Emergence of coherence in the charge-density wave state of 2H-NbSe2

Chatterjee, U.; Zhao, J.; Iavarone, M.; Di Capua, R.; Castellan, J. P.; Karapetrov, G.; Malliakas, C. D.; Kanatzidis, M. G.; Claus, H.; Ruff, J. P.  C.; Weber, F.; van Wezel, J.; Campuzano, J. C.; Osborn, R.; Randeria, M.; Trivedi, N.; Norman, M. R.; Rosenkranz, S.

doi:10.1038/ncomms7313

Title: Emergence of coherence in the charge-density wave state of 2H-NbSe₂

Abstract

A charge density wave (CDW) state has a broken symmetry described by a complex order parameter with an amplitude and a phase. The conventional view, based on clean, weak-coupling systems, is that a finite amplitude and long-range phase coherence set in simultaneously at the CDW transition temperature Tcdw. Here we investigate, using photoemission, X-ray scattering and scanning tunneling microscopy, the canonical CDW compound 2H-NbSe2 intercalated with Mn and Co and show that the conventional view is untenable. We find that, either at high temperature or at large intercalation, CDW order becomes short- range with a well-defined amplitude that impacts the electronic dispersion, giving rise to an energy gap. The phase transition at Tcdw marks the onset of long-range order with global phase coherence leading to sharp electronic excitations. Our observations emphasize the importance of phase fluctuations in strongly coupled CDW systems and provide insights into the significance of phase incoherence in ‘pseudogap’ states.

Authors:

Chatterjee, U. ^[1]; Zhao, J. ^[2]; Iavarone, M. ^[3]; Di Capua, R. ^[3]; Castellan, J. P. ^[4]; Karapetrov, G. ^[5]; Malliakas, C. D. ^[6]; Kanatzidis, M. G. ^[6]; Claus, H. ^[7]; Ruff, J. P. C. ^[8]; Weber, F. ^[4];

^[9]; Campuzano, J. C. ^[10];

^[7]; Randeria, M. ^[11]; Trivedi, N. ^[11]; Norman, M. R. ^[7];

^[7]

Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Virginia, Charlottesville, VA (United States)
Univ. of Virginia, Charlottesville, VA (United States); Univ. of Illinois, Chicago, IL (United States)
Temple Univ., Philadelphia, PA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Karlsruhe Inst. of Technology (Germany)
Drexel Univ., Philadelphia, PA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Cornell Univ., Ithaca, NY (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Amsterdam (Netherlands)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois, Chicago, IL (United Sates)
The Ohio State Univ., Columbus, OH (United States)

Publication Date:: Tue Feb 17 00:00:00 EST 2015

Research Org.:: Temple Univ., Philadelphia, PA (United States); The Ohio State Univ., Columbus, OH (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Center for the Computational Design of Functional Layered Materials (CCDM); Energy Frontier Research Centers (EFRC) (United States). Center for Complex Materials from First Principles (CCM); Univ. of Texas, Austin, TX (United States); Argonne National Laboratory (ANL), Argonne, IL (United States

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); Netherlands Organization for Scientific Research (NWO) (Netherlands)

OSTI Identifier:: 1219582

Alternate Identifier(s):: OSTI ID: 1210744; OSTI ID: 1356631

Grant/Contract Number:: SC0012575; SC0005035; FG02-07ER46423; AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Nature Communications

Additional Journal Information:: Journal Volume: 6; Journal ID: ISSN 2041-1723

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; catalysis (heterogeneous); solar (photovoltaic); energy storage (including batteries and capacitors); hydrogen and fuel cells; defects; mechanical behavior; materials and chemistry by design; synthesis (novel materials)

Citation Formats


                    Chatterjee, U., Zhao, J., Iavarone, M., Di Capua, R., Castellan, J. P., Karapetrov, G., Malliakas, C. D., Kanatzidis, M. G., Claus, H., Ruff, J. P.  C., Weber, F., van Wezel, J., Campuzano, J. C., Osborn, R., Randeria, M., Trivedi, N., Norman, M. R., and Rosenkranz, S. Emergence of coherence in the charge-density wave state of 2H-NbSe2.  United States: N. p., 2015. 
Web.  doi:10.1038/ncomms7313.

