Group leader

Professor Kosmas Prassides

Kosmas Prassides was born in Kavala, Greece and read Chemistry at Oxford University where he also completed his doctoral research on inorganic mixed valency compounds under the supervision of Professor P. Day FRS.

He was then the Drapers’ Research Fellow at St. Anne’s College, Oxford, working closely with Professor P. N. Schatz (University of Virginia) on the development of the PKS theoretical model for mixed valency systems. Following a spell as Assistant Professor of Chemistry at the University of Crete, Greece, he returned in 1989 to the UK at the University of Sussex where he remained until 2004 and he was successively Lecturer, Reader and Professor of Solid State Chemistry.

In 2005, he took up a Chair in Materials Chemistry at the Department of Chemistry, Durham University. In October 2014, he relocated to Japan as a Professor at Tohoku University and Principal Investigator at the Advanced Institute for Materials Research (WPI-AIMR). In October 2018, he accepted a Chair in Materials Science at the Graduate School of Engineering, Osaka Prefecture University. He remains a visiting Professor at AIMR.

His research interests are multi-disciplinary and encompass a range of structural, magnetic and electronic problems in modern materials, straddling the areas of condensed matter physics and chemistry.

His primary focus is currently on the study of strongly correlated electron systems, which typically display remarkable electronic properties that challenge existing theory for satisfactory explanations. The delicate balance between localised and itinerant behaviour related to the strongly correlated nature of the systems and the metallic, insulating and superconducting states lie at the heart of his ongoing research.

He has been using core chemical approaches to access unusual structures and electronic, conducting and magnetic ground states and probe the physics in key materials, especially metal fulleride solids. He has advanced the understanding of molecular superconductivity and magnetism and the generic problem of the metal-Mott insulator transition, unveiling the fullerides as model members of the high-Tc superconductivity family, potentially holding the key to the understanding of the pre-requisites for high-Tc superconductivity when electron correlation is important.

Doctoral Students

Naoya Yoshikane (D2)
E-mail : szb02141[at]
ResearcherID: ABA-8345-2020

[Research Theme]
My current research interests lie on the exotic electronic properties such as superconductivity, valence instabilities, and multiferroism emerging from strongly-correlated molecular systems such as metal intercalated C60 fullerides and cyanide-bridged metal frameworks such as Prussian Blue analogues (PBAs).
During my Bachelor and Master degrees’ projects (2018-2021) I researched the correlation between crystal and electronic structures of rare-earth fullerides (RE2.75C60) using synchrotron XRD and XAS techniques at both ambient and high pressure at the SPring-8 facility.
For my current research in the doctoral course (2021-), I intend to expand my research themes from C60 superconductors to optically-active multiferroic PBAs.

2021 April ~ present 「Osaka Prefecture University fellowship student」
大阪府立大学科学技術イノベーション創出に向けた大学フェローシップ創設事業 フェローシップ生
2021 May ~ present Research Assistant, Prassides Lab.

[Other interests]
Orchestra, reading books and movie watching, driving

Keisuke Matsui (D1)
E-mail : sab02125[at]
ResearcherID: ABC-2183-2020

[Research Theme]
At present my work follows along the development of two distinct themes. The first is the exploration of the conditions necessary to synthesize and study the properties of superconducting fullerides in which we are able to control both the bandwidth and the doping level simultaneously. This also includes superatomic chemistry such as co-crystallization of C60 with other highly symmetric clusters / molecules. The second focuses on the development of the chemistry and physics of endohedral metallofullerenes, M@C60 and their metal-exohedrally-intercalated derivatives achieving dual control (eso-/exo-) of the electronic properties.

[Other interests]
Marine activities (scuba diving, skin diving, snorkeling, fishing), swimming, gymnastics, physical training, net surfing

Master’s Students

Airi Tada (M2)
E-mail : sbb02069[at]

[Research Theme]
At present my work focuses on the phenomenon of superconductivity – superconducting materials have no electrical resistance and carry electricity without losing energy. My interests include two distinct families of superconductors. The first is that of high-entropy alloys, materials which are also endowed with superior mechanical performance and robust environmental stability. The second is that of p–electron molecular materials such as polyaromatic hydrocarbons or fullerenes in which the electronic and conducting properties are tuned by electron or hole injection.

