Nature Communications

/Nature Communications

Inducing Kondo screening of vacancy magnetic moments in graphene with gating and local curvature

2018-06-14T10:34:00+00:00 June 14th, 2018|Categories: Publications|Tags: |

Inducing Kondo screening of vacancy magnetic moments in graphene with gating and local curvatureInducing Kondo screening of vacancy magnetic moments in graphene with gating and local curvature, Published online: 14 June 2018; doi:10.1038/s41467-018-04812-6Observing and tuning the Kondo effect in graphene is experimentally challenging. Here, the authors identify the spectroscopic signature of Kondo screening in graphene, along with a quantum phase transition between screened and unscreened phases of vacancy magnetic moments.

Published in: "Nature Communications".

Manipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfaces

2018-06-06T10:34:29+00:00 June 6th, 2018|Categories: Publications|Tags: |

Manipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfacesManipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfaces, Published online: 06 June 2018; doi:10.1038/s41467-018-03982-7Manipulating the properties of artificial graphene systems without changing the lattice has proven difficult. Here, Mann et al. theoretically show that changing the photonic environment alone can modify the fundamental properties of emergent massless Dirac polaritons in honeycomb metasurfaces.

Published in: "Nature Communications".

Manipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfaces

2018-06-06T10:34:29+00:00 June 6th, 2018|Categories: Publications|Tags: |

Manipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfacesManipulating type-I and type-II Dirac polaritons in cavity-embedded honeycomb metasurfaces, Published online: 06 June 2018; doi:10.1038/s41467-018-03982-7Manipulating the properties of artificial graphene systems without changing the lattice has proven difficult. Here, Mann et al. theoretically show that changing the photonic environment alone can modify the fundamental properties of emergent massless Dirac polaritons in honeycomb metasurfaces.

Published in: "Nature Communications".

Large quantum-spin-Hall gap in single-layer 1<i>T</i>′ WSe<sub>2</sub>

2018-05-21T10:33:17+00:00 May 21st, 2018|Categories: Publications|Tags: , |

Large quantum-spin-Hall gap in single-layer 1T′ WSe2Large quantum-spin-Hall gap in single-layer 1<i>T</i>′ WSe<sub>2</sub>, Published online: 21 May 2018; doi:10.1038/s41467-018-04395-2The current known two-dimensional topological insulators with small band gaps limit the potential for room temperature applications. Here, Chen et al. observe a sizable gap of 129 meV in a 1T’-WSe2 single layer grown on bilayer graphene with in-gap edge state near the layer boundary.

Published in: "Nature Communications".

Functionalized boron nitride membranes with ultrafast solvent transport performance for molecular separation

2018-05-15T10:32:31+00:00 May 15th, 2018|Categories: Publications|Tags: |

Functionalized boron nitride membranes with ultrafast solvent transport performance for molecular separationFunctionalized boron nitride membranes with ultrafast solvent transport performance for molecular separation, Published online: 15 May 2018; doi:10.1038/s41467-018-04294-62D materials show promise for membrane filtration technologies, but their permeance to organic solvents is typically poor. Here, the authors prepare functionalized boron nitride membranes with high flux and high molecular separation performances in both aqueous solutions and organic solvents.

Published in: "Nature Communications".

Ultrafast probes of electron–hole transitions between two atomic layers

2018-05-10T10:32:38+00:00 May 10th, 2018|Categories: Publications|Tags: , |

Ultrafast probes of electron–hole transitions between two atomic layersUltrafast probes of electron–hole transitions between two atomic layers, Published online: 10 May 2018; doi:10.1038/s41467-018-04291-9The investigation into the dynamical transitions of charged quasiparticles on interfaces remains technically challenging. Here, the authors use ultrafast, mid-infrared micro-spectroscopy to unveil the formation of tightly bound interlayer excitons between conducting graphene and semiconducting MoSe2.

Published in: "Nature Communications".

Femtosecond X-ray coherent diffraction of aligned amyloid fibrils on low background graphene

2018-05-09T10:31:46+00:00 May 9th, 2018|Categories: Publications|Tags: |

Femtosecond X-ray coherent diffraction of aligned amyloid fibrils on low background grapheneFemtosecond X-ray coherent diffraction of aligned amyloid fibrils on low background graphene, Published online: 09 May 2018; doi:10.1038/s41467-018-04116-9The structures of amyloid fibres are currently primarily studied through solid state NMR and cryo-EM. Here the authors present a free-standing graphene support device that allows diffraction imaging of non-crystalline amyloid fibrils with single X-ray pulses from an X-ray free-electron laser.

