Latest Research

  • Article |

    Superconductivity is induced in an accidental Dirac semimetal via the proximity effect.

    • Chuan Li
    • , Jorrit C. de Boer
    • , Bob de Ronde
    • , Shyama V. Ramankutty
    • , Erik van Heumen
    • , Yingkai Huang
    • , Anne de Visser
    • , Alexander A. Golubov
    • , Mark S. Golden
    •  & Alexander Brinkman
  • Article |

    Phase transformations driven by compositional change require mass flux across a phase boundary. Lithium migration in LiXFePO4 along the solid/liquid interface now suggests that surface diffusion contributes to tuning phase transformation in anisotropic solids.

    • Yiyang Li
    • , Hungru Chen
    • , Kipil Lim
    • , Haitao D. Deng
    • , Jongwoo Lim
    • , Dimitrios Fraggedakis
    • , Peter M. Attia
    • , Sang Chul Lee
    • , Norman Jin
    • , Jože Moškon
    • , Zixuan Guan
    • , William E. Gent
    • , Jihyun Hong
    • , Young-Sang Yu
    • , Miran Gaberšček
    • , M. Saiful Islam
    • , Martin Z. Bazant
    •  & William C. Chueh
  • Article |

    The model alloy of Au–Ag is studied to decouple the role of stress and corrosion in intergranular cracking caused by metal dissolution. Nanoporous corrosion layers can mechanically inject a crack into grain boundaries of the parent phase.

    • N. Badwe
    • , X. Chen
    • , D. K. Schreiber
    • , M. J. Olszta
    • , N. R. Overman
    • , E. K. Karasz
    • , A. Y. Tse
    • , S. M. Bruemmer
    •  & K. Sieradzki
  • Article |

    Magnetocaloric effects can be used for refrigeration, but application uptake is limited due to large amounts of magnetic material used. Here, a cooling cycle is shown that uses thermal hysteresis, significantly reducing magnetic material quantity.

    • Tino Gottschall
    • , Adrià Gràcia-Condal
    • , Maximilian Fries
    • , Andreas Taubel
    • , Lukas Pfeuffer
    • , Lluís Mañosa
    • , Antoni Planes
    • , Konstantin P. Skokov
    •  & Oliver Gutfleisch
  • Article |

    Reversible structural surface relaxation under laser exposure is observed for monolayers of 2D metal halide perovskites. These structural changes also induce reversible shifts in the photoluminescence peaks of these materials.

    • Kai Leng
    • , Ibrahim Abdelwahab
    • , Ivan Verzhbitskiy
    • , Mykola Telychko
    • , Leiqiang Chu
    • , Wei Fu
    • , Xiao Chi
    • , Na Guo
    • , Zhihui Chen
    • , Zhongxin Chen
    • , Chun Zhang
    • , Qing-Hua Xu
    • , Jiong Lu
    • , Manish Chhowalla
    • , Goki Eda
    •  & Kian Ping Loh
  • Article |

    A systematic analysis is performed to reveal how deposition conditions and the use of cations and solvents affect the composition and orientation of 2D and quasi-2D metal halide perovskites in thin films.

    • Rafael Quintero-Bermudez
    • , Aryeh Gold-Parker
    • , Andrew H. Proppe
    • , Rahim Munir
    • , Zhenyu Yang
    • , Shana O. Kelley
    • , Aram Amassian
    • , Michael F. Toney
    •  & Edward H. Sargent
  • Article |

    Combined multimodal atomic force microscopy, ion microscopy, ion mass spectrometry and infrared spectrometry experiments explore the chemical properties of ferroelastic twin domains in hybrid lead halide perovskites.

    • Yongtao Liu
    • , Liam Collins
    • , Roger Proksch
    • , Songkil Kim
    • , Brianna R. Watson
    • , Benjamin Doughty
    • , Tessa R. Calhoun
    • , Mahshid Ahmadi
    • , Anton V. Ievlev
    • , Stephen Jesse
    • , Scott T. Retterer
    • , Alex Belianinov
    • , Kai Xiao
    • , Jingsong Huang
    • , Bobby G. Sumpter
    • , Sergei V. Kalinin
    • , Bin Hu
    •  & Olga S. Ovchinnikova
  • Letter |

    Metallic ferromagnetism is reported in an exfoliated monolayer of the van der Waals material Fe3GeTe2.