[Other interests]
tennis, cycling, travel, shopping, concert, watching movies

Akane Matsumoto (M1)
E-mail : sc22759c[at]

[Research Theme]
My current research project is directed at investigating the structural and physical properties of co-crystals consisting of C60 and other molecular units and their metal-intercalated derivatives.

[Other interests]
Dancing, reading books, Watching the dance, shopping

Marina Nishiura (M1)
E-mail : sc22769d[at]

[Research Theme]
My recent research is focused on investigating thermal expansion and magnetic properties of Prussian Blue analogues (PBAs) in collaboration with Prof Makiura.

[Other interests]
Traveling, going shopping, watching movies, watching baseball games

Mizuki Suzuki (M1)
E-mail : sc22765z[at]

[Research Theme]
My research interests focus on the structural, magnetic and superconducting properties alkaline earth doped fulleride materials.

[Other interests]
Watching movies and TV dramas.

Bachelor Students

Kyohei Kawamura (B4)
E-mail : sdb02044[at]

[Research Theme]
My current research interests focus on the synthesis of Prussian Blue analogs and the tuning of their magnetic properties.

[Other interests]
Watching movies & animes, playing shogi, travelling

Ryuhei Mimura (B4)
E-mail : sdb02127[at]

[Research Theme]
My research focuses on the superconducting properties of medium-entropy alloys, especially on the relationship between critical temperature Tc and band filling.

[Other interests]
Watching NBA games(Portland Trail Blazers), Playing Basketball, Riding trains, Reading Historical & Detective Novels

Tsutomu Uraji (B4)
E-mail : sdb02022[at]

[Research Theme]
My research focuses on investigating the structural and electronic properties of fullerene co-crystals with polyaromatic hydrocarbons.

[Other interests]
Watching rugby football game, Jogging, Eating sweets


Esther Wakayo Masuda
E-mail : w.masuda[at][About Me]
I joined “Kosmas team” from June 1st,2020. This is my first time to work as a Secretary. I’m so excited.

[Other interests]
Playing badminton (belong to Osaka Badminton Association), Reading books, and Watching movies.

Former Members

  • Professor Denis Arčon (1999-2000)
    Professor, Faculty of Mathematics and Physics, Josef Stefan Institute, Ljubljana, Slovenia

    E-mail : denis.arcon[at]
  • Professor Ioannis Arvanitidis (2001-2003)
    Professor, Department of Physics, Aristotle University of Thessaloniki, Greece

    E-mail : jarvan[at]
  • Dr. Stathis Aslanis (D.Phil. Sussex, 1998-2002)
  • Dr. Kieren Brigatti (D.Phil. Sussex, 2000-2004)
  • Professor Craig M Brown (D.Phil. Sussex, 1995-1998)
    Team Leader, Structure and Dynamics of Materials, NIST Center for Neutron Research, Maryland and Adjunct Professor, Chemical Engineering, University of Delaware, USA

    E-mail : craig.brown[at]
  • Dr. A. Johan C. Buurma (2013-2014)
    Researcher, Oxford Photovoltaics

    E-mail : johan.buurma[at]
  • Professor Christos Christides (1990-1993; 2005-2006)
    Associate Professor, School of Engineering, University of Patras, Greece

    E-mail : christides[at]
  • Dr. Ross H. Colman (2012-2014)
    Researcher, Department of Condensed Matter Physics, Charles University in Prague, Czech Republic

    E-mail : ross.colman[at]
  • Dr. Veaceslav Coropceanu (1997-1998)
    Principal Research Scientist, Department of Chemistry, Georgia Institute of Technology, USA

    E-mail : coropceanu[at]
  • Dr. Annaig Dennis (2004-2005)
  • Dr. Gyongyi Pergerne Klupp (2014-2016)
    Department of Chemistry, Durham University, UK

    E-mail : gyongyi.pergerne-klupp[at]
  • Professor Kostas Kordatos (1994-1998, D.Phil. Sussex)
    Professor in Chemistry, National Technical University, Athens, Greece

    E-mail : kordatos[at]
  • Professor Alexandros Lappas (1989-1993, D.Phil. Sussex; 1996-1998)
    Research Director, Institute of Electronic Structure and Lasers, Foundation for Research and Technology Hellas, Heraklion, Greece

