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Principal investigator

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Asst. Prof. Martial Duchamp received his Master of Engineering and Research degree from the Ecole Nationale Supérieure de Physique, Grenoble (ENSPG-INPG), France in 2005 and a Ph.D. degree from the Physic department at the Ecole Polytechnique Fédérale Lausanne (EPFL), Switzerland in 2009, where he studied the growth, electrical and mechanical properties of ZnO nanowires. After postdoctoral research at Danmarks Tekniske Universitet (DTU), Copenhagen, Denmark, he joined the Research Center Jülich in The Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C) institute in 2011, where he investigated devices in operando a TEM using various TEM techniques, mainly focusing on the chemical analysis of very low dopant concentrations and high resolution imaging. In 2016, he joined NTU as an Assistant Professor.

Current Research Interests
  • Development of Transmission Electron Microscopy (TEM) techniques
  • In-situ and operando TEM experiments of electrically contacted devices
  • Low temperature TEM experiments
  • Study of 2D-materials including graphene and 2D TMDS in-situ a TEM
  • Applications of various TEM techniques to material science problems.

Research Fellows

Aaron
Dr. Aaron D. Mueller received his master’s and bachelor’s degrees in electrical engineering from the University of Wisconsin-Milwaukee in 2012 and 2010, respectively. His research there involved fiber optic current sensing using a magnetostrictive transducer. In 2014, he came to NTU to pursue a PhD in the school of Electrical and Electronic Engineering (EEE), developing processes combining electron beam lithography and electrodeposition for the fabrication of plasmonic substrates for sensing applications. Awaiting his thesis defense, he joined Asst. Prof. Martial Duchamp’s group, focusing on design and fabrication of novel electron optical components for enhanced TEM characterization.

Sankar
Dr. P. S. Sankara Rama Krishnan, is currently Research Fellow at School of Materials Science and Engineering Nanyang Technological University, Singapore. He holds masters degree (Master of Technology) from Anna University, Chennai, India and Ph.D. from The University of New South Wales (UNSW), Sydney, Australia. During his PhD, he characterized oxide thin films hetero-epitaxial interfaces at atomic resolution using aberration corrected STEM. After PhD, he joined Tokyo Institute of Technology as JSPS fellow for two years and continued using analytical electron microscopy techniques for structural investigation of functional oxides thin films and nanostructures to establish the microstructure-structural property relationship. His current area of research is focussed on microstructure analysis and investigation of functional oxides, metals and alloys using TEM, STEM, STEM-EDS, STEM-EELS and in-situ microscopy techniques.

Anastasia
Dr. Anastasia Shebanova received her master’s degree in biophysics from Lomonosov Moscow State University, Russia, in 2008, second level master’s degree in nanobiotechnology from University of Genoa, Italy, in 2010 and PhD degree in cell biology from Lomonosov Moscow State University, Russia, in 2017. During her PhD, she studied biological objects using analytical TEM. After PhD, she joined Duke-NUS to work on structural characterization of flaviviruses by cryo-EM. In 2020, she joined NTU as a research fellow, where her research interests are focused on liquid TEM of biological samples.

Anastasia
Dr Romika Sharma holds bachelor’s degree in Electrical and Electronics Engineering from Bits-Pilani, India and Ph.D. from National University of Singapore. During PhD, her research focused on mitigating defects in solar cells. After PhD, she worked on a short-term digitalisation project. The project was supported by SGInnovate’s deeptech initiative, EF. In 2021, she joined NTU as a research fellow, where her research interests are focused on device fabrication and characterization using TEM techniques.

Phd Students

Liza
Elizaveta Tyukalova received her master degree in Applied Physics and Mathematics in 2016 from the Moscow Institute of Physics and Technology (MIPT), Moscow, Russia. During her study, she observed carbon materials obtained after treatment in a high pressure diamond anvil cell by transmission electron microscope (TEM). In 2016, she joined the group of Asst. Prof. Martial Duchamp as a PhD student at NTU. Her present research interests are on applying in situ TEM using high resolution imaging and spectroscopic techniques to study solar cell and battery materials.

