Raman Spectroscopy of Shear Modes in a Few-Layer MoS₂

• Authors: K. Gołasa , M. Grzeszczyk , M. Zinkiewicz , K. Nogajewski , M. Potemski , A. Wysmołek , A. Babiński
• Languages of publication: EN

Abstracts

EN

We study low frequency vibrational modes in atomically thin molybdenum disulfide (MoS₂) by means of the Raman scattering spectroscopy. A shear mode related to rigid interlayer vibrations is identified. Its energy evolution with the increasing number of layers is well described using a linear chain model with only nearest neighbor interactions. The resulting force constant (Kₓ = 2.7 × 10¹⁹ N/m³) corresponds well to the previously published data.

Keywords

EN

78.20.-e; 87.64.Je; 63.20.Kr

Discipline

• 78.20.-e: Optical properties of bulk materials and thin films(for optical properties related to materials treatment, see 81.40.Tv; for optical materials, see 42.70-a; for optical properties of superconductors, see 74.25.Gz; for optical properties of rocks and minerals, see 91.60.Mk; for optical properties of specific thin films, see 78.66.-w)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 129
• Issue: 1a
• Pages: A-132-A-134

Dates

published

2016-01

Contributors

author

K. Gołasa

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warszawa, Poland

author

M. Grzeszczyk

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warszawa, Poland

author

M. Zinkiewicz

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warszawa, Poland

author

K. Nogajewski

• Laboratoire National des Champs Magnetiques Intenses, CNRS-UJF-UPS-INSA, 25, av. des Martyrs, 38042 Grenoble, France

author

M. Potemski

• Laboratoire National des Champs Magnetiques Intenses, CNRS-UJF-UPS-INSA, 25, av. des Martyrs, 38042 Grenoble, France

author

A. Wysmołek

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warszawa, Poland

author

A. Babiński

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warszawa, Poland

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Identifiers

DOI

10.12693/APhysPolA.129.A-132