    E-mail : lappas[at]
  • Professor Wenzhi Li (1997-1998)
    Professor, Department of Physics, Florida International University, Miami, USA

    E-mail : liw[at]
  • Dr. Minfeng Lu (2015-2016)
    Research Associate, ChangChun Institute of Applied Chemistry, China

    E-mail :[at]
  • Professor Roderick M. Macrae (1992-1994)
    Lechleiter Endowed Professor of Chemistry, Marian University, Indianapolis, USA

    E-mail : rmacrae[at]
  • Professor Serena Margadonna (1997-2000, D.Phil. Sussex)
    Professor, College of Engineering, Swansea University, UK

    E-mail : s.margadonna[at]
  • Professor Irene Margiolaki (1999-2003, D.Phil. Sussex)
    Associate Professor, Department of Biology, University of Patras, Greece

    E-mail : imargiola[at]
  • Dr. Alison J Marks (1990-1992)
    Lecturer, Department of Chemistry, University of Bradford, UK

    E-mail : A.J.Marks[at]
  • Dr. Beatrice Maroni (2010-2011)
  • Dr. Isabelle Maurin (2000-2002)
    Researcher, Ecole Polytechnique, CNRS, Palaiseau, France

    E-mail : isabelle.maurin[at]
  • Dr. Martin T McDonald (2005-2010, PhD Durham)
    E-mail : martin.t.mcdonald[at]
  • Dr. Melita Menelaou (2015-2017)
    Senior Researcher, Central European Institute of Technology (CEITEC), Brno University of Technology, Brno, Czech Republic

    E-mail : Melita.Menelaou[at]
  • Professor Alvaro Mombru (1993-1994, M.Phil. Sussex)
    Professor of Physics, Universidad de la Republica, Montevideo, Uruguay

    E-mail : amombru[at]
  • Dr. Takeshi Nakagawa (2003, 2004-2010, 2015-2018)
    Researcher, Center for High Pressure Science and Technology Advanced Research (HPSTAR)

    E-mail : takeshi.nakagawa[at]
  • Dr. Alex V Nikolaev (1993-1994, 1997-1998)
    Leading Researcher, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Russia

    E-mail : alex_benik[at]
  • Dr. Esma Okur (2011-2016, PhD Durham)
    Assistant Professor, Department of Chemistry, Bursa Technical University, Turkey

    E-mail : esma.okur[at]
  • Professor Konstantinos Papagelis (2001-2003)
    Professor, Department of Physics, Aristotle University of Thessaloniki, Greece

    E-mail : kpapag[at]
  • Dr. Manolis Roubelakis (2009)
    Researcher, Air Products and Chemicals Inc., Pennsylvania, USA

    E-mail : mroubelakis[at]
  • Dr. Stephan Rouziere (1999-2000)
    Researcher, Laboratoire de Physique des Solides – UMR 8502, Universite Paris Sud, Orsay, France

    E-mail : stephan.rouziere[at]
  • Dr. Masafumi Sakata (2013-2014)
    Project Assistant Professor, KYOKUGEN, Osaka University, Japan

    E-mail : sakata[at]
  • Dr. Robert Sobota (2016-2017)
    Researcher, Paul Scherrer Institute, Switzerland

    E-mail : robert.sobota[at]
  • Dr. Nikos Tagmatarchis (1997-1999)
    Director of Research, National Hellenic Research Foundation, Athens, Greece

    E-mail : tagmatar[at]
  • Dr. Yasuhiro Takabayashi (2005-2013, 2015-2019)
    Researcher, Nagoya Institute of Technology, Japan

    E-mail : takabayashi.yasuhiro[at]
  • Dr. Martina Vrankic (2017-2018)
    Research Associate, Division of Materials Physics, Ruder Boskovic Institute, Croatia

    E-mail : Martina.Vrankic[at]
  • Dr. Zhanqiang Xu (2018-2019)
    Assistant Professor, Institute of Molecular Plus, Tianjin University, China

    E-mail : zhanqiangxu[at]
  • Dr. Ruth H Zadik (PhD Durham, 2010-2015)
    Publishing Editor, Royal Society of Chemistry, Cambridge, UK

    E-mail : ruthzadik[at]