Sorina
Sorina Cretu received her Master’s degree in Materials Physics and Nanosciences in 2018 at University of Strasbourg, France. Her studies focused on in situ and operando TEM studies of the copper mobility in Chemical Looping Combustion supported on alumina. In November 2018, she started her PhD at Laboratoire de Reactivite et Chimie des Solides - Universite de Picardie Jules Verne in collaboration with NTU as an exchange student under the supervision of Asst. Prof. Martial Duchamp where her present research interests are on the synthesis of all-solid-state Li-ion batteries and their characterization in situ and operando in a TEM in order to find the parameters that limit their performance.

Pritish
Pritish Mishra received his master's degree in Nanotechnology in 2020 from Central University of Jharkhand, India. He joined Prof. Gururajan's research group at IIT Bombay for his final year project. His master's dissertation focuses on Calculation of elastic stiffness tensor by Molecular Dynamics simulation using fluctuation methods. In January 2021, he joined the group of Asst. Prof. Martial Duchamp as a PhD student. His present research interests are on use of computational and experimental methods for optimisation and synthesis of Perovskite Quantum Dots.

Jeffrey
Jeffrey George received his master's degree in Chemistry from BITS Pilani, India. He did his master’s thesis on conversion of Glycerol to Epichlorohydrin conversion using metal oxide nano catalysts. He joined Assoc. Prof. Ali Miserez's and Asst. Prof. Martial Duchamp’s groups to work on the understanding of Liquid-Liquid phase separation mechanism at nanometer scales - part of a larger Tier 3 project. His present research focuses on using Liquid phase TEM as an analytical tool to get better inside the Liquid-Liquid phase separation of proteins.

Patrick
Patrick Li received his master's degree in Green Chemistry (2020) from Imperial College London. He completed his master’s research project under Prof. Haque, which involved engineering the A-site cation of perovskite solar cells (MAPbI3 thin films) to improve stability. In his BSc degree in Forensic Science (2019) which was completed at University of Kent, UK; he studied doped bismuth ferrite (BiFeO3) ceramics – synthesized using solid-state techniques, with Dr Arnold. He also spent a year working as a technician at PS Analytical (PSA), UK – mainly quality control testing instruments manufactured by PSA, amongst other responsibilities. In January 2021, he joined Asst. Prof. Duchamp’s group to start his PhD, further exploring his interests in perovskites and combining this with his interest in TEM – applying such techniques to solid-state batteries and memristors.

PO and RA

Lan
Nguyen Linh Lan received her bachelor’s degree in 2020 at Nanyang Technological University, Singapore. During her final year project at North Carolina University (NCSU) in Prof. Michael Dickney’s group, she studied the liquid metal (LM) loading for conductive LM-polymer composite applications, successfully utilised dielectrohoresis to form conductive liquid metal microwires in polydimethylsiloxane within seconds which leads to a publication in Advanced Materials journal. During her research attachments, she studied the thermochromic behaviour of a light harvesting pigment, phycocyanobilin, in eutectic mixture of water:DMSO, the synthesis of hydrogel composites, PEDOT:PSS and TiO2-hydrogel nanocomposite as well as their mechanical and optical properties. In October 2020, she joined Asst. Prof. Duchamp’s group to explore her research interest in applying analytical and spectroscopic techniques to study perovskite photovoltaic and light emitting devices.

Shreyan
Shreyan Mondal received his Master of Engineering from School of Electronics and Electrical Engineering, NTU where his research was focused on Fabrication, Simulation and Characterization of Plasmonic Sensors based on Negative Photoconductivity Effect in Wideband-gap Oxide. He received his Bachelor of Technology in Engineering Physics with majors in Electronics from Delhi Technological University (formerly Delhi College of Engineering) in 2016. In 2021, he joined Asst. Prof. Duchamp’s group as Research Associate where he is engaged in design, fabrication and characterization of MEMS based phase plates for enhancing imaging capabilities in Transmission Electron Microscopy.

