Torsional instability in the single-chain limit of a transition metal trichalcogenide

Science
Thang PhamAlex Zettl

Abstract

The scientific bounty resulting from the successful isolation of few to single layers of two-dimensional materials suggests that related new physics resides in the few- to single-chain limit of one-dimensional materials. We report the synthesis of the quasi-one-dimensional transition metal trichalcogenide NbSe3 (niobium triselenide) in the few-chain limit, including the realization of isolated single chains. The chains are encapsulated in protective boron nitride or carbon nanotube sheaths to prevent oxidation and to facilitate characterization. Transmission electron microscopy reveals static and dynamic structural torsional waves not found in bulk NbSe3 crystals. Electronic structure calculations indicate that charge transfer drives the torsional wave instability. Very little covalent bonding is found between the chains and the nanotube sheath, leading to relatively unhindered longitudinal and torsional dynamics for the encapsulated chains.

References

Jan 15, 1991·Physical Review. B, Condensed Matter·N Troullier, J L Martins
Mar 11, 1991·Physical Review Letters·Z DaiR V Coleman
Oct 28, 1996·Physical Review Letters·J P PerdewM Ernzerhof
Apr 19, 2003·Science·W MickelsonA Zettl
Oct 23, 2004·Science·K S NovoselovA A Firsov
Nov 5, 2004·Physical Review Letters·E SlotS V Zaitsev-Zotov
Jul 20, 2005·Proceedings of the National Academy of Sciences of the United States of America·K S NovoselovA K Geim
Jan 15, 2011·Physical Review Letters·Kin Fai MakTony F Heinz
Aug 26, 2014·Micron : the International Research and Review Journal for Microscopy·C KisielowskiR Cieslinski
Mar 11, 2015·Micron : the International Research and Review Journal for Microscopy·Ovidiu CretuKazutomo Suenaga
Jul 2, 2015·Advanced Materials·Christian Kisielowski
May 27, 2017·Nano Letters·Hannu-Pekka KomsaArkady V Krasheninnikov

❮ Previous
Next ❯

Citations

Nov 20, 2019·Physical Chemistry Chemical Physics : PCCP·Yi-Fan BuQing Jiang
Jun 6, 2020·Physical Review Letters·Thang PhamAlex Zettl
Dec 2, 2020·Journal of the American Chemical Society·Scott StonemeyerAlex Zettl
Apr 6, 2021·Nano Letters·Jeffrey D CainAlex Zettl
Sep 5, 2019·Journal of the American Chemical Society·Jun-Jie ZhangBoris I Yakobson
Feb 26, 2019·Nano Letters·Masataka NagataHisanori Shinohara
Sep 13, 2019·Nano Letters·Hee Joon JungVinayak P Dravid
Oct 6, 2021·Advanced Materials·Yung-Chang LinKazu Suenaga

❮ 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.