Academia Sinica

Novel materials and Crystal Growth Lab

Raman Sankar
https://www.phys.sinica.edu.tw/~sankar/index.php?link=home

Research Field

Novel Materials

Introduction

Dr. Raman Sankar is an internationally recognized condensed matter physicist and materials scientist currently serving as an Associate Research Scientist at the Institute of Physics, Academia Sinica, Taiwan. With more than 18 years of research experience, he has established himself as a leading expert in the growth, design, and characterization of quantum materials, including topological insulators, Weyl semimetals, superconductors, low-dimensional materials, thermoelectric compounds, and quantum magnetic systems. His expertise includes advanced single-crystal growth techniques such as chemical vapor transport, Bridgman, flux growth, optical floating-zone, and Czochralski methods, which help discover and develop new functional materials for next-generation electronic and quantum technologies.

Dr. Sankar has made outstanding contributions to the fields of condensed matter physics and quantum materials through an exceptional publication record of more than 350 peer-reviewed articles, accumulating over 22,000 citations with an h-index of 59. His research has appeared in many of the world's leading journals, including Nature, Nature Materials, Nature Communications, Advanced Materials, Advanced Functional Materials, Nano Letters, and the Physical Review series.

Beyond his research achievements, Dr. Sankar is an active international collaborator, invited speaker, and reviewer for prestigious scientific journals. His work bridges fundamental discoveries with practical applications in quantum electronics, spintronics, energy conversion, and advanced functional devices. Through his scientific leadership, mentorship, and commitment to interdisciplinary collaboration, he continues to make significant contributions to the advancement of materials science and condensed matter physics on the global stage. Among his notable recognitions is the Plum Blossom Card (2022), awarded by the Government of Taiwan to outstanding foreign professionals for their exceptional contributions to research and innovation. This distinction acknowledges his sustained excellence in materials science and his significant role in advancing Taiwan's scientific and technological landscape. He was also honored with the Young Achiever Award (2021) in recognition of his outstanding research accomplishments and contributions to condensed matter physics and quantum materials. Earlier in his career, Professor Sankar received the AICTE National Doctoral Fellowship (2004), a highly competitive fellowship that supported his doctoral research in crystal growth and advanced materials. During his Ph.D., he further distinguished himself by receiving Best Paper Awards at both the International Conference on Spectrophysics and the Tenth National Seminar on Crystal Growth in 2005, highlighting the originality and quality of his early scientific contributions.

The Novel Materials Development and Crystal Growth Laboratory at the Institute of Physics, Academia Sinica, Taiwan, is dedicated to the discovery, synthesis, and characterization of next-generation quantum and functional materials. Under the leadership of Dr. Raman Sankar, the laboratory has established itself as an internationally recognized center for advanced crystal growth and condensed matter research, addressing fundamental scientific questions while developing materials for emerging technologies.

The laboratory possesses extensive expertise in the growth of high-quality single crystals using advanced techniques, including Chemical Vapor Transport (CVT), Chemical Vapor Deposition (CVD), Bridgman growth, Flux growth, Optical Floating Zone, Czochralski, Arc Melting, and low-and high-temperature solution growth. These capabilities allow the laboratory to develop a wide variety of materials, such as topological insulators, Weyl semimetals, quantum magnets, superconductors, thermoelectric materials, two-dimensional layered materials, and hybrid functional crystals.

Research in the laboratory integrates crystal growth with advanced structural, magnetic, optical, and electronic characterization to understand the fundamental physics governing quantum materials. The group collaborates extensively with leading research institutions worldwide, employing state-of-the-art experimental techniques such as angle-resolved photoemission spectroscopy (ARPES), spin-resolved ARPES, synchrotron X-ray spectroscopy, ultrafast spectroscopy, and high magnetic field measurements.

With an outstanding record of scientific excellence, the laboratory has contributed to numerous breakthrough discoveries published in high-impact journals and continues to train young researchers while fostering international collaborations. Its mission is to advance fundamental condensed matter physics and translate innovative materials into future applications in quantum technologies, spintronics, optoelectronics, energy conversion, and sustainable electronic devices.


Research Topics
  • Quantum Materials
  • Crystal Growth and Materials Synthesis
  • Condensed Matter Physics
  • Topological Quantum Materials
  • Topological Insulators
  • Weyl and Dirac Semimetals
  • Nodal-Line Semimetals
  • Quantum Magnetism
  • Spintronics and Spin-Based Devices
  • Superconductivity
  • Two-Dimensional (2D) Materials and van der Waals Heterostructures
  • Magnetic Quantum Materials
  • Thermoelectric Materials and Energy Conversion
  • Electrochemical Energy Storage
  • Supercapacitors and High-Performance Electrode Materials
  • Energy Storage Devices and Hybrid Capacitors
  • Electrocatalysis for Energy Conversion (OER, HER, ORR)
  • Hybrid Organic-Inorganic Perovskites
  • Optoelectronic Materials and Devices
  • Photodetectors and Light-Matter Interaction

Honor

Plum Blossom Card – Senior Skilled Talent Researcher (2022)

Young Achiever Award (2021)

Best Paper Award (2005), International Conference on Spectrophysics, India. 

Best Paper Award (2005), Tenth National Seminar on Crystal Growth, India.

AICTE National Doctoral Fellowship (NDF) (2004)


Educational Background

Ph.D. in Physics (2004–2008)
Crystal Growth Centre, Anna University, India
Thesis: Growth and Characterization of Organo-Metallic Nonlinear Optical Single Crystals.

M.Sc. in Physics (2001–2003)
Department of Physics, Madurai Kamaraj University, India
Graduated with First Class (89%).

Postgraduate Diploma in Computer Applications (P.G.D.C.A.) (2000–2001)
Department of Computer Science, Madurai Kamaraj University, India
Graduated with First Class with Distinction (86%).

B.Sc. in Chemistry (1997–2000)
Department of Chemistry, Madurai Kamaraj University, India
Graduated with First Class with Distinction (80%).