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Publications

Featured Publications

Tunnel junctions based on interfacial two dimensional ferroelectrics

Yunze Gao, Astrid Weston, Vladimir Enaldiev, Xiao Li, Wendong Wang, James E. Nunn, Isaac Soltero, Eli G. Castanon, Amy Carl, Hugo De Latour, Alex Summerfield, Matthew Hamer, James Howarth, Nicholas Clark, Neil R. Wilson, Andrey V. Kretinin, Vladimir I. Fal’ko & Roman Gorbachev

Nat Commun 15, 4449 (2024)

Clean assembly of van der Waals heterostructures using silicon nitride membranes

Wendong Wang, Nicholas Clark, Matthew Hamer, Amy Carl, Endre Tovari, Sam Sullivan-Allsop, Evan Tillotson, Yunze Gao, Hugo de Latour, Francisco Selles, James Howarth, Eli G. Castanon, Mingwei Zhou, Haoyu Bai, Xiao Li, Astrid Weston, Kenji Watanabe, Takashi Taniguchi, Cecilia Mattevi, Thomas H. Bointon, Paul V. Wiper, Andrew J. Strudwick, Leonid A. Ponomarenko, Andrey V. Kretinin, …Roman Gorbachev

Nat Electron 6, 981–990 (2023)

Tracking single adatoms in liquid in a transmission electron microscope

Nick Clark, Daniel J. Kelly, Mingwei Zhou, Yi-Chao Zou, Chang Woo Myung, David G. Hopkinson, Christoph Schran, Angelos Michaelides, Roman Gorbachev & Sarah J. Haigh

Nature 609, 942–947 (2022)

Interfacial ferroelectricity in marginally twisted 2D semiconductors

Astrid Weston, Eli G. Castanon, Vladimir Enaldiev, Fábio Ferreira, Shubhadeep Bhattacharjee, Shuigang Xu, Héctor Corte-León, Zefei Wu, Nicholas Clark, Alex Summerfield, Teruo Hashimoto, Yunze Gao, Wendong Wang, Matthew Hamer, Harriet Read, Laura Fumagalli, Andrey V. Kretinin, Sarah J. Haigh, Olga Kazakova, A. K. Geim, Vladimir I. Fal’ko & Roman Gorbachev

Nat. Nanotechnol. 17, 390–395 (2022)

Atomic reconstruction in twisted bilayers of transition metal dichalcogenides

Astrid Weston, Yichao Zou, Vladimir Enaldiev, Alex Summerfield, Nicholas Clark, Viktor Zólyomi, Abigail Graham, Celal Yelgel, Samuel Magorrian, Mingwei Zhou, Johanna Zultak, David Hopkinson, Alexei Barinov, Thomas H. Bointon, Andrey Kretinin, Neil R. Wilson, Peter H. Beton, Vladimir I. Fal’ko, Sarah J. Haigh & Roman Gorbachev

Nat. Nanotechnol. 15, 592–597 (2020)

2024

In Situ Gas and Liquid Cell Imaging and Spectroscopy of Nanocatalysts

Sarah J Haigh, Nick Clark, Sam Sullivan Allop, Rui Zhang, Matthew Lindley, Rongsheng Cai, Thomas Slater, Roman Gorbachev

Microscopy and Microanalysis, Volume 30, Issue Supplement_1, July 2024, ozae044.690,

Homotrilayer MoSe2 for increased lifetime and oscillator strength of hybridized interlayer excitons

Charalambos Louca, Francesco Gucci, Armando Genco, David Ruiz-Tijerina, Johanna Zultak, Cristina Cruciano, Roman V. Gorbachev, Alexander I. Tartakovskii, Stefano Dal Conte, Giulio Cerullo

Proc. SPIE PC12992, Advances in Ultrafast Condensed Phase Physics IV, PC1299205 (2024)

 

Tunnel junctions based on interfacial two dimensional ferroelectrics

Yunze Gao, Astrid Weston, Vladimir Enaldiev, Xiao Li, Wendong Wang, James E. Nunn, Isaac Soltero, Eli G. Castanon, Amy Carl, Hugo De Latour, Alex Summerfield, Matthew Hamer, James Howarth, Nicholas Clark, Neil R. Wilson, Andrey V. Kretinin, Vladimir I. Fal’ko & Roman Gorbachev