Published in: "Nature Communications".

CVD-grown monolayer MoS<sub>2</sub> in bioabsorbable electronics and biosensors

2018-04-27T10:31:41+00:00 April 27th, 2018|Categories: Publications|Tags: |

CVD-grown monolayer MoS2 in bioabsorbable electronics and biosensorsCVD-grown monolayer MoS<sub>2</sub> in bioabsorbable electronics and biosensors, Published online: 27 April 2018; doi:10.1038/s41467-018-03956-9Transient electronics entails the capability of electronic components to dissolve or reabsorb in a controlled manner when used in biomedical implants. Here, the authors perform a systematic study of the processes of hydrolysis, bioabsorption, cytotoxicity and immunological biocompatibility of monolayer MoS2.

Published in: "Nature Communications".

Emerging two-dimensional ferromagnetism in silicene materials

2018-04-26T10:31:57+00:00 April 26th, 2018|Categories: Publications|Tags: |

Emerging two-dimensional ferromagnetism in silicene materialsEmerging two-dimensional ferromagnetism in silicene materials, Published online: 26 April 2018; doi:10.1038/s41467-018-04012-2Exploring the magnetism in 2D materials paves the way to low-dimensional spintronics. Here the authors report evolution of bulk antiferromagnetism to intrinsic 2D in-plane ferromagnetism in layered structures of silicene functionalized by rare-earth atoms as they are scaled down to one monolayer.

Published in: "Nature Communications".

Dissociation of two-dimensional excitons in monolayer WSe<sub>2</sub>

2018-04-24T10:31:58+00:00 April 24th, 2018|Categories: Publications|Tags: |

Dissociation of two-dimensional excitons in monolayer WSe2Dissociation of two-dimensional excitons in monolayer WSe<sub>2</sub>, Published online: 24 April 2018; doi:10.1038/s41467-018-03864-yIn two-dimensional semiconductors excitons are strongly bound, suppressing the creation of free carriers. Here, the authors investigate the main exciton dissociation pathway in p-n junctions of monolayer WSe2 by means of time and spectrally resolved photocurrent measurements.

Published in: "Nature Communications".

Biological recognition of graphene nanoflakes

2018-04-20T10:31:19+00:00 April 20th, 2018|Categories: Publications|Tags: |

Biological recognition of graphene nanoflakesBiological recognition of graphene nanoflakes, Published online: 20 April 2018; doi:10.1038/s41467-018-04009-xThe production of graphene nanoflakes for biological studies is usually done in a controlled chemical environment. Here, the authors develop a method to produce graphene nanoflakes in biofluids and find that their protein coats are different from that of other materials.

Published in: "Nature Communications".

Atomically thin noble metal dichalcogenide: a broadband mid-infrared semiconductor

2018-04-18T10:31:25+00:00 April 18th, 2018|Categories: Publications|Tags: |

Atomically thin noble metal dichalcogenide: a broadband mid-infrared semiconductorAtomically thin noble metal dichalcogenide: a broadband mid-infrared semiconductor, Published online: 18 April 2018; doi:10.1038/s41467-018-03935-0The mid-infrared technologies are essential to various applications but suffer from limited materials with suitable bandgap. Here the authors demonstrate that two-dimensional atomically thin PtSe2 with variable bandgaps in the mid-infrared via layer and defect engineering is highly promising for mid-infrared optoelectronics.

Published in: "Nature Communications".

Highly stable graphene-oxide-based membranes with superior permeability

2018-04-16T10:31:26+00:00 April 16th, 2018|Categories: Publications|Tags: , |

Highly stable graphene-oxide-based membranes with superior permeabilityHighly stable graphene-oxide-based membranes with superior permeability, Published online: 16 April 2018; doi:10.1038/s41467-018-03919-0Graphene oxide membranes show great potential for water filtering, but improving their performance and stability remains difficult. Here, the authors use theanine amino acid and tannic acid to reduce and cross-link graphene oxide membranes with remarkably high permeability and stability in aqueous solution.

Published in: "Nature Communications".

