New route for stabilization of 1T-WS 2 and MoS 2 phases

Andrey N. Enyashin; Lena Yadgarov; Lothar Houben; Igor Popov; Marc Weidenbach; Reshef Tenne; Maya Bar-Sadan; Gotthard Seifert

doi:10.1021/jp2076325

New route for stabilization of 1T-WS ₂ and MoS ₂ phases

Andrey N. Enyashin, Lena Yadgarov, Lothar Houben, Igor Popov, Marc Weidenbach, Reshef Tenne, Maya Bar-Sadan, Gotthard Seifert

Research output: Contribution to journal › Article › peer-review

445 Scopus citations

Abstract

The phenomenon of a partial 2H→1T phase transition within multiwalled WS ₂ nanotubes under substitutional rhenium doping is discovered by means of high-resolution transmission electron microscopy. Using density-functional tight-binding calculations for the related MoS ₂ compound, we consider a possible origin of this phase transition, which was known formerly only for WS ₂ and MoS ₂ intercalated by alkali metals. An interplay between the stability of layered or nanotubular forms of 2H and 1T allotropes is found to be intimately related with their electronic structures and electro-donating ability of an impurity.

Original language	English
Pages (from-to)	24586-24591
Number of pages	6
Journal	Journal of Physical Chemistry C
Volume	115
Issue number	50
DOIs	https://doi.org/10.1021/jp2076325
State	Published - 22 Dec 2011
Externally published	Yes

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10.1021/jp2076325

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abstract = "The phenomenon of a partial 2H→1T phase transition within multiwalled WS 2 nanotubes under substitutional rhenium doping is discovered by means of high-resolution transmission electron microscopy. Using density-functional tight-binding calculations for the related MoS 2 compound, we consider a possible origin of this phase transition, which was known formerly only for WS 2 and MoS 2 intercalated by alkali metals. An interplay between the stability of layered or nanotubular forms of 2H and 1T allotropes is found to be intimately related with their electronic structures and electro-donating ability of an impurity.",

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AU - Enyashin, Andrey N.

AU - Yadgarov, Lena

AU - Houben, Lothar

AU - Popov, Igor

AU - Weidenbach, Marc

AU - Tenne, Reshef

AU - Bar-Sadan, Maya

AU - Seifert, Gotthard

PY - 2011/12/22

Y1 - 2011/12/22

N2 - The phenomenon of a partial 2H→1T phase transition within multiwalled WS 2 nanotubes under substitutional rhenium doping is discovered by means of high-resolution transmission electron microscopy. Using density-functional tight-binding calculations for the related MoS 2 compound, we consider a possible origin of this phase transition, which was known formerly only for WS 2 and MoS 2 intercalated by alkali metals. An interplay between the stability of layered or nanotubular forms of 2H and 1T allotropes is found to be intimately related with their electronic structures and electro-donating ability of an impurity.

AB - The phenomenon of a partial 2H→1T phase transition within multiwalled WS 2 nanotubes under substitutional rhenium doping is discovered by means of high-resolution transmission electron microscopy. Using density-functional tight-binding calculations for the related MoS 2 compound, we consider a possible origin of this phase transition, which was known formerly only for WS 2 and MoS 2 intercalated by alkali metals. An interplay between the stability of layered or nanotubular forms of 2H and 1T allotropes is found to be intimately related with their electronic structures and electro-donating ability of an impurity.

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JO - Journal of Physical Chemistry C

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IS - 50

ER -

New route for stabilization of 1T-WS ₂ and MoS ₂ phases

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