Nat Commun 15, 4449 (2024)

One-dimensional proximity superconductivity in the quantum Hall regime

Julien Barrier, Minsoo Kim, Roshan Krishna Kumar, Na Xin, P. Kumaravadivel, Lee Hague, E. Nguyen, A. I. Berdyugin, Christian Moulsdale, V. V. Enaldiev, J. R. Prance, F. H. L. Koppens, R. V. Gorbachev, K. Watanabe, T. Taniguchi, L. I. Glazman, I. V. Grigorieva, V. I. Fal’ko & A. K. Geim

Nature 628, 741–745 (2024)

2023

A metallized silicon nitride membrane for clean 2D heterostructure assembly

Roman Gorbachev & Nicholas Clark

Nat Electron 6, 947–948 (2023)

Clean assembly of van der Waals heterostructures using silicon nitride membranes

Wendong Wang, Nicholas Clark, Matthew Hamer, Amy Carl, Endre Tovari, Sam Sullivan-Allsop, Evan Tillotson, Yunze Gao, Hugo de Latour, Francisco Selles, James Howarth, Eli G. Castanon, Mingwei Zhou, Haoyu Bai, Xiao Li, Astrid Weston, Kenji Watanabe, Takashi Taniguchi, Cecilia Mattevi, Thomas H. Bointon, Paul V. Wiper, Andrew J. Strudwick, Leonid A. Ponomarenko, Andrey V. Kretinin, Sarah J. Haigh, Alex Summerfield & Roman Gorbachev

Nat Electron 6, 981–990 (2023)

Thermopower in hBN/graphene/hBN superlattices

Victor H. Guarochico-Moreira, Christopher R. Anderson, Vladimir Fal'ko, Irina V. Grigorieva, Endre Tóvári, Matthew Hamer, Roman Gorbachev, Song Liu, James H. Edgar, Alessandro Principi, Andrey V. Kretinin & Ivan J. Vera-Marun

Phys. Rev. B 108, 115418 (2023)

Nanoscale Disorder and Deintercalation Evolution in K‐Doped MoS2 Analysed Via In Situ TEM

Shouqi Shao, Gareth R.M. Tainton, W. J. Kuang, Nick Clark, Roman Gorbachev, Alexander Eggeman, Irina V. Grigorieva, Daniel J. Kelly & Sarah J. Haigh

Adv. Funct. Mater. 33 (30), 2214390

Interspecies exciton interactions lead to enhanced nonlinearity of dipolar excitons and polaritons in MoS2 homobilayers

Charalambos Louca, Armando Genco, Salvatore Chiavazzo, Thomas P. Lyons, Sam Randerson, Chiara Trovatello, Peter Claronino, Rahul Jayaprakash, Xuerong Hu, James Howarth, Kenji Watanabe, Takashi Taniguchi, Stefano Dal Conte, Roman Gorbachev, David G. Lidzey, Giulio Cerullo, Oleksandr Kyriienko & Alexander I. Tartakovskii

Nat Commun 14, 3818 (2023)

ARPES signatures of few-layer twistronic graphenes

James E Nunn, Andrew McEllistrim, Astrid Weston, Aitor Garcia-Ruiz, Matthew D Watson, Marcin Mucha-Kruczynski, Cephise Cacho, Roman V Gorbachev, Vladimir I Fal’ko & Neil R Wilson

Nano Lett. 23, 11, 5201–5208 (2023)

Mapping quantum Hall edge states in graphene by scanning tunneling microscopy

Tjorven Johnsen, Christoph Schattauer, Sayanti Samaddar, Astrid Weston, MJ Hamer, Kenji Watanabe, Takashi Taniguchi, Roman Gorbachev, Florian Libisch & Markus Morgenstern

Phys. Rev. B 107, 115426 (2023)

2022

Polymer-free assembly of ultraclean van der Waals heterostructures

Wendong Wang

Nat Rev Phys 4, 504 (2022)

Tracking single adatoms in liquid in a transmission electron microscope

Nick Clark, Daniel J. Kelly, Mingwei Zhou, Yi-Chao Zou, Chang Woo Myung, David G. Hopkinson, Christoph Schran, Angelos Michaelides, Roman Gorbachev & Sarah J. Haigh

Nature 609, 942–947 (2022)