Visitors

Alumni

Maxime
Maxime Boniface received his Master of Engineering from the Université Grenoble Alpes (UGA-Phelma) in 2014. He completed his Phd in Materials Science in 2017 at the Commissariat a l’Energie Atomique (CEA), Grenoble, France as part of a EU-funded collaborative project. He studied aging phenomena in novel negative electrode materials for Lithium-ion batteries through synchrotron X-ray experiments and TEM characterization, for which original low-dose protocols were developed. In 2018, he started a join post-doctoral position between Asst. Prof. Martial Duchamp’s group and Asst. Prof. Slaven Garaj from the Graphene Research Center at NUS to design in situ TEM experiments in liquid phase in relation with microfluidic applications.

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Paloma Machain received her master degree in Physics in 2015 from the Balseiro Institute, Argentina. Her work was focused on the study of Nonalloy/alloy transitions in the Sn/Cu(001) system and 2D metal-organic networks using scanning tunneling microscopy, low energy electron diffraction experimental characterization techniques and by DFT calculations. In 2017, she joined the group of Asst. Prof. Martial Duchamp as a visiting scholar to investigate 2D transition metal dichalcogenides TMDCs at atomic scale in situ a TEM under externally applied electrical and temperature stimulus.

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Hugo Celie is pursuing a master in photonics at the Institute of Optics, in France. He has joined the group of Asst. Prof. Martial Duchamp as an exchange student for a six month internship at NTU in the school of Materials Science and Engeneering (MSE). He worked on the modelization of novel optical components for enhanced TEM characterization.

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Lea Nicoletti is a master student in materials science from the European School of Chemistry, Polymer and Material of Strasbourg (ECPM), France. During her study, she worked on synthesis and various characterization on electrodes of lithium-ion cells. She joined the group of Asst. Prof. Martial Duchamp as master thesis student at NTU. Her present research interests are focused on TEM characterization for all-solid-state Li-batteries.

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Chahrazed Benabid is a master student from Sorbonne Université of Paris, France. She is studying Physics and Chemistry of Materials. She joined the group of Asst. Prof. Martial Duchamp as an exchange student for an internship at NTU. She uses softwares in order to obtain 3D reconstructions from 2D images taken at different angles by STEM. The purpose is to obtain a 3D reconstruction of the internal structure of solid state batteries.

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Marion Dussouillez is a master student at Leonard de Vinci Graduate School of Engineering (ESILV), France. She studied renewable energies, embedded energies, smart grids, sensor networks, energy transition, energy efficiency, smart buildings, eco-mobility, green IT, etc. She joined the group of Asst. Prof. Martial Duchamp as master 1 student at NTU for 4 months in 2017, she studied the degradation of peroskite materials operando a TEM, focusing on the electron beam degradation.

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Tara Nietzold received her bachelors degree in Materials Science and Engineering from Rutgers University in New Jersey. Her undergraduate work focused on electrodeposition of copper oxide to be used as a top layer for tandem solar cells. She is currently a PhD candidate at Arizona State University where she is working on synchrotron X-ray characterization and grain boundary engineering of thin film solar cells. In summer 2017, she was a visiting researcher in the group of Asst. Prof. Martial Duchamp where she was working as a fellow under the U.S.-based EAPSI program. Her research is investigating the influence of alkali deposition treatments on CIGS solar cells using transmission electron microscopy techniques.

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Dr. Apoorva Chaturvedi received his Bachelor of Technology (B. Tech) in Materials Science and Engineering from C.S.J.M. University, Kanpur, India in 2008 and received his PhD degree in 2017 from School of Materials Science and Engineering, Nanyang Technological University, Singapore. During his PhD, he carried out extensive studies on design, synthesis, characterization and applications of layered two-dimensional materials such as transition metal dichalcogenides, etc. He worked with Asst. Prof. Martial Duchamp as a research fellow involved in developing synthesis and deterministic transfer strategies of two-dimensional materials for the purpose of in situ and in operando TEM characterization for 9 months in 2017

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Dr. Hu Peng received his master degree in Chemistry in 2009 from Shaanxi Normal University, Xian, China. Then, he received his PhD degree in 2016 from School of Materials Science and Engineering, Nanyang Technological University, Singapore. His work was focused on single crystals growth of new low band-gap small molecular organic charge transfer compounds and the related physical properties of the single crystals. He joined the group of Asst. Prof. Martial Duchamp as a research fellow to work on the growth of novel 2D heterojunctions planar devices for 6 months in 2017.