Latest Research

  • Article |

    Time-resolved ultrafast spectroscopy is combined with stimulated emission depletion microscopy to observe exciton migration in conjugated polymer films with nanometre and picosecond resolution.

    • Samuel B. Penwell
    • , Lucas D. S. Ginsberg
    • , Rodrigo Noriega
    •  & Naomi S. Ginsberg
  • Article |

    Imaging of ferroelectric domain walls and their polarity is achieved through scanning stress microscopy. Twin boundaries are found to allow nanoscale gating of the two-dimensional electron gas at the LaAlO3/SrTiO3 interface.

    • Yiftach Frenkel
    • , Noam Haham
    • , Yishai Shperber
    • , Christopher Bell
    • , Yanwu Xie
    • , Zhuoyu Chen
    • , Yasuyuki Hikita
    • , Harold Y. Hwang
    • , Ekhard K. H. Salje
    •  & Beena Kalisky
  • Article |

    The structure of ionic liquids under confinement is not well understood and hinders their widespread use for applications. Convincing evidence of partial breaking of Coulombic ordering of ions confined in subnanometre carbon pores is now provided.

    • Ryusuke Futamura
    • , Taku Iiyama
    • , Yuma Takasaki
    • , Yury Gogotsi
    • , Mark J. Biggs
    • , Mathieu Salanne
    • , Julie Ségalini
    • , Patrice Simon
    •  & Katsumi Kaneko
  • Article |

    Compared to monovalent lithium or sodium ions, the reversible insertion of multivalent ions into battery electrodes has proved challenging. An aliovalent doping strategy involving reversible Mg2+ and Al3+ insertion in anatase TiO2 is now reported.

    • Toshinari Koketsu
    • , Jiwei Ma
    • , Benjamin J. Morgan
    • , Monique Body
    • , Christophe Legein
    • , Walid Dachraoui
    • , Mattia Giannini
    • , Arnaud Demortière
    • , Mathieu Salanne
    • , François Dardoize
    • , Henri Groult
    • , Olaf J. Borkiewicz
    • , Karena W. Chapman
    • , Peter Strasser
    •  & Damien Dambournet
  • Article |

    Designing fully tunable metamaterials for applications ranging from sensors to superlenses remains a challenge. A reversible electrotuneable liquid mirror based on voltage-controlled self-assembly/disassembly plasmonic nanoparticles is now reported.

    • Yunuen Montelongo
    • , Debabrata Sikdar
    • , Ye Ma
    • , Alastair J. S. McIntosh
    • , Leonora Velleman
    • , Anthony R. Kucernak
    • , Joshua B. Edel
    •  & Alexei A. Kornyshev
  • Letter |

    The observation of the spin Nernst effect in platinum thin film is reported. This and the spin Hall effects are found to be of similar magnitude.

    • S. Meyer
    • , Y.-T. Chen
    • , S. Wimmer
    • , M. Althammer
    • , T. Wimmer
    • , R. Schlitz
    • , S. Geprägs
    • , H. Huebl
    • , D. Ködderitzsch
    • , H. Ebert
    • , G. E. W. Bauer
    • , R. Gross
    •  & S. T. B. Goennenwein
  • Article |

    A model analysing the neighbour transfer integrals between adjacent molecules is used to build a three-dimensional map, which helps to visualize the electronic conditions yielding large carrier mobility in molecular crystals.

    • S. Fratini
    • , S. Ciuchi
    • , D. Mayou
    • , G. Trambly de Laissardière
    •  & A. Troisi
  • Article |

    At tissue boundaries, cellular repulsive events are manifested as deformation waves that result from an oscillatory pattern of traction forces and intracellular stress that pull cellular adhesions away from the boundary.

    • Pilar Rodríguez-Franco
    • , Agustí Brugués
    • , Ariadna Marín-Llauradó
    • , Vito Conte
    • , Guiomar Solanas
    • , Eduard Batlle
    • , Jeffrey J. Fredberg
    • , Pere Roca-Cusachs
    • , Raimon Sunyer
    •  & Xavier Trepat
  • Letter |

    Irradiation with a strong terahertz electric-field pulse is found to induce a Mott transition in an organic molecular compound. The metallization is attributed to an impulsive dielectric breakdown.

    • H. Yamakawa
    • , T. Miyamoto
    • , T. Morimoto
    • , T. Terashige
    • , H. Yada
    • , N. Kida
    • , M. Suda
    • , H. M. Yamamoto
    • , R. Kato
    • , K. Miyagawa
    • , K. Kanoda
    •  & H. Okamoto
  • Article |

    Theoretical analysis of competing diffusion modes within electrocatalytic films is challenging. It is now shown that the competition depends on a single dimensionless parameter that contains all operational and structural experimental factors.

    • Cyrille Costentin
    • , Carlo Di Giovanni
    • , Marion Giraud
    • , Jean-Michel Savéant
    •  & Cédric Tard
  • Letter |

    The chiral anomaly in the Weyl metal phase is reported to lead to a breakdown of Ohm’s law.

