A Novel Sb2Te3 Polymorph Stable at the Nanoscale

Enzo Rotunno; Massimo Longo; Claudia Wiemer; Roberto Fallica; Davide Campi; Marco Bernasconi; Andrew R. Lupini; Stephen J. Pennycook; Laura Lazzarini

doi:10.1021/acs.chemmater.5b00982

A Novel Sb₂Te₃ Polymorph Stable at the Nanoscale

Enzo Rotunno
, Massimo Longo
, Claudia Wiemer
, Roberto Fallica
, Davide Campi
, Marco Bernasconi
, Andrew R. Lupini
, Stephen J. Pennycook
, Laura Lazzarini

electron Microscopy and Microanalysis

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

13 Scopus citations

Abstract

We report on the MOCVD synthesis of Sb₂Te₃ nanowires that self-assemble in a novel metastable polymorph. The nanowires crystallize in a primitive trigonal lattice (P3m1 SG #164) with lattice parameters a = b = 0.422 nm, and c = 1.06 nm. The stability of the polymorph has been studied by first principle calculations: it has been demonstrated that the stabilization is due to the particular side-wall faceting, finding excellent agreement with the experimental observations.

Original language	English
Pages (from-to)	4368-4373
Number of pages	6
Journal	Chemistry of Materials
Volume	27
Issue number	12
DOIs	https://doi.org/10.1021/acs.chemmater.5b00982
State	Published - Jun 23 2015

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10.1021/acs.chemmater.5b00982

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title = "A Novel Sb2Te3 Polymorph Stable at the Nanoscale",

abstract = "We report on the MOCVD synthesis of Sb2Te3 nanowires that self-assemble in a novel metastable polymorph. The nanowires crystallize in a primitive trigonal lattice (P3m1 SG \#164) with lattice parameters a = b = 0.422 nm, and c = 1.06 nm. The stability of the polymorph has been studied by first principle calculations: it has been demonstrated that the stabilization is due to the particular side-wall faceting, finding excellent agreement with the experimental observations.",

author = "Enzo Rotunno and Massimo Longo and Claudia Wiemer and Roberto Fallica and Davide Campi and Marco Bernasconi and Lupini, \{Andrew R.\} and Pennycook, \{Stephen J.\} and Laura Lazzarini",

note = "Publisher Copyright: {\textcopyright} 2015 American Chemical Society.",

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doi = "10.1021/acs.chemmater.5b00982",

language = "English",

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T1 - A Novel Sb2Te3 Polymorph Stable at the Nanoscale

AU - Rotunno, Enzo

AU - Longo, Massimo

AU - Wiemer, Claudia

AU - Fallica, Roberto

AU - Campi, Davide

AU - Bernasconi, Marco

AU - Lupini, Andrew R.

AU - Pennycook, Stephen J.

AU - Lazzarini, Laura

PY - 2015/6/23

Y1 - 2015/6/23

N2 - We report on the MOCVD synthesis of Sb2Te3 nanowires that self-assemble in a novel metastable polymorph. The nanowires crystallize in a primitive trigonal lattice (P3m1 SG #164) with lattice parameters a = b = 0.422 nm, and c = 1.06 nm. The stability of the polymorph has been studied by first principle calculations: it has been demonstrated that the stabilization is due to the particular side-wall faceting, finding excellent agreement with the experimental observations.

AB - We report on the MOCVD synthesis of Sb2Te3 nanowires that self-assemble in a novel metastable polymorph. The nanowires crystallize in a primitive trigonal lattice (P3m1 SG #164) with lattice parameters a = b = 0.422 nm, and c = 1.06 nm. The stability of the polymorph has been studied by first principle calculations: it has been demonstrated that the stabilization is due to the particular side-wall faceting, finding excellent agreement with the experimental observations.

UR - https://www.scopus.com/pages/publications/84935026492

U2 - 10.1021/acs.chemmater.5b00982

DO - 10.1021/acs.chemmater.5b00982

M3 - Article

AN - SCOPUS:84935026492

SN - 0897-4756

VL - 27

SP - 4368

EP - 4373

JO - Chemistry of Materials

JF - Chemistry of Materials

IS - 12

ER -

A Novel Sb₂Te₃ Polymorph Stable at the Nanoscale

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