Letters

  • Letter |

    Hybrid light–matter states at the surface of a 2D material can interact strongly and propagate over macroscopic distances.

    • Fábio Barachati
    • , Antonio Fieramosca
    • , Soroush Hafezian
    • , Jie Gu
    • , Biswanath Chakraborty
    • , Dario Ballarini
    • , Ludvik Martinu
    • , Vinod Menon
    • , Daniele Sanvitto
    •  & Stéphane Kéna-Cohen
  • Letter |

    Using lifetime-resolved imaging techniques, engineered nanoparticles can be used to perform multiplexed imaging in the NIR-II region with limited interference from biological tissues, thus by-passing the challenges of conventional deep imaging.

    • Yong Fan
    • , Peiyuan Wang
    • , Yiqing Lu
    • , Rui Wang
    • , Lei Zhou
    • , Xianlin Zheng
    • , Xiaomin Li
    • , James A. Piper
    •  & Fan Zhang
  • Letter |

    An ensemble multicolour FRET model is introduced and used to extend multicolour barcoding to extreme FRET regimes, enabling in silico design of 580 barcode responses using common dyes and cytometer optics, and permitting fully automated decoding.

    • Milad Dagher
    • , Michael Kleinman
    • , Andy Ng
    •  & David Juncker
  • Letter |

    Lateral TMD–graphene–topological insulator hetero-devices enable room-temperature optoelectronic transport of the valley-locked spin polarization degree of freedom.

    • Soonyoung Cha
    • , Minji Noh
    • , Jehyun Kim
    • , Jangyup Son
    • , Hyemin Bae
    • , Doeon Lee
    • , Hoil Kim
    • , Jekwan Lee
    • , Ho-Seung Shin
    • , Sangwan Sim
    • , Seunghoon Yang
    • , Sooun Lee
    • , Wooyoung Shim
    • , Chul-Ho Lee
    • , Moon-Ho Jo
    • , Jun Sung Kim
    • , Dohun Kim
    •  & Hyunyong Choi
  • Letter |

    Scalable gate tunable superconducting qubits can be realized using a proximitized InAs two-dimensional electron gas.

    • Lucas Casparis
    • , Malcolm R. Connolly
    • , Morten Kjaergaard
    • , Natalie J. Pearson
    • , Anders Kringhøj
    • , Thorvald W. Larsen
    • , Ferdinand Kuemmeth
    • , Tiantian Wang
    • , Candice Thomas
    • , Sergei Gronin
    • , Geoffrey C. Gardner
    • , Michael J. Manfra
    • , Charles M. Marcus
    •  & Karl D. Petersson
  • Letter |

    DNA origami-based integrated gene transcription modules enable the rational design of transcription activity. Architectural modalities between gene and RNA polymerase allow the autonomous response to various signals with reprogrammable logic gates.

    • Takeya Masubuchi
    • , Masayuki Endo
    • , Ryo Iizuka
    • , Ayaka Iguchi
    • , Dong Hyun Yoon
    • , Tetsushi Sekiguchi
    • , Hao Qi
    • , Ryosuke Iinuma
    • , Yuya Miyazono
    • , Shuichi Shoji
    • , Takashi Funatsu
    • , Hiroshi Sugiyama
    • , Yoshie Harada
    • , Takuya Ueda
    •  & Hisashi Tadakuma
  • Letter |

    Graphene quantum dots inhibit the formation of alpha-synuclein fibrils and induce their dissociation in vitro, and display neuro-protective properties in in vivo models of Parkinson’s disease, with no appreciable long-term toxicity.

    • Donghoon Kim
    • , Je Min Yoo
    • , Heehong Hwang
    • , Junghee Lee
    • , Su Hyun Lee
    • , Seung Pil Yun
    • , Myung Jin Park
    • , MinJun Lee
    • , Seulah Choi
    • , Sang Ho Kwon
    • , Saebom Lee
    • , Seung-Hwan Kwon
    • , Sangjune Kim
    • , Yong Joo Park
    • , Misaki Kinoshita
    • , Young-Ho Lee
    • , Seokmin Shin
    • , Seung R. Paik
    • , Sung Joong Lee
    • , Seulki Lee
    • , Byung Hee Hong
    •  & Han Seok Ko
  • Letter |

    A superconducting field-effect transistor was demonstrated with a structure made of different Bardeen–Cooper–Schrieffer superconductors.

    • Giorgio De Simoni
    • , Federico Paolucci
    • , Paolo Solinas
    • , Elia Strambini
    •  & Francesco Giazotto
  • Letter |

    Few-layer semiconducting Cr2Ge2Te6 shows bipolar gate-tuned magnetism below its ferromagnetic Curie temperature.