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                    Chatterjee, U., Zhao, J., Iavarone, M., Di Capua, R., Castellan, J. P., Karapetrov, G., Malliakas, C. D., Kanatzidis, M. G., Claus, H., Ruff, J. P.  C., Weber, F., van Wezel, J., Campuzano, J. C., Osborn, R., Randeria, M., Trivedi, N., Norman, M. R., & Rosenkranz, S. Emergence of coherence in the charge-density wave state of 2H-NbSe2.  United States.  https://doi.org/10.1038/ncomms7313

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                    Chatterjee, U., Zhao, J., Iavarone, M., Di Capua, R., Castellan, J. P., Karapetrov, G., Malliakas, C. D., Kanatzidis, M. G., Claus, H., Ruff, J. P.  C., Weber, F., van Wezel, J., Campuzano, J. C., Osborn, R., Randeria, M., Trivedi, N., Norman, M. R., and Rosenkranz, S. Tue .  
"Emergence of coherence in the charge-density wave state of 2H-NbSe2".  United States.  https://doi.org/10.1038/ncomms7313.  https://www.osti.gov/servlets/purl/1219582.

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@article{osti_1219582,

  title        = {Emergence of coherence in the charge-density wave state of 2H-NbSe2},

  author       = {Chatterjee, U. and Zhao, J. and Iavarone, M. and Di Capua, R. and Castellan, J. P. and Karapetrov, G. and Malliakas, C. D. and Kanatzidis, M. G. and Claus, H. and Ruff, J. P.  C. and Weber, F. and van Wezel, J. and Campuzano, J. C. and Osborn, R. and Randeria, M. and Trivedi, N. and Norman, M. R. and Rosenkranz, S.},

  abstractNote = {A charge density wave (CDW) state has a broken symmetry described by a complex order parameter with an amplitude and a phase. The conventional view, based on clean, weak-coupling systems, is that a finite amplitude and long-range phase coherence set in simultaneously at the CDW transition temperature Tcdw. Here we investigate, using photoemission, X-ray scattering and scanning tunneling microscopy, the canonical CDW compound 2H-NbSe2 intercalated with Mn and Co and show that the conventional view is untenable. We find that, either at high temperature or at large intercalation, CDW order becomes short- range with a well-defined amplitude that impacts the electronic dispersion, giving rise to an energy gap. The phase transition at Tcdw marks the onset of long-range order with global phase coherence leading to sharp electronic excitations. Our observations emphasize the importance of phase fluctuations in strongly coupled CDW systems and provide insights into the significance of phase incoherence in ‘pseudogap’ states.},

  doi          = {10.1038/ncomms7313},

  journal      = {Nature Communications},

  number       = ,

  volume       = 6,

  place        = {United States},

  year         = {Tue Feb 17 00:00:00 EST 2015},

  month        = {Tue Feb 17 00:00:00 EST 2015}

}

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Leroux, Maxime; Mishra, Vivek; Ruff, Jacob P. C.
arXiv
DOI: 10.48550/arxiv.1808.05984

Distinction between pristine and disorder-perturbed charge density waves in ZrTe3
journal, January 2020

Yue, Li; Xue, Shangjie; Li, Jiarui
Nature Communications, Vol. 11, Issue 1
DOI: 10.1038/s41467-019-13813-y

Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2
text, January 2017

Cho, Kyuil; Konczykowski, M.; Teknowijoyo, S.
arXiv
DOI: 10.48550/arxiv.1710.04297

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Emergence of coherence in the charge-density wave state of 2H-NbSe2

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A charge-density wave (CDW) state has a broken symmetry described by a complex order parameter with an amplitude and a phase. The conventional view, based on clean, weak-coupling systems, is that a finite amplitude and long-range phase coherence set in simultaneously at the CDW transition temperature T-cdw. Here we investigate, using photoemission, X-ray scattering and scanning tunnelling microscopy, the canonical CDW compound 2H-NbSe2 intercalated with Mn and Co, and show that the conventional view is untenable. We find that, either at high temperature or at large intercalation, CDW order becomes short-ranged with a well-defined amplitude, which has impacts on themore »« less
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Similar Records