Dynamic Atomic Behaviour, Ion Exchange and Chemical Synthesis Studied Using our Liquid Cell 2D Material Heterostructures and Scanning Transmission Electron Microscopy

Sarah J Haigh, Nick Clark, Yi-chao Zou, Daniel Kelly, Lucas Mogg, Marcelo Lozada Hidalgo & Roman Gorbachev

Microscopy and Microanalysis 28 (S1), 2288-2289 (2022)

Interfacial ferroelectricity in marginally twisted 2D semiconductors

Astrid Weston, Eli G. Castanon, Vladimir Enaldiev, Fábio Ferreira, Shubhadeep Bhattacharjee, Shuigang Xu, Héctor Corte-León, Zefei Wu, Nicholas Clark, Alex Summerfield, Teruo Hashimoto, Yunze Gao, Wendong Wang, Matthew Hamer, Harriet Read, Laura Fumagalli, Andrey V. Kretinin, Sarah J. Haigh, Olga Kazakova, A. K. Geim, Vladimir I. Fal’ko & Roman Gorbachev

Nat. Nanotechnol. 17, 390–395 (2022)

Moiré Superlattice Effects and Band Structure Evolution in Near-30-Degree Twisted Bilayer Graphene

Matthew J. Hamer, Alessio Giampietri, Viktor Kandyba, Francesca Genuzio, Tevfik O. Menteş, Andrea Locatelli, Roman V. Gorbachev, Alexei Barinov & Marcin Mucha-Kruczyński

ACS Nano 16, 2, 1954–1962 (2022)

2021

Ion exchange in atomically thin clays and micas

Yi-Chao Zou, Lucas Mogg, Nick Clark, Cihan Bacaksiz, Slavisa Milovanovic, Vishnu Sreepal, Guang-Ping Hao, Yi-Chi Wang, David G. Hopkinson, Roman Gorbachev, Samuel Shaw, Kostya S. Novoselov, Rahul Raveendran-Nair, Francois M. Peeters, Marcelo Lozada-Hidalgo & Sarah J. Haigh

Nat. Mater. 20, 1677–1682 (2021)

Magic under the microscope

Sarah J. Haigh & Roman Gorbachev

Nat. Mater. 20, 908–909 (2021)

In Situ TEM Imaging of Solution-Phase Chemical Reactions Using 2D-Heterostructure Mixing Cells

Daniel J. Kelly, Nick Clark, Mingwei Zhou, Denis Gebauer, Roman V. Gorbachev & Sarah J. Haigh

Adv. Mater. 33, 29, 2100668 (2021)

Chlorosulfuric acid-assisted production of functional 2D materials

Mohsen Moazzami Gudarzi, Maryana Asaad, Boyang Mao, Gergo Pinter, Jianqiang Guo, Matthew Smith, Xiangli Zhong, Thanasis Georgiou, Roman Gorbachev, Sarah J. Haigh, Kostya S. Novoselov & Andrey V. Kretinin

npj 2D Mater Appl 5, 35 (2021)

Nanometre imaging of Fe3GeTe2 ferromagnetic domain walls

David G Hopkinson, Takehito Seki, Nicholas Clark, Runze Chen, Yichao Zou, Ayumi Kimura, Roman V Gorbachev, Thomas Thomson, Naoya Shibata & Sarah J Haigh

Nanotechnology 32, 205703 (2021)

Raman spectroscopy of GaSe and InSe post-transition metal chalcogenides layers

Maciej R Molas, Anastasia V Tyurnina, Viktor Zólyomi, Anna K Ott, Daniel J Terry, Matthew J Hamer, Celal Yelgel, Adam Babiński, Albert G Nasibulin, Andrea C Ferrari, Vladimir I Fal’ko & Roman Gorbachev

Faraday Discuss. 227, 163-170 (2021)

2020

Long-range ballistic transport of Brown-Zak fermions in graphene superlattices

Julien Barrier, Piranavan Kumaravadivel, Roshan Krishna Kumar, LA Ponomarenko, Na Xin, Matthew Holwill, Ciaran Mullan, Minsoo Kim, RV Gorbachev, MD Thompson, JR Prance, T Taniguchi, K Watanabe, IV Grigorieva, KS Novoselov, Artem Mishchenko, VI Fal’ko, AK Geim, AI Berdyugin