    • Zhi Wang
    • , Tongyao Zhang
    • , Mei Ding
    • , Baojuan Dong
    • , Yanxu Li
    • , Maolin Chen
    • , Xiaoxi Li
    • , Jianqi Huang
    • , Hanwen Wang
    • , Xiaotian Zhao
    • , Yong Li
    • , Da Li
    • , Chuankun Jia
    • , Lidong Sun
    • , Huaihong Guo
    • , Yu Ye
    • , Dongming Sun
    • , Yuansen Chen
    • , Teng Yang
    • , Jing Zhang
    • , Shimpei Ono
    • , Zheng Han
    •  & Zhidong Zhang
  • Letter |

    Palladium atoms hosted in exfoliated graphitic carbon nitride display improved activity, selectivity and stability compared to state-of-the-art homogeneous and heterogeneous catalysts for Suzuki coupling reactions.

    • Zupeng Chen
    • , Evgeniya Vorobyeva
    • , Sharon Mitchell
    • , Edvin Fako
    • , Manuel A. Ortuño
    • , Núria López
    • , Sean M. Collins
    • , Paul A. Midgley
    • , Sylvia Richard
    • , Gianvito Vilé
    •  & Javier Pérez-Ramírez
  • Letter |

    Energy-looping excitation in lanthanide-doped upconverting nanoparticles enables low-threshold continuous-wave lasing in stand-alone microcavities.

    • Angel Fernandez-Bravo
    • , Kaiyuan Yao
    • , Edward S. Barnard
    • , Nicholas J. Borys
    • , Elizabeth S. Levy
    • , Bining Tian
    • , Cheryl A. Tajon
    • , Luca Moretti
    • , M. Virginia Altoe
    • , Shaul Aloni
    • , Kenes Beketayev
    • , Francesco Scotognella
    • , Bruce E. Cohen
    • , Emory M. Chan
    •  & P. James Schuck
  • Letter |

    The power output of a thermophotovoltaic device featuring an emitter and a photovoltaic cell increases by more than an order of magnitude when the gap size between the emitter and the cell is reduced to the nanoscale.

    • Anthony Fiorino
    • , Linxiao Zhu
    • , Dakotah Thompson
    • , Rohith Mittapally
    • , Pramod Reddy
    •  & Edgar Meyhofer
  • Letter |

    A graphene–hBN heterostructure integrated onto a photonic crystal cavity shows enhanced bolometric response owing to improved light absorption and ultrafast thermal relaxation time.

    • Dmitri K. Efetov
    • , Ren-Jye Shiue
    • , Yuanda Gao
    • , Brian Skinner
    • , Evan D. Walsh
    • , Hyeongrak Choi
    • , Jiabao Zheng
    • , Cheng Tan
    • , Gabriele Grosso
    • , Cheng Peng
    • , James Hone
    • , Kin Chung Fong
    •  & Dirk Englund
  • Letter |

    A switchable electrokinetic nanovalving mechanism is capable of isolating a wide variety of single nanoscopic entities, down to single macromolecules, from an ensemble, and guiding, confining, releasing and sorting them in a broad range of ionic salt concentrations, up to biological buffer levels.

    • Patric Eberle
    • , Christian Höller
    • , Philipp Müller
    • , Maarit Suomalainen
    • , Urs F. Greber
    • , Hadi Eghlidi
    •  & Dimos Poulikakos
  • Letter |

    A new superlattice fabrication process on 2D material heterostructures enables the observation of replica Dirac cones in graphene as well as Hofstadter’s fractal magnetic spectrum under triangular and square superlattice symmetries.

    • Carlos Forsythe
    • , Xiaodong Zhou
    • , Kenji Watanabe
    • , Takashi Taniguchi
    • , Abhay Pasupathy
    • , Pilkyung Moon
    • , Mikito Koshino
    • , Philip Kim
    •  & Cory R. Dean
  • Letter |

    Electrostatic doping in vertical van der Waals CrI3–graphene heterostructures provides means to control the magnetic properties of monolayer and bilayer CrI3.

    • Shengwei Jiang
    • , Lizhong Li
    • , Zefang Wang
    • , Kin Fai Mak
    •  & Jie Shan
  • Letter |

    Protein-actuated clustering of magnetic nanoparticles enables MRI-based measurement of extracellular calcium ion dynamics in the living rodent brain.

    • Satoshi Okada
    • , Benjamin B. Bartelle
    • , Nan Li
    • , Vincent Breton-Provencher
    • , Jiyoung J. Lee
    • , Elisenda Rodriguez
    • , James Melican
    • , Mriganka Sur
    •  & Alan Jasanoff
  • Letter |

    Electrical control of magnetism in a bilayer of CrI3 enables the realization of an electrically driven magnetic phase transition and the observation of the magneto-optical Kerr effect in 2D magnets.