    • Zaiyao Fei
    • , Bevin Huang
    • , Paul Malinowski
    • , Wenbo Wang
    • , Tiancheng Song
    • , Joshua Sanchez
    • , Wang Yao
    • , Di Xiao
    • , Xiaoyang Zhu
    • , Andrew F. May
    • , Weida Wu
    • , David H. Cobden
    • , Jiun-Haw Chu
    •  & Xiaodong Xu
  • Letter |

    A thorough analysis of the optical and transport properties of several two-dimensional organic conductors and insulators with varying on-site correlation strengths and bandwidths led to a quantitative phase diagram for pristine Mott insulators.

    • A. Pustogow
    • , M. Bories
    • , A. Löhle
    • , R. Rösslhuber
    • , E. Zhukova
    • , B. Gorshunov
    • , S. Tomić
    • , J. A. Schlueter
    • , R. Hübner
    • , T. Hiramatsu
    • , Y. Yoshida
    • , G. Saito
    • , R. Kato
    • , T.-H. Lee
    • , V. Dobrosavljević
    • , S. Fratini
    •  & M. Dressel
  • Article |

    Sputtered BixSe(1–x) thin films can generate very large current-induced spin–orbit torque, capable to switch both in-plane and out-of-plane magnetized CoFeB-based structures deposited on top, at room temperature.

    • Mahendra DC
    • , Roberto Grassi
    • , Jun-Yang Chen
    • , Mahdi Jamali
    • , Danielle Reifsnyder Hickey
    • , Delin Zhang
    • , Zhengyang Zhao
    • , Hongshi Li
    • , P. Quarterman
    • , Yang Lv
    • , Mo Li
    • , Aurelien Manchon
    • , K. Andre Mkhoyan
    • , Tony Low
    •  & Jian-Ping Wang
  • Letter |

    Long coherence times in a subset of states that allows for transitions in both microwave and optical range have been reported using an isotopically purified 171Yb3+:Y2SiO5 crystal, rendering the system suitable for quantum information applications.

    • Antonio Ortu
    • , Alexey Tiranov
    • , Sacha Welinski
    • , Florian Fröwis
    • , Nicolas Gisin
    • , Alban Ferrier
    • , Philippe Goldner
    •  & Mikael Afzelius
  • Article |

    A combined experimental and theoretical approach identifies the van der Waals material Fe3GeTe2 as a candidate ferromagnetic nodal line semimetal. These results extend the connections between topology and magnetism.

    • Kyoo Kim
    • , Junho Seo
    • , Eunwoo Lee
    • , K.-T. Ko
    • , B. S. Kim
    • , Bo Gyu Jang
    • , Jong Mok Ok
    • , Jinwon Lee
    • , Youn Jung Jo
    • , Woun Kang
    • , Ji Hoon Shim
    • , C. Kim
    • , Han Woong Yeom
    • , Byung Il Min
    • , Bohm-Jung Yang
    •  & Jun Sung Kim
  • Article |

    Key optoelectronic properties for donor and acceptor organic semiconductors are identified to obtain organic solar cells with reduced open-circuit voltage losses and high power conversion efficiencies.

    • Deping Qian
    • , Zilong Zheng
    • , Huifeng Yao
    • , Wolfgang Tress
    • , Thomas R. Hopper
    • , Shula Chen
    • , Sunsun Li
    • , Jing Liu
    • , Shangshang Chen
    • , Jiangbin Zhang
    • , Xiao-Ke Liu
    • , Bowei Gao
    • , Liangqi Ouyang
    • , Yingzhi Jin
    • , Galia Pozina
    • , Irina A. Buyanova
    • , Weimin M. Chen
    • , Olle Inganäs
    • , Veaceslav Coropceanu
    • , Jean-Luc Bredas
    • , He Yan
    • , Jianhui Hou
    • , Fengling Zhang
    • , Artem A. Bakulin
    •  & Feng Gao
  • Article |

    Tuning surface structure is key for electrocatalytic performance and stability of proton-exchange membrane fuel cells. Surface distortion as a structural descriptor can help to clarify the role of surface defects and to design enhanced nanocatalysts.