Title: Emergence of coherence in the charge-density wave state of 2H-NbSe2

Abstract

Citation Formats

Importance of phase fluctuations in superconductors with small superfluid density journal, March 1995

Microscopic model of charge-density waves in 2 H − Ta Se 2 journal, July 1977

Strong-Coupling Theory of Charge-Density-Wave Transitions journal, July 1983

On the origin of charge-density waves in select layered transition-metal dichalcogenides journal, May 2011

Preformed Excitonic Liquid Route to a Charge Density Wave in 2 H − TaSe 2 journal, June 2011

Electronic structure of two-dimensional hexagonal diselenides: Charge density waves and pseudogap behavior journal, April 2012

Single- and two-particle energy gaps across the disorder-driven superconductor–insulator transition journal, July 2011

Spectroscopic evidence for a pseudogap in the normal state of underdoped high-Tc superconductors journal, July 1996

Excitation Gap in the Normal State of Underdoped Bi2Sr2CaCu2O8+delta journal, July 1996

Vortex-like excitations and the onset of superconducting phase fluctuation in underdoped La2-xSrxCuO4 journal, August 2000

Localization of preformed Cooper pairs in disordered superconductors journal, January 2011

Observation of a pairing pseudogap in a two-dimensional Fermi gas journal, November 2011

Quasiparticle Spectra, Charge-Density Waves, Superconductivity, and Electron-Phonon Coupling in 2 H − N b S e 2 journal, February 2004

Extended Phonon Collapse and the Origin of the Charge-Density Wave in 2 H − NbSe 2 journal, September 2011

Study of Superlattice Formation in 2 H -Nb Se 2 and 2 H -Ta Se 2 by Neutron Scattering journal, March 1975

Nb–Nb Interactions Define the Charge Density Wave Structure of 2H-NbSe 2 journal, January 2013

Charge-density waves and localization in electron-irradiated 1 T − T a S 2 journal, May 1981

Effect of Te doping on superconductivity and charge-density wave in dichalcogenides 2H-NbSe 2- x Te x ( x = 0, 0.1, 0.2) journal, August 2007

Superconductivity in irradiated charge-density-wave compounds 2 H − Nb Se 2 , 2 H − Ta S 2 , and 2 H − Ta Se 2 journal, September 1983

Two Energy Gaps and Fermi-Surface “Arcs” in NbSe 2 journal, April 2009

Gaps and kinks in the electronic structure of the superconductor 2 H -NbSe 2 from angle-resolved photoemission at 1 K journal, June 2012

Quantum phase transition from triangular to stripe charge order in NbSe2 journal, January 2013

Charge-density-wave mechanism in the 2 H − NbSe 2 family: Angle-resolved photoemission studies journal, May 2001

Charge-Density-Wave Mechanism in 2 H − NbSe 2 : Photoemission Results journal, May 1999

Primary Role of the Barely Occupied States in the Charge Density Wave Formation of NbSe 2 journal, November 2008

BCS-Like Bogoliubov Quasiparticles in High- T c Superconductors Observed by Angle-Resolved Photoemission Spectroscopy journal, May 2003

Direct observation of particle-hole mixing in the superconducting state by angle-resolved photoemission journal, June 1996

Particle–hole symmetry breaking in the pseudogap state of Bi2201 journal, April 2010

Evidence for Pairing above the Transition Temperature of Cuprate Superconductors from the Electronic Dispersion in the Pseudogap Phase journal, September 2008

Theory of discommensurations and the commensurate-incommensurate charge-density-wave phase transition journal, August 1976

Charge-density waves observed at 4.2 K by scanning-tunneling microscopy journal, February 1988

Spatial and energy variation of the local density of states in the charge density wave phase of 2H–NbSe2 journal, March 1996

Visualizing the charge density wave transition in 2 H - NbSe 2 in real space journal, June 2014

Electronic state of NbSe2 investigated by STM/STS journal, May 2003

Electronic phase diagram of high-temperature copper oxide superconductors journal, May 2011

Localized Superconductivity in the Quantum-Critical Region of the Disorder-Driven Superconductor-Insulator Transition in TiN Thin Films journal, December 2007

