Dibyendu Dey


My name is Dibyendu Dey, and I am a Postdoctoral Research Associate at the University of Maine, USA working on first-principles design and prediction of new high-entropy materials and 2D magnets. Here is the link to my google-scholar profile.

Short Bio

I am a Postdoctoral Research Associate in the Physics and Astronomy Department at the University of Maine, working in theoretical and computational condensed matter physics with Dr. Liping Yu. Prior to that, I worked with Dr. Antia Botana as a Postdoc in the Physics Department at Arizona State University. In 2018, I received my Ph.D. from the Department of Physics at the Indian Institute of Technology, Kharagpur, under the supervision of Prof. Arghya Taraphder.

The design and discovery of novel high-entropy alloys, the properties of designed 2D materials, the magnetism and multiferroics of strongly correlated systems, and the transport, electronic, and vibrational properties of thermoelectric materials are some of my current research interests.

  • Current Position: Postdoctoral Research Associate, University of Maine, USA
  • Email: [email protected]

Current Research

Design and discovery of novel materials

Designing new materials with remarkable functional properties is a fascinating field of research. However, the ‘materials prediction’ is non-trivial and requires careful investigation of various stability factors that ensure their experimental growth. Using first-principles analysis of thermodynamic stability, dynamical and thermal stability, and mechanical stability, the synthesizable conditions of new compounds can be understood. In my recent works [arXiv:2301.06554, Physical Review Materials 6, L061002 (2022), Physical Review Materials 4, 074002 (2020)], the prospects of 'materials design' have been demonstrated. 

Emergent magnetism in engineered van der Waals materials

The atomically thin van der Waals magnetic materials provide an ideal platform to study magnetism and spintronics device concepts at the 2D limit, where magnetic properties can be effectively controlled or switched by proximity effects and external perturbations such as the magnetic field, electric field, defects, strain, optical doping, etc. In my recent works [Nano Letters 21, 6633 (2021), Physical Review Materials 6, L061002 (2022)], different approaches have been implemented to engineer the magnetic properties of 2D magnets. These novel 2D magnets also exhibit other exotic and topological phases that can be used for various functional applications.

Electronic and vibrational properties of strongly correlated systems

Strongly correlated systems have been extensively studied in the past few decades by many researchers in the condensed matter and materials physics community because of their inherently rich physics involving frustrated magnetism, orbital order, charge order, etc. These electronic degrees of freedom often couple to the lattice vibration in the presence of Coulomb correlation and give rise to some well-known phenomena such as superconductivity, magneto-elastic coupling, etc. In these works [Physical Review B 102, 125106 (2020), Physical Review B 101, 205132 (2020), Physical Review B 93, 195133 (2016)], the role of different degrees of freedom and their connections to various experiments have been revealed.