    • Raphaël Chattot
    • , Olivier Le Bacq
    • , Vera Beermann
    • , Stefanie Kühl
    • , Juan Herranz
    • , Sebastian Henning
    • , Laura Kühn
    • , Tristan Asset
    • , Laure Guétaz
    • , Gilles Renou
    • , Jakub Drnec
    • , Pierre Bordet
    • , Alain Pasturel
    • , Alexander Eychmüller
    • , Thomas J. Schmidt
    • , Peter Strasser
    • , Laetitia Dubau
    •  & Frédéric Maillard
  • Letter |

    Borophene grown under suitable conditions can have phase intermixing, with line defects in each phase adopting the unit structure of the other phase. Such 1D defects self-assemble into 2D periodic arrays, constituting new phases of borophene.

    • Xiaolong Liu
    • , Zhuhua Zhang
    • , Luqing Wang
    • , Boris I. Yakobson
    •  & Mark C. Hersam
  • Article |

    Degenerately doped semiconductor nanocrystals exhibit localized surface plasmon resonance in the infrared. Semiconducting properties such as band structure modification due to doping and surface states are now shown to strongly affect plasmonic modulation.

    • Omid Zandi
    • , Ankit Agrawal
    • , Alex B. Shearer
    • , Lauren C. Reimnitz
    • , Clayton J. Dahlman
    • , Corey M. Staller
    •  & Delia J. Milliron
  • Letter |

    Ultracold atoms can model single-order quantum phases, but coupling of different order parameters has not been shown. Here, this is demonstrated using two optical resonators, facilitating exploration of multiple-order systems such as multiferroics.

    • Andrea Morales
    • , Philip Zupancic
    • , Julian Léonard
    • , Tilman Esslinger
    •  & Tobias Donner
  • Article |

    Ferroelectricity can be modified by domain wall strain fields that extend over nanometres. Here, with X-ray microscopy, strain fields over several micrometres are observed in BaTiO3, suggesting ferroelectricity is globally altered throughout the material.

    • Hugh Simons
    • , Astri Bjørnetun Haugen
    • , Anders Clemen Jakobsen
    • , Søren Schmidt
    • , Frederik Stöhr
    • , Marta Majkut
    • , Carsten Detlefs
    • , John E. Daniels
    • , Dragan Damjanovic
    •  & Henning Friis Poulsen
  • Article |

    How local order affects the excellent piezoelectric properties of Pb-based relaxor ferroelectrics is unclear, but neutron diffuse scattering shows that non-relaxor distortions are implicated, indicating the important role of oxygen atoms.

    • M. J. Krogstad
    • , P. M. Gehring
    • , S. Rosenkranz
    • , R. Osborn
    • , F. Ye
    • , Y. Liu
    • , J. P. C. Ruff
    • , W. Chen
    • , J. M. Wozniak
    • , H. Luo
    • , O. Chmaissem
    • , Z.-G. Ye
    •  & D. Phelan
  • Letter |

    Monatomic glasses formed by rapidly quenching Sb films from a molten state are shown to work as phase change materials for memory applications at room temperature.

    • Martin Salinga
    • , Benedikt Kersting
    • , Ider Ronneberger
    • , Vara Prasad Jonnalagadda
    • , Xuan Thang Vu
    • , Manuel Le Gallo
    • , Iason Giannopoulos
    • , Oana Cojocaru-Mirédin
    • , Riccardo Mazzarello
    •  & Abu Sebastian
  • Perspective |

    This Perspective describes the recent advances in understanding and controlling the properties of single-wall carbon nanotubes as well as the progress towards the fabrication of new electrically driven single-photon sources.