Growth of faceted niobium diselenide journal, March 1994

Extended X-ray Absorption Fine Structure spectroscopy in Co 0.013 NbSe 2 journal, January 2010

Effect of magnetic impurities on the vortex lattice properties in NbSe 2 single crystals journal, November 2008

Photoemission in the High-T c Superconductors book, January 2008

Particle-Hole Symmetry Breaking in the Pseudogap State of Bi2201 text, January 2009

Observation of a pairing pseudogap in a two-dimensional Fermi gas text, January 2011

Electronic phase diagram of high temperature copper oxide superconductors text, January 2013

BCS-like Bogoliubov Quasiparticles in High-Tc Superconductors Observed by Angle-Resolved Photoemission Spectroscopy text, January 2003

Nb–Nb Interactions Define the Charge Density Wave Structure of 2H-NbSe 2 journal, January 2013

Vortex-like excitations and the onset of superconducting phase fluctuation in underdoped La2-xSrxCuO4 journal, August 2000

Localization of preformed Cooper pairs in disordered superconductors journal, January 2011

Electronic phase diagram of high-temperature copper oxide superconductors journal, May 2011

On the origin of charge-density waves in select layered transition-metal dichalcogenides journal, May 2011

Weak pinning and hexatic order in a doped two-dimensional charge-density-wave system journal, June 1991

Excitation Gap in the Normal State of Underdoped Bi2Sr2CaCu2O8+delta journal, July 1996

Observation of a pairing pseudogap in a two-dimensional Fermi gas text, January 2011

A quantum phase transition from triangular to stripe charge order in NbSe$_{2}$ text, January 2012

2D Group IVB Transition Metal Dichalcogenides journal, August 2018

Edge-Epitaxial Growth of 2D NbS 2 -WS 2 Lateral Metal-Semiconductor Heterostructures journal, August 2018

Charge order from orbital-dependent coupling evidenced by NbSe2 journal, May 2015

Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2 journal, July 2018

Distinction between pristine and disorder-perturbed charge density waves in ZrTe3 journal, January 2020

Pressure-induced metallization and superconducting phase in ReS 2 journal, March 2017

Evidence for topological defects in a photoinduced phase transition journal, October 2018

Intimate link between charge density wave, pseudogap and superconducting energy scales in cuprates journal, April 2019

Enhancement of superconducting properties and flux pinning mechanism on Cr0.0005NbSe2 single crystal under Hydrostatic pressure journal, January 2019

Spectroscopic signature of moment-dependent electron–phonon coupling in 2H-TaS 2 journal, January 2017

High-temperature charge density wave correlations in La 1.875 Ba 0.125 CuO 4 without spin–charge locking journal, November 2017

Atomic-scale strain manipulation of a charge density wave journal, June 2018

Disorder raises the critical temperature of a cuprate superconductor journal, May 2019

Photoemission perspective on pseudogap, superconducting fluctuations, and charge order in cuprates: a review of recent progress journal, April 2018

Configurational electronic states in layered transition metal dichalcogenides journal, August 2019

First-principles study of the thermodynamic and vibrational properties of ReS 2 under pressure journal, December 2019

Unveiling hidden charge density waves in single-layer NbSe 2 by impurities journal, November 2018

Pseudogaps and Emergence of Coherence in Two-Dimensional Electron Liquids in SrTiO 3 journal, July 2016

Local Real-Space View of the Achiral 1 T − TiSe 2 2 × 2 × 2 Charge Density Wave journal, March 2018

Dielectric Properties of NbxW1-xSe2 Alloys journal, January 2019

Incommensurate Phonon Anomaly and the Nature of Charge Density Waves in Cuprates text, January 2018

Charge Order from Orbital-dependent Coupling Evidenced by NbSe$_2$ text, January 2015

Disorder raises the critical temperature of a cuprate superconductor text, January 2018

Distinction between pristine and disorder-perturbed charge density waves in ZrTe3 journal, January 2020

Title: Emergence of coherence in the charge-density wave state of 2H-NbSe₂

Importance of phase fluctuations in superconductors with small superfluid density
journal, March 1995

Microscopic model of charge-density waves in $2 H - Ta {Se}_{2}$
journal, July 1977