Nat Commun 11, 5756 (2020)

Ghost anti-crossings caused by interlayer umklapp hybridization of bands in 2D heterostructures

Abigail J Graham, Johanna Zultak, Matthew J Hamer, Viktor Zolyomi, Samuel Magorrian, Alexei Barinov, Viktor Kandyba, Alessio Giampietri, Andrea Locatelli, Francesca Genuzio, Natalie C Teutsch, Cuauhtemoc Salazar, Nicholas DM Hine, Vladimir I Fal’ko, Roman V Gorbachev, Neil R Wilson

2D Mater. 8, 015016 (2020)

Atomic Resolution Imaging of CrBr3 Using Adhesion-Enhanced Grids

Matthew J Hamer, David G Hopkinson, Nick Clark, Mingwei Zhou, Wendong Wang, Yichao Zou, Daniel J Kelly, Thomas H Bointon, Sarah J Haigh & Roman V Gorbachev

Nano Lett. 20, 9, 6582–6589 (2020)

Harnessing the Electron Beam to Study Reactions in Graphene Liquid Cells and Degradation in Sensitive 2D Materials

Sarah Haigh, David Hopkinson, Daniel Kelly, Nick Clark, Yichao Zou & Roman Gorbachev

Microscopy and Microanalysis 26, S2, 538–541 (2020)

Twist and Bend in Van Der Waals Materials and 2D Stacked Heterostructures

Sarah Haigh, Yichao Zou, Astrid Weston, Nick Clark, Roman Gorbachev, Aidan Rooney, Robert Young & Zheling Li

Microscopy and Microanalysis 26, S2, 856–858 (2020)

Atomic reconstruction in twisted bilayers of transition metal dichalcogenides

Astrid Weston, Yichao Zou, Vladimir Enaldiev, Alex Summerfield, Nicholas Clark, Viktor Zólyomi, Abigail Graham, Celal Yelgel, Samuel Magorrian, Mingwei Zhou, Johanna Zultak, David Hopkinson, Alexei Barinov, Thomas H. Bointon, Andrey Kretinin, Neil R. Wilson, Peter H. Beton, Vladimir I. Fal’ko, Sarah J. Haigh & Roman Gorbachev

Nat. Nanotechnol. 15, 592–597 (2020)

Control of electron-electron interaction in graphene by proximity screening

Minsoo Kim, SG Xu, AI Berdyugin, Alessandro Principi, Sergey Slizovskiy, Na Xin, Piranavan Kumaravadivel, Wenjun Kuang, Matthew Hamer, Roshan Krishna Kumar, RV Gorbachev, Kenji Watanabe, Takashi Taniguchi, IV Grigorieva, VI Fal’ko, Marco Polini & AK Geim

Nat Commun 11, 2339 (2020)

Enhanced Superconductivity in Few-Layer TaS2 due to Healing by Oxygenation

Jonas Bekaert, Ekaterina Khestanova, David G Hopkinson, John Birkbeck, Nick Clark, Mengjian Zhu, Denis A Bandurin, Roman Gorbachev, Simon Fairclough, Yichao Zou, Matthew Hamer, Daniel J Terry, Jonathan JP Peters, Ana M Sanchez, Bart Partoens, Sarah J Haigh, Milorad V Milošević & Irina V Grigorieva

Nano Lett. 20, 5, 3808–3818 (2020)

Design of van der Waals interfaces for broad-spectrum optoelectronics

Nicolas Ubrig, Evgeniy Ponomarev, Johanna Zultak, Daniil Domaretskiy, Viktor Zólyomi, Daniel Terry, James Howarth, Ignacio Gutiérrez-Lezama, Alexander Zhukov, Zakhar R Kudrynskyi, Zakhar D Kovalyuk, Amalia Patané, Takashi Taniguchi, Kenji Watanabe, Roman V Gorbachev, Vladimir I Fal’ko & Alberto F Morpurgo

Nat. Mater. 19, 299–304 (2020)

Ultra-thin van der Waals crystals as semiconductor quantum wells

Johanna Zultak, Samuel J Magorrian, Maciej Koperski, Alistair Garner, Matthew J Hamer, Endre Tóvári, Kostya S Novoselov, Alexander A Zhukov, Yichao Zou, Neil R Wilson, Sarah J Haigh, Andrey V Kretinin, Vladimir I Fal’ko & Roman Gorbachev