    • X. He
    • , H. Htoon
    • , S. K. Doorn
    • , W. H. P. Pernice
    • , F. Pyatkov
    • , R. Krupke
    • , A. Jeantet
    • , Y. Chassagneux
    •  & C. Voisin
  • Letter |

    Magnetic vortices formed in antiferromagnetic haematite and imprinted on a Co ferromagnetic over-layer have been observed using X-ray magnetic linear and circular dichroism photoemission electron microscopy. These vortex pairs can be manipulated by the application of magnetic fields.

    • F. P. Chmiel
    • , N. Waterfield Price
    • , R. D. Johnson
    • , A. D. Lamirand
    • , J. Schad
    • , G. van der Laan
    • , D. T. Harris
    • , J. Irwin
    • , M. S. Rzchowski
    • , C.-B. Eom
    •  & P. G. Radaelli
  • Article |

    The gastrointestinal tract is a therapeutic target for type-2 diabetes. An orally deliverable sucralfate-based material is shown to form a physical coating in the gut, capable of limiting glucose uptake and also administering drugs to the gut lining.

    • Yuhan Lee
    • , Tara E. Deelman
    • , Keyue Chen
    • , Dawn S. Y. Lin
    • , Ali Tavakkoli
    •  & Jeffrey M. Karp
  • Letter |

    High and reversible nitrogen dioxide (NO2) uptake, and low-concentration NO2 removal from gas mixtures, is observed in a metal–organic framework. The NO2 is bound within the pores by cooperative supramolecular interactions.

    • Xue Han
    • , Harry G. W. Godfrey
    • , Lydia Briggs
    • , Andrew J. Davies
    • , Yongqiang Cheng
    • , Luke L. Daemen
    • , Alena M. Sheveleva
    • , Floriana Tuna
    • , Eric J. L. McInnes
    • , Junliang Sun
    • , Christina Drathen
    • , Michael W. George
    • , Anibal J. Ramirez-Cuesta
    • , K. Mark Thomas
    • , Sihai Yang
    •  & Martin Schröder
  • Letter |

    By using stacked macrocycle dimers, a 2D nanosheet self-assembles that exclusively captures a single enantiomer, and can release it by external stimulus via salt addition.

    • Bo Sun
    • , Yongju Kim
    • , Yanqiu Wang
    • , Huaxin Wang
    • , Jehan Kim
    • , Xin Liu
    •  & Myongsoo Lee
  • Article |

    The crucial interaction between reactive elements and water vapour during the oxide scale growth of alumina-forming alloys is revealed, providing insights to improve corrosion resistance of high-temperature alloys.

    • N. Mortazavi
    • , C. Geers
    • , M. Esmaily
    • , V. Babic
    • , M. Sattari
    • , K. Lindgren
    • , P. Malmberg
    • , B. Jönsson
    • , M. Halvarsson
    • , J. E. Svensson
    • , I. Panas
    •  & L. G. Johansson
  • Article |

    Observation of charge order in the overdoped (Bi,Pb)2Sr2CuO6+δ superconductor using resonant X-ray scattering and angular-resolved photoemission spectroscopy, over a wide temperature range.

    • Y. Y. Peng
    • , R. Fumagalli
    • , Y. Ding
    • , M. Minola
    • , S. Caprara
    • , D. Betto
    • , M. Bluschke
    • , G. M. De Luca
    • , K. Kummer
    • , E. Lefrançois
    • , M. Salluzzo
    • , H. Suzuki
    • , M. Le Tacon
    • , X. J. Zhou
    • , N. B. Brookes
    • , B. Keimer
    • , L. Braicovich
    • , M. Grilli
    •  & G. Ghiringhelli
  • Article |

    An optimized two-step deposition process allows the formation of uniform layers of metal halide perovskites on textured silicon layers, enabling tandem silicon/perovskite solar cells with improved optical design and efficiency.

