MarianiDiana L Huffaker
Mar 13, 2014·ACS Applied Materials & Interfaces·Jae-Hyun LeeDongmok Whang
Jul 4, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Zhipeng QiDonguk Nam
Oct 7, 2015·Nanoscale Research Letters·Xin YanXiaomin Ren
Oct 22, 2013·Nanotechnology·K B KahenM Holland
Mar 20, 2014·Chemical Communications : Chem Comm·Xiaojia ZhengCan Li

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.