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Title: Pressure induced metallization with absence of structural transition in layered molybdenum diselenide

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms8312· OSTI ID:1188813
 [1];  [2];  [3];  [4];  [1];  [5];  [1];  [6];  [7];  [7];  [3];  [3];  [3]
  1. Stanford Univ., Stanford, CA (United States)
  2. Stanford Univ., Stanford, CA (United States); Nanjing Univ., Nanjing (China)
  3. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  5. Carnegie Inst. of Washington, Argonne, IL (United States); Center for High Pressure Science and Technology Advanced Research, Shanghai (China)
  6. Carnegie Inst. of Washington, Argonne, IL (United States)
  7. Sardar Patel University, Gujarat (India)

Layered transition-metal dichalcogenides have emerged as exciting material systems with atomically thin geometries and unique electronic properties. Pressure is a powerful tool for continuously tuning their crystal and electronic structures away from the pristine states. We systematically investigated the pressurized behavior of MoSe2 up to ~60 GPa using multiple experimental techniques and ab-initio calculations. MoSe2 evolves from an anisotropic two-dimensional layered network to a three-dimensional structure without a structural transition, which is a complete contrast to MoS2. Thus, the role of the chalcogenide anions in stabilizing different layered patterns is underscored by our layer sliding calculations. MoSe2 possesses highly tunable transport properties under pressure, determined by the gradual narrowing of its band-gap followed by metallization. The continuous tuning of its electronic structure and band-gap in the range of visible light to infrared suggest possible energy variable optoelectronics applications in pressurized transition-metal dichalcogenides.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Stanford Univ., CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC02-06CH11357; AC02-76SF00515; NA0001974; FG02-99ER45775; AC02-98CH10886
OSTI ID:
1188813
Alternate ID(s):
OSTI ID: 1214795; OSTI ID: 1221893
Journal Information:
Nature Communications, Vol. 6, Issue 8; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 155 works
Citation information provided by
Web of Science

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Cited By (35)

Strain Relaxation of Monolayer WS 2 on Plastic Substrate journal October 2016
Modulation of Metal and Insulator States in 2D Ferromagnetic VS 2 by van der Waals Interaction Engineering journal June 2017
Thickness-Dependent Structural Stability and Anisotropy of Black Phosphorus journal January 2019
Molybdenum Selenide Electrocatalysts for Electrochemical Hydrogen Evolution Reaction journal June 2019
Hidden orbital polarization in diamond, silicon, germanium, gallium arsenide and layered materials journal May 2017
Pressure-induced metallization and superconducting phase in ReS 2 journal March 2017
Switching 2D magnetic states via pressure tuning of layer stacking journal October 2019
Pressure dependence of direct optical transitions in ReS2 and ReSe2 journal May 2019
Stacking orders induced direct band gap in bilayer MoSe2-WSe2 lateral heterostructures journal August 2016
Thermal conductivity of monolayer MoS 2 , MoSe 2 , and WS 2 : interplay of mass effect, interatomic bonding and anharmonicity journal January 2016
Phase evolution of lithium intercalation dynamics in 2H-MoS 2 journal January 2017
A vacancy-driven phase transition in MoX 2 (X: S, Se and Te) nanoscrolls journal January 2018
Effect of Y doping on high-pressure behavior of Ag 2 S nanocrystals journal January 2017
Spin polarization and spin channel reversal in graphitic carbon nitrides on top of an α-Fe 2 O 3 (0001) surface journal January 2018
Pressure-induced metallization in MoSe 2 under different pressure conditions journal January 2019
Giant enhancements in electronic transport and photoelectric properties of bismuth oxysulfide by pressure-driven 2D–3D structural reconstruction journal January 2019
Magnetic proximity effect induced spin-dependent electronic structure in two-dimensional SnO by half-metallic monolayer CrN ferromagnet journal January 2019
Tunable valley splitting and an anomalous valley Hall effect in hole-doped WS 2 by proximity coupling with a ferromagnetic MnO 2 monolayer journal January 2019
Recent progress of TMD nanomaterials: phase transitions and applications journal January 2020
Tunable Schottky barrier in van der Waals heterostructures of graphene and g-GaN journal April 2017
Synthesis and Raman spectroscopy of a layered SiS 2 phase at high pressures journal January 2018
Deviatoric stresses promoted metallization in rhenium disulfide journal March 2018
Structural, vibrational and electrical properties of type-II Dirac semimetal PtSe 2 under high pressure journal July 2019
Large Valley Splitting in van der Waals Heterostructures with Type-III Band Alignment journal January 2020
Realization of larger band gap opening of graphene and type-I band alignment with BN intercalation layer in graphene/ M X 2 heterojunctions journal September 2019
First-principles study of the thermodynamic and vibrational properties of ReS 2 under pressure journal December 2019
Large valley splitting in monolayer WS 2 by proximity coupling to an insulating antiferromagnetic substrate journal January 2018
Structural, vibrational, and electrical properties of 1 T TiT e 2 under hydrostatic pressure: Experiments and theory journal February 2018
Pressure induced band inversion, electronic and structural phase transitions in InTe: A combined experimental and theoretical study journal April 2018
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Pressure dependence of direct optical transitions in ReS2 and ReSe2 text January 2018
Significant improvement in Mn2O3 transition metal oxide electrical conductivity via high pressure journal March 2017

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