    • Florent Sahli
    • , Jérémie Werner
    • , Brett A. Kamino
    • , Matthias Bräuninger
    • , Raphaël Monnard
    • , Bertrand Paviet-Salomon
    • , Loris Barraud
    • , Laura Ding
    • , Juan J. Diaz Leon
    • , Davide Sacchetto
    • , Gianluca Cattaneo
    • , Matthieu Despeisse
    • , Mathieu Boccard
    • , Sylvain Nicolay
    • , Quentin Jeangros
    • , Bjoern Niesen
    •  & Christophe Ballif
  • Article |

    A conducting metal–organic framework with charge delocalization by reductive potassium insertion is demonstrated. Integration into a field-effect transistor shows similar mobilities to semiconductors, with a mobility estimated to be at least 0.84 cm2 V–1 s–1.

    • Michael L. Aubrey
    • , Brian M. Wiers
    • , Sean C. Andrews
    • , Tsuneaki Sakurai
    • , Sebastian E. Reyes-Lillo
    • , Samia M. Hamed
    • , Chung-Jui Yu
    • , Lucy E. Darago
    • , Jarad A. Mason
    • , Jin-Ook Baeg
    • , Fernande Grandjean
    • , Gary J. Long
    • , Shu Seki
    • , Jeffrey B. Neaton
    • , Peidong Yang
    •  & Jeffrey R. Long
  • Article |

    Islet transplantation for diabetes treatment requires immunosuppression to control rejection. A microgel presenting Fas ligand with immunomodulatory properties is now shown to prolong the survival of allogeneic islet grafts in vivo.

    • Devon M. Headen
    • , Kyle B. Woodward
    • , María M. Coronel
    • , Pradeep Shrestha
    • , Jessica D. Weaver
    • , Hong Zhao
    • , Min Tan
    • , Michael D. Hunckler
    • , William S. Bowen
    • , Christopher T. Johnson
    • , Lonnie Shea
    • , Esma S. Yolcu
    • , Andrés J. García
    •  & Haval Shirwan
  • Letter |

    Fundamental understanding of electrocatalysis is key to a transition to renewable energy systems. A strategy to ‘electrify’ complex oxide-based model catalysts is now proposed to explore electrocatalytic reactions in liquid electrolytes.

    • Firas Faisal
    • , Corinna Stumm
    • , Manon Bertram
    • , Fabian Waidhas
    • , Yaroslava Lykhach
    • , Serhiy Cherevko
    • , Feifei Xiang
    • , Maximilian Ammon
    • , Mykhailo Vorokhta
    • , Břetislav Šmíd
    • , Tomáš Skála
    • , Nataliya Tsud
    • , Armin Neitzel
    • , Klára Beranová
    • , Kevin C. Prince
    • , Simon Geiger
    • , Olga Kasian
    • , Tobias Wähler
    • , Ralf Schuster
    • , M. Alexander Schneider
    • , Vladimír Matolín
    • , Karl J. J. Mayrhofer
    • , Olaf Brummel
    •  & Jörg Libuda
  • Article |

    Authors investigate graphene/cobalt and graphene/nickel interfaces, and observe a non-zero Dzyaloshinskii–Moriya interaction that they attribute to the Rashba effect; calculations suggest the effect can be enhanced in van der Waals heterostructures.

    • Hongxin Yang
    • , Gong Chen
    • , Alexandre A. C. Cotta
    • , Alpha T. N’Diaye
    • , Sergey A. Nikolaev
    • , Edmar A. Soares
    • , Waldemar A. A. Macedo
    • , Kai Liu
    • , Andreas K. Schmid
    • , Albert Fert
    •  & Mairbek Chshiev
  • Letter |

    In the antiferromagnetic insulator Cr2O3 a strong modulation of the spin conduction with magnetic field near the Néel temperature is measured. By analogy with its charge counterpart, this effect is termed spin colossal magnetoresistance.

    • Zhiyong Qiu
    • , Dazhi Hou
    • , Joseph Barker
    • , Kei Yamamoto
    • , Olena Gomonay
    •  & Eiji Saitoh