    • Dongwoo Shin
    • , Yongwoo Lee
    • , M. Sasaki
    • , Yoon Hee Jeong
    • , Franziska Weickert
    • , Jon B. Betts
    • , Heon-Jung Kim
    • , Ki-Seok Kim
    •  & Jeehoon Kim
  • Article |

    Femtosecond laser pulses can induce local bulging or plasma ablation of silk with limited structural damage, thus offering a technique for cutting, patterning, bending and welding of silk with various other materials.

    • Mehra S. Sidhu
    • , Bhupesh Kumar
    •  & Kamal P. Singh
  • Article |

    Cardiac repair usually requires highly invasive interventional procedures. Here, the authors develop an injectable shape-memory cardiac patch and demonstrated its applicability in a myocardial infarction model.

    • Miles Montgomery
    • , Samad Ahadian
    • , Locke Davenport Huyer
    • , Mauro Lo Rito
    • , Robert A. Civitarese
    • , Rachel D. Vanderlaan
    • , Jun Wu
    • , Lewis A. Reis
    • , Abdul Momen
    • , Saeed Akbari
    • , Aric Pahnke
    • , Ren-Ke Li
    • , Christopher A. Caldarone
    •  & Milica Radisic
  • Letter |

    A two-dimensional quasicrystalline tiling based on the bronze-mean hexagonal pattern is proposed.

    • Tomonari Dotera
    • , Shinichi Bekku
    •  & Primož Ziherl
  • Article |

    Ligand–integrin binding is essential for cell and tissue growth. Here, controlled integrin binding on a hyaluronic acid hydrogel was shown to promote endothelial cell sprouting in vitro and vessel network formation in vivo.

    • Shuoran Li
    • , Lina R. Nih
    • , Haylee Bachman
    • , Peng Fei
    • , Yilei Li
    • , Eunwoo Nam
    • , Robert Dimatteo
    • , S. Thomas Carmichael
    • , Thomas H. Barker
    •  & Tatiana Segura
  • Article |

    Metal-oxide superlattices were found to possess coexisting phases; a ferroelectric phase and a vortex phase with electric toroidal order. Electric fields interconverted from one phase to another, potentially enabling new functionality.

    • A. R. Damodaran
    • , J. D. Clarkson
    • , Z. Hong
    • , H. Liu
    • , A. K. Yadav
    • , C. T. Nelson
    • , S.-L. Hsu
    • , M. R. McCarter
    • , K.-D. Park
    • , V. Kravtsov
    • , A. Farhan
    • , Y. Dong
    • , Z. Cai
    • , H. Zhou
    • , P. Aguado-Puente
    • , P. García-Fernández
    • , J. Íñiguez
    • , J. Junquera
    • , A. Scholl
    • , M. B. Raschke
    • , L.-Q. Chen
    • , D. D. Fong
    • , R. Ramesh
    •  & L. W. Martin
  • Article |

    Highly nanostructured purely organic films are shown to enhance the Raman signal of methylene blue molecules by three orders of magnitude, due to the unique molecular geometry, morphology and electronic properties of the films.

    • Mehmet Yilmaz
    • , Esra Babur
    • , Mehmet Ozdemir
    • , Rebecca L. Gieseking
    • , Yavuz Dede
    • , Ugur Tamer
    • , George C. Schatz
    • , Antonio Facchetti
    • , Hakan Usta
    •  & Gokhan Demirel
  • Article |

    Polymer membranes were formed from the inefficient packing of 2D polymer chains in a 3D amorphous solid, forming small and large micropores that enable high gas selectivity and permeability. This strategy may be applied to other polymers.

    • Ian Rose
    • , C. Grazia Bezzu
    • , Mariolino Carta
    • , Bibiana Comesaña-Gándara
    • , Elsa Lasseuguette
    • , M. Chiara Ferrari
    • , Paola Bernardo
    • , Gabriele Clarizia
    • , Alessio Fuoco
    • , Johannes C. Jansen
    • , Kyle E. Hart
    • , Thilanga P. Liyana-Arachchi
    • , Coray M. Colina
    •  & Neil B. McKeown
  • Article |

    Nanostructured zeolites were synthesized without hydrophilic silanol groups, and without fluoridation, via the introduction of atomically dispersed tungsten. This resulted in improved catalytic and gas separation properties.

    • Julien Grand
    • , Siddulu Naidu Talapaneni
    • , Aurélie Vicente
    • , Christian Fernandez
    • , Eddy Dib
    • , Hristiyan A. Aleksandrov
    • , Georgi N. Vayssilov
    • , Richard Retoux
    • , Philippe Boullay
    • , Jean-Pierre Gilson
    • , Valentin Valtchev
    •  & Svetlana Mintova
  • Article |

    Viscoelastic phase separation of colloidal suspensions can be interrupted to form gels either by glass transition or crystallization. A kinetic pathway to spontaneously form network or porous structures made of metallic and semiconducting crystals is proposed.

    • Hideyo Tsurusawa
    • , John Russo
    • , Mathieu Leocmach
    •  & Hajime Tanaka