Strong-Coupling Theory of Charge-Density-Wave Transitions
journal, July 1983

On the origin of charge-density waves in select layered transition-metal dichalcogenides
journal, May 2011

Preformed Excitonic Liquid Route to a Charge Density Wave in $2 H − {TaSe}_{2}$
journal, June 2011

Electronic structure of two-dimensional hexagonal diselenides: Charge density waves and pseudogap behavior
journal, April 2012

Single- and two-particle energy gaps across the disorder-driven superconductor–insulator transition
journal, July 2011

Spectroscopic evidence for a pseudogap in the normal state of underdoped high-Tc superconductors
journal, July 1996

Excitation Gap in the Normal State of Underdoped Bi2Sr2CaCu2O8+delta
journal, July 1996

Vortex-like excitations and the onset of superconducting phase fluctuation in underdoped La2-xSrxCuO4
journal, August 2000

Localization of preformed Cooper pairs in disordered superconductors
journal, January 2011

Observation of a pairing pseudogap in a two-dimensional Fermi gas
journal, November 2011

Quasiparticle Spectra, Charge-Density Waves, Superconductivity, and Electron-Phonon Coupling in $2 H − {N b S e}_{2}$
journal, February 2004

Extended Phonon Collapse and the Origin of the Charge-Density Wave in $2 H − {NbSe}_{2}$
journal, September 2011

Study of Superlattice Formation in $2 H$ -Nb ${Se}_{2}$ and $2 H$ -Ta ${Se}_{2}$ by Neutron Scattering
journal, March 1975

Nb–Nb Interactions Define the Charge Density Wave Structure of 2H-NbSe ₂
journal, January 2013

Charge-density waves and localization in electron-irradiated $1 T - T a S_{2}$
journal, May 1981

Effect of Te doping on superconductivity and charge-density wave in dichalcogenides 2H-NbSe _{2- x} Te _x ( x = 0, 0.1, 0.2)
journal, August 2007

Superconductivity in irradiated charge-density-wave compounds $2 H - Nb {Se}_{2}$ , $2 H - Ta S_{2}$ , and $2 H - Ta {Se}_{2}$
journal, September 1983

Two Energy Gaps and Fermi-Surface “Arcs” in ${NbSe}_{2}$
journal, April 2009

Gaps and kinks in the electronic structure of the superconductor $2 H$ -NbSe $_{2}$ from angle-resolved photoemission at 1 K
journal, June 2012

Quantum phase transition from triangular to stripe charge order in NbSe2
journal, January 2013

Charge-density-wave mechanism in the $2 H - {NbSe}_{2}$ family: Angle-resolved photoemission studies
journal, May 2001

Charge-Density-Wave Mechanism in $2 H - {NbSe}_{2}$ : Photoemission Results
journal, May 1999

Primary Role of the Barely Occupied States in the Charge Density Wave Formation of ${NbSe}_{2}$
journal, November 2008

BCS-Like Bogoliubov Quasiparticles in High- $T_{c}$ Superconductors Observed by Angle-Resolved Photoemission Spectroscopy
journal, May 2003

Direct observation of particle-hole mixing in the superconducting state by angle-resolved photoemission
journal, June 1996

Particle–hole symmetry breaking in the pseudogap state of Bi2201
journal, April 2010

Evidence for Pairing above the Transition Temperature of Cuprate Superconductors from the Electronic Dispersion in the Pseudogap Phase
journal, September 2008

Theory of discommensurations and the commensurate-incommensurate charge-density-wave phase transition
journal, August 1976

Charge-density waves observed at 4.2 K by scanning-tunneling microscopy
journal, February 1988

Spatial and energy variation of the local density of states in the charge density wave phase of 2H–NbSe2
journal, March 1996

Visualizing the charge density wave transition in $2 H$ - ${NbSe}_{2}$ in real space
journal, June 2014

Electronic state of NbSe2 investigated by STM/STS
journal, May 2003

Electronic phase diagram of high-temperature copper oxide superconductors
journal, May 2011

Localized Superconductivity in the Quantum-Critical Region of the Disorder-Driven Superconductor-Insulator Transition in TiN Thin Films
journal, December 2007