Nat Commun 11, 125 (2020)

2019

Composite super-moiré lattices in double-aligned graphene heterostructures

Zihao Wang, Yi Bo Wang, Jun Yin, Endre Tovari, Y Yang, L Lin, Matthew Holwill, John Birkbeck, DJ Perello, Shuigang Xu, Johanna Zultak, RV Gorbachev, AV Kretinin, T Taniguchi, K Watanabe, SV Morozov, M Anđelković, SP Milovanović, L Covaci, FM Peeters, Artem Mishchenko, AK Geim, KS Novoselov, Vladimir I Fal’ko, Angelika Knothe & CR Woods

Nat. Mater. 20, 1677–1682 (2021)

Micromagnetometry of two-dimensional ferromagnets

Minsoo Kim, Piranavan Kumaravadivel, John Birkbeck, Wenjun Kuang, Shuigang G Xu, DG Hopkinson, Johannes Knolle, Paul A McClarty, AI Berdyugin, M Ben Shalom, RV Gorbachev, SJ Haigh, Song Liu, JH Edgar, KS Novoselov, IV Grigorieva & AK Geim

Nat Electron 2, 457–463 (2019)

Liquid-Phase STEM-EDS in Graphene and Silicon Nitride Cells

Daniel J Kelly, Nick Clark, Mingwei Zhou, Matthew Lindley, Edward A Lewis, M Grace Burke, Roman V Gorbachev & Sarah J Haigh

Microscopy and Microanalysis 25, S2 1500-1501 (2019)

Niobium diselenide superconducting photodetectors

Gavin J Orchin, Domenico De Fazio, Angelo Di Bernardo, Matthew Hamer, Duhee Yoon, Alisson R Cadore, Ilya Goykhman, Kenji Watanabe, Takashi Taniguchi, Jason WA Robinson, Roman V Gorbachev, Andrea C Ferrari & Robert H Hadfield

Appl. Phys. Lett. 114, 251103 (2019)

Formation and Healing of Defects in Atomically Thin GaSe and InSe

David G Hopkinson, Viktor Zólyomi, Aidan P Rooney, Nick Clark, Daniel J Terry, Matthew Hamer, David J Lewis, Christopher S Allen, Angus I Kirkland, Yuri Andreev, Zakhar Kudrynskyi, Zakhar Kovalyuk, Amalia Patanè, Vladimir I Fal’ko, Roman Gorbachev & Sarah J Haigh

ACS Nano 13, 5, 5112–5123

Resonantly hybridized excitons in moiré superlattices in van der Waals heterostructures

Evgeny M Alexeev, David A Ruiz-Tijerina, Mark Danovich, Matthew J Hamer, Daniel J Terry, Pramoda K Nayak, Seongjoon Ahn, Sangyeon Pak, Juwon Lee, Jung Inn Sohn, Maciej R Molas, Maciej Koperski, Kenji Watanabe, Takashi Taniguchi, Kostya S Novoselov, Roman V Gorbachev, Hyeon Suk Shin, Vladimir I Fal’ko & Alexander I Tartakovskii

Nature 567, 81–86 (2019)

Indirect to Direct Gap Crossover in Two-Dimensional InSe Revealed by Angle-Resolved Photoemission Spectroscopy

Matthew J Hamer, Johanna Zultak, Anastasia V Tyurnina, Viktor Zólyomi, Daniel Terry, Alexei Barinov, Alistair Garner, Jack Donoghue, Aidan P Rooney, Viktor Kandyba, Alessio Giampietri, Abigail Graham, Natalie Teutsch, Xue Xia, Maciej Koperski, Sarah J Haigh, Vladimir I Fal’Ko, Roman V Gorbachev & Neil R Wilson

ACS Nano 13, 2, 2136–2142 (2019)

Field-induced insulating states in a graphene superlattice

S Pezzini, S Wiedmann, A Mishchenko, M Holwill, R Gorbachev, D Ghazaryan, KS Novoselov, U Zeitler

Phys. Rev. B 99, 045440 (2019)

2018

Optical second harmonic generation in encapsulated single-layer InSe

Nadine Leisgang, Jonas G Roch, Guillaume Froehlicher, Matthew Hamer, Daniel Terry, Roman Gorbachev & Richard J Warburton

