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Condens. Matter 2017, 2(1), 11; doi:10.3390/condmat2010011

Unraveling the Peculiarities in the Temperature-Dependent Structural Evolution of Black Phosphorus

1
Elettra-Sincrotrone Trieste, Area Science Park, 34149 Basovizza, Italy
2
Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 2, 00185 Rome, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Augusto Marcelli and Antonio Bianconi
Received: 9 January 2017 / Revised: 10 February 2017 / Accepted: 16 February 2017 / Published: 20 February 2017
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Abstract

Black phosphorous (BP) is one of the important emerging two-dimensional systems. We have undertaken a structural investigation of BP in the temperature range of 320 K to 85 K using synchrotron X-ray diffraction (XRD) studies. The XRD pattern of BP is heavily influenced by the preferred orientation effects. Collection of the diffraction pattern in a standard capillary geometry with controlled capillary rotations perpendicular to the X-ray direction permitted us to provide insights to the effects of the preferred orientation. In the range of 320 K to 85 K, BP remains in the so-called “A17” orthorhombic structure. Lattice parameters show a regular shrinkage with the lowering of the temperature as expected for any elemental metallic system. Dense temperature sampling permitted us to observe a small but clear deviation from the linear behavior in of one of the in-plane lattice parameters. This temperature-dependent structural evolution seems to provide some insights into the temperature dependence of the macroscopic properties of BP such as the Hall coefficient, thermal conductivity, etc. View Full-Text
Keywords: two-dimensional systems; black phosphorus; x-ray powder diffraction; transport properties two-dimensional systems; black phosphorus; x-ray powder diffraction; transport properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Joseph, B.; Demitri, N.; Lotti, P.; Lausi, A.; Dore, P. Unraveling the Peculiarities in the Temperature-Dependent Structural Evolution of Black Phosphorus. Condens. Matter 2017, 2, 11.

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