Growth of faceted niobium diselenide
journal, March 1994

Extended X-ray Absorption Fine Structure spectroscopy in Co _0.013 NbSe ₂
journal, January 2010

Effect of magnetic impurities on the vortex lattice properties in ${NbSe}_{2}$ single crystals
journal, November 2008

Photoemission in the High-T _c Superconductors
book, January 2008

Particle-Hole Symmetry Breaking in the Pseudogap State of Bi2201
text, January 2009

Observation of a pairing pseudogap in a two-dimensional Fermi gas
text, January 2011

Electronic phase diagram of high temperature copper oxide superconductors
text, January 2013

BCS-like Bogoliubov Quasiparticles in High-Tc Superconductors Observed by Angle-Resolved Photoemission Spectroscopy
text, January 2003

Nb–Nb Interactions Define the Charge Density Wave Structure of 2H-NbSe ₂
journal, January 2013

Vortex-like excitations and the onset of superconducting phase fluctuation in underdoped La2-xSrxCuO4
journal, August 2000

Localization of preformed Cooper pairs in disordered superconductors
journal, January 2011

Electronic phase diagram of high-temperature copper oxide superconductors
journal, May 2011

On the origin of charge-density waves in select layered transition-metal dichalcogenides
journal, May 2011

Weak pinning and hexatic order in a doped two-dimensional charge-density-wave system
journal, June 1991

Excitation Gap in the Normal State of Underdoped Bi2Sr2CaCu2O8+delta
journal, July 1996

Observation of a pairing pseudogap in a two-dimensional Fermi gas
text, January 2011

A quantum phase transition from triangular to stripe charge order in NbSe$_{2}$
text, January 2012

2D Group IVB Transition Metal Dichalcogenides
journal, August 2018

Edge-Epitaxial Growth of 2D NbS ₂ -WS ₂ Lateral Metal-Semiconductor Heterostructures
journal, August 2018

Charge order from orbital-dependent coupling evidenced by NbSe2
journal, May 2015

Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2
journal, July 2018

Distinction between pristine and disorder-perturbed charge density waves in ZrTe3
journal, January 2020

Pressure-induced metallization and superconducting phase in ReS 2
journal, March 2017

Evidence for topological defects in a photoinduced phase transition
journal, October 2018

Intimate link between charge density wave, pseudogap and superconducting energy scales in cuprates
journal, April 2019

Enhancement of superconducting properties and flux pinning mechanism on Cr0.0005NbSe2 single crystal under Hydrostatic pressure
journal, January 2019

Spectroscopic signature of moment-dependent electron–phonon coupling in 2H-TaS ₂
journal, January 2017

High-temperature charge density wave correlations in La _1.875 Ba _0.125 CuO ₄ without spin–charge locking
journal, November 2017

Atomic-scale strain manipulation of a charge density wave
journal, June 2018

Disorder raises the critical temperature of a cuprate superconductor
journal, May 2019

Photoemission perspective on pseudogap, superconducting fluctuations, and charge order in cuprates: a review of recent progress
journal, April 2018

Configurational electronic states in layered transition metal dichalcogenides
journal, August 2019

First-principles study of the thermodynamic and vibrational properties of ${ReS}_{2}$ under pressure
journal, December 2019

Unveiling hidden charge density waves in single-layer ${NbSe}_{2}$ by impurities
journal, November 2018

Pseudogaps and Emergence of Coherence in Two-Dimensional Electron Liquids in ${SrTiO}_{3}$
journal, July 2016

Local Real-Space View of the Achiral $1 T − {TiSe}_{2}$ $2 \times 2 \times 2$ Charge Density Wave
journal, March 2018

Dielectric Properties of NbxW1-xSe2 Alloys
journal, January 2019

Incommensurate Phonon Anomaly and the Nature of Charge Density Waves in Cuprates
text, January 2018

Charge Order from Orbital-dependent Coupling Evidenced by NbSe$_2$
text, January 2015

Disorder raises the critical temperature of a cuprate superconductor
text, January 2018

Distinction between pristine and disorder-perturbed charge density waves in ZrTe3
journal, January 2020

Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2
text, January 2017