AIP Advances 8, 105120 (2018)​

Infrared-to-violet tunable optical activity in atomic films of GaSe, InSe, and their heterostructures

Daniel J Terry, Viktor Zólyomi, Matthew Hamer, Anastasia V Tyurnina, David G Hopkinson, Alexander M Rakowski, Samuel J Magorrian, Nick Clark, Yuri M Andreev, Olga Kazakova, Konstantin Novoselov, Sarah J Haigh, Vladimir I Fal’ko & Roman Gorbachev

2D Materials 5, 4 (2018)

Anomalous twin boundaries in two dimensional materials

AP Rooney, Zheling Li, Wen Zhao, Ali Gholinia, Aleksey Kozikov, G Auton, Feng Ding, RV Gorbachev, RJ Young & SJ Haigh

Nat Commun 9, 3597 (2018)

Scalable Patterning of Encapsulated Black Phosphorus

Nick Clark, Lan Nguyen, Matthew J Hamer, Fredrik Schedin, Edward A Lewis, Eric Prestat, Alistair Garner, Yang Cao, Mengjian Zhu, Reza Kashtiban, Jeremy Sloan, Demie Kepaptsoglou, Roman V Gorbachev & Sarah J Haigh

Nano Lett. 18, 9, 5373–5381 (2018)

Magnetotransport and lateral confinement in an InSe van der Waals Heterostructure

Yongjin Lee, Riccardo Pisoni, Hiske Overweg, Marius Eich, Peter Rickhaus, Amalia Patanè, Zakhar R Kudrynskyi, Zakhar D Kovalyuk, Roman Gorbachev, Kenji Watanabe, Takashi Taniguchi, Thomas Ihn & Klaus Ensslin

2D Materials 5, 3, 035040 (2018)

Gate-Defined Quantum Confinement in InSe-Based van der Waals Heterostructures

Matthew Hamer, Endre Tóvári, Mengjian Zhu, Michael D Thompson, Alexander Mayorov, Jonathon Prance, Yongjin Lee, Richard P Haley, Zakhar R Kudrynskyi, Amalia Patanè, Daniel Terry, Zakhar D Kovalyuk, Klaus Ensslin, Andrey V Kretinin, Andre Geim & Roman Gorbachev

Nano Lett. 18, 6, 3950–3955 (2018)

Large tunable valley splitting in edge-free graphene quantum dots on boron nitride

Nils M Freitag, Tobias Reisch, Larisa A Chizhova, Péter Nemes-Incze, Christian Holl, Colin R Woods, Roman V Gorbachev, Yang Cao, Andre K Geim, Kostya S Novoselov, Joachim Burgdörfer, Florian Libisch & Markus Morgenstern

Nature Nanotech 13, 392–397 (2018)

Graphene as a local probe to investigate near-field properties of plasmonic nanostructures

Sören Wasserroth, Timo Bisswanger, Niclas S. Mueller, Patryk Kusch, Sebastian Heeg, Nick Clark, Fredrik Schedin, Roman Gorbachev, and Stephanie Reich

Phys. Rev. B 97, 155417

Unusual Suppression of the Superconducting Energy Gap and Critical Temperature in Atomically Thin NbSe2

Ekaterina Khestanova, John Birkbeck, Mengjian Zhu, Yang Cao, GL Yu, Davit Ghazaryan, Jun Yin, Helmuth Berger, Laszlo Forro, Takashi Taniguchi, Kenji Watanabe, Roman V Gorbachev, Artem Mishchenko, Andre K Geim, Irina V Grigorieva

Nano letters 18 (4), 2623-2629

Nanometer Resolution Elemental Mapping in Graphene-Based TEM Liquid Cells

Daniel J Kelly, Mingwei Zhou, Nick Clark, Matthew J Hamer, Edward A Lewis, Alexander M Rakowski, Sarah J Haigh, Roman V Gorbachev

Nano letters 18 (2), 1168-1174

Recent progress in the assembly of nanodevices and van der Waals heterostructures by deterministic placement of 2D materials

Riccardo Frisenda, Efrén Navarro-Moratalla, Patricia Gant, David Pérez De Lara, Pablo Jarillo-Herrero, Roman V Gorbachev, Andres Castellanos-Gomez

Chemical Society Reviews 47 (1), 53-68

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