Tuning Ising superconductivity with layer and spin–orbit coupling in two-dimensional transition-metal dichalcogenides

2018-04-12T10:32:03+00:00 April 12th, 2018|Categories: Publications|Tags: , , |

Tuning Ising superconductivity with layer and spin–orbit coupling in two-dimensional transition-metal dichalcogenidesTuning Ising superconductivity with layer and spin–orbit coupling in two-dimensional transition-metal dichalcogenides, Published online: 12 April 2018; doi:10.1038/s41467-018-03888-4Monolayer transition-metal dichalcogenide (TMD) is promising to host features of topological superconductivity. Here, de la Barrera et al. study layered compounds, 2H-TaS2 and 2H-NbSe2, in their atomic layer limit and find a largest upper critical field for an intrinsic TMD superconductor.

Published in: "Nature Communications".

Two-dimensional electronic transport and surface electron accumulation in MoS<sub>2</sub>

2018-04-12T10:32:02+00:00 April 12th, 2018|Categories: Publications|Tags: |

Two-dimensional electronic transport and surface electron accumulation in MoS2Two-dimensional electronic transport and surface electron accumulation in MoS<sub>2</sub>, Published online: 12 April 2018; doi:10.1038/s41467-018-03824-6In absence of dangling bonds, van der Waals layered crystals are expected to have inert surfaces. In contrast, here the authors show presence of surface electron accumulation in MoS2, with a surface electron concentration nearly four orders of magnitude higher than that of MoS2 inner bulk.

Published in: "Nature Communications".

Supported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 K

2018-04-11T10:31:31+00:00 April 11th, 2018|Categories: Publications|Tags: , |

Supported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 KSupported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 K, Published online: 11 April 2018; doi:10.1038/s41467-018-03737-4In order to displace fossil fuel technologies, it is crucial to develop efficient solar-to-fuel conversion materials using abundant, cheap elements. Here, the authors prepare few-layer black phosphorous with amorphous cobalt phosphide and produce hydrogen gas with light at high efficiencies.

Published in: "Nature Communications".

Negative circular polarization emissions from WSe<sub>2</sub>/MoSe<sub>2</sub> commensurate heterobilayers

2018-04-10T10:32:28+00:00 April 10th, 2018|Categories: Publications|Tags: , , |

Negative circular polarization emissions from WSe2/MoSe2 commensurate heterobilayersNegative circular polarization emissions from WSe<sub>2</sub>/MoSe<sub>2</sub> commensurate heterobilayers, Published online: 10 April 2018; doi:10.1038/s41467-018-03869-7The interlayer coupling in van der Waals heterostructures is sensitive to the interlayer atomic registry. Here, the authors investigate the polarisation properties of epitaxially grown, commensurate WSe2/MoSe2 heterobilayers with well-defined atomic registry, and observe negative, circularly polarized photoluminescence from interlayer excitons.

Published in: "Nature Communications".

High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer

2018-03-29T10:32:57+00:00 March 29th, 2018|Categories: Publications|Tags: |

High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transferHigh-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer, Published online: 29 March 2018; doi:10.1038/s41467-018-03695-xIntegrating graphene with existing silicon technologies may pave the way to compact light sources for optoelectronics and photonics. Here, the authors fabricate graphene-based arrays of blackbody emitters integrated on a silicon chip, operating in the near-infrared region at high speed.

Published in: "Nature Communications".

Publisher Correction: Ultrafast quantum beats of anisotropic excitons in atomically thin ReS<sub>2</sub>

2018-03-22T10:34:01+00:00 March 22nd, 2018|Categories: Publications|Tags: |

Publisher Correction: Ultrafast quantum beats of anisotropic excitons in atomically thin ReS2Publisher Correction: Ultrafast quantum beats of anisotropic excitons in atomically thin ReS<sub>2</sub>, Published online: 22 March 2018; doi:10.1038/s41467-018-03558-5Publisher Correction: Ultrafast quantum beats of anisotropic excitons in atomically thin ReS2

Published in: "Nature Communications".

<i>Operando</i> tribochemical formation of onion-like-carbon leads to macroscale superlubricity

2018-03-21T10:34:25+00:00 March 21st, 2018|Categories: Publications|Tags: |

Operando tribochemical formation of onion-like-carbon leads to macroscale superlubricity<i>Operando</i> tribochemical formation of onion-like-carbon leads to macroscale superlubricity, Published online: 21 March 2018; doi:10.1038/s41467-018-03549-6Stress-induced tribochemical reactions that reduce friction at sliding interfaces typically require liquid lubricants. Here, the authors discover the nanoscale tribocatalytic formation of onion-like carbon from 2D MoS2 and nanodiamond under dry and oil-free conditions, providing superlubricity at the macroscale.

Published in: "Nature Communications".

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