    • Bevin Huang
    • , Genevieve Clark
    • , Dahlia R. Klein
    • , David MacNeill
    • , Efrén Navarro-Moratalla
    • , Kyle L. Seyler
    • , Nathan Wilson
    • , Michael A. McGuire
    • , David H. Cobden
    • , Di Xiao
    • , Wang Yao
    • , Pablo Jarillo-Herrero
    •  & Xiaodong Xu
  • Letter |

    A new matrix engineering strategy enables improvements of CQD solar cell efficiency via considerable enhancement of the photocarrier diffusion length.

    • Jixian Xu
    • , Oleksandr Voznyy
    • , Mengxia Liu
    • , Ahmad R. Kirmani
    • , Grant Walters
    • , Rahim Munir
    • , Maged Abdelsamie
    • , Andrew H. Proppe
    • , Amrita Sarkar
    • , F. Pelayo García de Arquer
    • , Mingyang Wei
    • , Bin Sun
    • , Min Liu
    • , Olivier Ouellette
    • , Rafael Quintero-Bermudez
    • , Jie Li
    • , James Fan
    • , Lina Quan
    • , Petar Todorovic
    • , Hairen Tan
    • , Sjoerd Hoogland
    • , Shana O. Kelley
    • , Morgan Stefik
    • , Aram Amassian
    •  & Edward H. Sargent
  • Letter |

    Electron holography enables direct experimental verification of the existence of chiral bobbers in thin films of chiral magnets.

    • Fengshan Zheng
    • , Filipp N. Rybakov
    • , Aleksandr B. Borisov
    • , Dongsheng Song
    • , Shasha Wang
    • , Zi-An Li
    • , Haifeng Du
    • , Nikolai S. Kiselev
    • , Jan Caron
    • , András Kovács
    • , Mingliang Tian
    • , Yuheng Zhang
    • , Stefan Blügel
    •  & Rafal E. Dunin-Borkowski
  • Letter |

    The ring of a rotaxane molecule traverses a polymer track picking up leucine amino acids and synthesizing a homo-leucine oligomer, which in turn folds into an alpha helix and catalyses a chemical reaction.

    • Guillaume De Bo
    • , Malcolm A. Y. Gall
    • , Sonja Kuschel
    • , Julien De Winter
    • , Pascal Gerbaux
    •  & David A. Leigh
  • Letter |

    Switching of antiferromagnetic domains by the propagation of domain walls is demonstrated using electrical current-induced torques.

    • Peter Wadley
    • , Sonka Reimers
    • , Michal J. Grzybowski
    • , Carl Andrews
    • , Mu Wang
    • , Jasbinder S. Chauhan
    • , Bryan L. Gallagher
    • , Richard P. Campion
    • , Kevin W. Edmonds
    • , Sarnjeet S. Dhesi
    • , Francesco Maccherozzi
    • , Vit Novak
    • , Joerg Wunderlich
    •  & Tomas Jungwirth
  • Letter |

    Intercalation of copper and cobalt atoms into n-type SnS2 enables seamless integration of metal, and n- and p-type semiconductors in one parent 2D material.

    • Yongji Gong
    • , Hongtao Yuan
    • , Chun-Lan Wu
    • , Peizhe Tang
    • , Shi-Ze Yang
    • , Ankun Yang
    • , Guodong Li
    • , Bofei Liu
    • , Jorik van de Groep
    • , Mark L. Brongersma
    • , Matthew F. Chisholm
    • , Shou-Cheng Zhang
    • , Wu Zhou
    •  & Yi Cui
  • Letter |

    Reducing the dimensionality of paramagnetic VSe2 results in the emergence of ferromagnetism that is observed in a monolayer and up to room temperature.

    • Manuel Bonilla
    • , Sadhu Kolekar
    • , Yujing Ma
    • , Horacio Coy Diaz
    • , Vijaysankar Kalappattil
    • , Raja Das
    • , Tatiana Eggers
    • , Humberto R. Gutierrez
    • , Manh-Huong Phan
    •  & Matthias Batzill
  • Letter |

    Electron holography allows the selective orbital occupation and spatial quantum confinement of electrons at the interface between two oxide insulators to be resolved.

    • Kyung Song
    • , Sangwoo Ryu
    • , Hyungwoo Lee
    • , Tula R. Paudel
    • , Christoph T. Koch
    • , Bumsu Park
    • , Ja Kyung Lee
    • , Si-Young Choi
    • , Young-Min Kim
    • , Jong Chan Kim
    • , Hu Young Jeong
    • , Mark S. Rzchowski
    • , Evgeny Y. Tsymbal
    • , Chang-Beom Eom
    •  & Sang Ho Oh
  • Letter |

    A self-assembled modular siRNA delivery platform enables the construction of a theoretically unlimited repertoire of carriers to target distinct cell surface receptors in the service of personalized medicine.

    • Ranit Kedmi
    • , Nuphar Veiga
    • , Srinivas Ramishetti
    • , Meir Goldsmith
    • , Daniel Rosenblum
    • , Niels Dammes
    • , Inbal Hazan-Halevy
    • , Limor Nahary
    • , Shani Leviatan-Ben-Arye
    • , Michael Harlev
    • , Mark Behlke
    • , Itai Benhar
    • , Judy Lieberman
    •  & Dan Peer
  • Letter |

    Proton transport through catalytically activated graphene membranes can be strongly enhanced by visible light.

    • Marcelo Lozada-Hidalgo
    • , Sheng Zhang
    • , Sheng Hu
    • , Vasyl G. Kravets
    • , Francisco J. Rodriguez
    • , Alexey Berdyugin
    • , Alexander Grigorenko
    •  & Andre K. Geim
  • Letter |

    Layer-stacking domain walls in bi- and trilayer graphene are engineered individually and moved, erased and mechanically split by means of an atomic force microscope tip.

    • Lili Jiang
    • , Sheng Wang
    • , Zhiwen Shi
    • , Chenhao Jin
    • , M. Iqbal Bakti Utama
    • , Sihan Zhao
    • , Yuen-Ron Shen
    • , Hong-Jun Gao
    • , Guangyu Zhang
    •  & Feng Wang
  • Letter |

    Formation of a homogeneous two-dimensional electron gas in transition metal dichalcogenide heterostructures allows for efficient electrical control of charge carriers and excitons.

    • Ke Wang
    • , Kristiaan De Greve
    • , Luis A. Jauregui
    • , Andrey Sushko
    • , Alexander High
    • , You Zhou
    • , Giovanni Scuri
    • , Takashi Taniguchi
    • , Kenji Watanabe
    • , Mikhail D. Lukin
    • , Hongkun Park
    •  & Philip Kim
  • Letter |

    Nanowire devices exhibiting ballistic transport show characteristics of Majorana modes, ruling out alternative explanations other than topological superconductivity.

    • Önder Gül
    • , Hao Zhang
    • , Jouri D. S. Bommer
    • , Michiel W. A. de Moor
    • , Diana Car
    • , Sébastien R. Plissard
    • , Erik P. A. M. Bakkers
    • , Attila Geresdi
    • , Kenji Watanabe
    • , Takashi Taniguchi
    •  & Leo P. Kouwenhoven
  • Letter |

    A field-effect MoS<Subscript>2</Subscript> transistor with a negative capacitor in its gate shows stable, hysteresis-free performance characterized by a sub-thermionic sub-threshold slope.

    • Mengwei Si
    • , Chun-Jung Su
    • , Chunsheng Jiang
    • , Nathan J. Conrad
    • , Hong Zhou
    • , Kerry D. Maize
    • , Gang Qiu
    • , Chien-Ting Wu
    • , Ali Shakouri
    • , Muhammad A. Alam
    •  & Peide D. Ye
  • Letter |

    Quantum control on an isotopically enriched Si spin qubit is demonstrated with ultrahigh gate fidelities and long coherence times —  even in the presence of sizeable charge noise.

    • Jun Yoneda
    • , Kenta Takeda
    • , Tomohiro Otsuka
    • , Takashi Nakajima
    • , Matthieu R. Delbecq
    • , Giles Allison
    • , Takumu Honda
    • , Tetsuo Kodera
    • , Shunri Oda
    • , Yusuke Hoshi
    • , Noritaka Usami
    • , Kohei M. Itoh
    •  & Seigo Tarucha
  • Letter |

    A calorimetry technique with picowatt sensitivity enables the experimental observation of cooling in molecular junctions.

    • Longji Cui
    • , Ruijiao Miao
    • , Kun Wang
    • , Dakotah Thompson
    • , Linda Angela Zotti
    • , Juan Carlos Cuevas
    • , Edgar Meyhofer
    •  & Pramod Reddy
  • Letter |

    The rectification ratio of a molecular junction made of a self-assembled monolayer of di-nuclear ruthenium-complex molecules can be varied by more than three orders of magnitude by controlling relative humidity.

    • Huseyin Atesci
    • , Veerabhadrarao Kaliginedi
    • , Jose A. Celis Gil
    • , Hiroaki Ozawa
    • , Joseph M. Thijssen
    • , Peter Broekmann
    • , Masa-aki Haga
    •  & Sense Jan van der Molen
  • Letter |

    The spin accumulation in graphene can be enhanced by a thermal gradient as a result of a thermoelectric spin voltage owing to an effective spin-dependent Seebeck coefficient.

    • Juan F. Sierra
    • , Ingmar Neumann
    • , Jo Cuppens
    • , Bart Raes
    • , Marius V. Costache
    •  & Sergio O. Valenzuela