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Computational Materials Group

Van de Walle group
Van de Walle group

We use first-principles techniques to model structure and behavior of semiconductors, oxides, and quantum materials.  Research topics include efficiency of light emitters, novel materials for electronics, and point defects for quantum information science.  The group has strong links with the UCSB Quantum Foundry and the Solid State Lighting and Energy Electronics Center.

Computational research plays a key role in developing a fundamental understanding of the physics and chemistry of materials, in improving the properties of existing materials, and in the discovery of new materials. Most of our research is based on quantum-mechanical first-principles calculations, but we also use semi-empirical techniques to model certain aspects of materials or devices.

The Van de Walle group is part of a strong computational science and engineering cluster within the Materials Department, which also encompasses the Van der Ven, McMeeking, Dai, Beyerlein and Begley groups.

We value and strive to uphold the attributes of diversity, equity, inclusion, and accountability in our group's research culture.

Recent News

Prof. Chris G. Van de Walle has been awarded the Aneesur Rahman Prize for Computational Physics from the American Physical Society

Prof. Chris G. Van de Walle has been awarded the Aneesur Rahman Prize for Computational Physics from the American Physical Society

The Prize recognizes his work in the “development and application of first-principles methods for computing the structural, electronic, and optoelectronic properties of point defects and interfaces.”

Radiative process

Research on efficiency of single photon emitters highlighted

When—and why—does a photon emitter not emit? Research in the Van de Walle group illuminates the issue.

Fangzhou receiving the Corbett Prize at the 32nd ICDS in Rehoboth Beach, Delaware

Dr. Fangzhou Zhao wins the Corbett Prize at the 32nd International Conference on Defects in Semiconductors (ICDS)

Dr. Zhao was awarded the Corbett Prize for his work on Trap-Assisted Auger-Meitner recombination. 

Dr. Mark Turiansky

Dr. Mark Turiansky Receives the APS 2023 Nicholas Metropolis Award

Dr. Mark Turiansky Receives the American Physical Society’s 2023 Nicholas Metropolis Award for Outstanding Doctoral Thesis Work in Computational Physics

Research

We are active in the following research areas (for details click on the images, or go to the 'Research' tab):

Van de Walle Group Research

Research Introduction

Click here for a 5-minute video introduction to the group's research.
Defects for Quantum Information Science

Defects for Quantum Information Science

We investigate physical systems for use as qubits, which are needed to develop a quantum computer.
Loss Mechanisms in Light Emitters

Loss Mechanisms in Light Emitters

Solid-state light emitters are energy-efficient solutions for lighting and displays.
Nitride Semiconductors

Nitride Semiconductors

Group-III nitrides are used in light emitters as well as high power and high frequency electronics.
Halide Perovskites

Halide Perovskites

We study the mechanisms governing high photovoltaic conversion efficiency in halide perovskites.
Binary Oxides

Binary Oxides

Wide-band-gap oxides are used for transparent electronics and high-power devices.
Complex Oxides

Complex Oxides

Complex oxides offer unprecedented functionality due to their high carrier densities and mobilities.
Hydrogen

Hydrogen

Solid-state storage and transport of hydrogen will enable its use as a renewable energy source.
Polarization

Polarization

Intrinsic electric fields in (opto)electronic materials can enhance their use in novel devices.

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Contact

  • +1-805-893-7144
  • vandewalle@mrl.ucsb.edu
  • Office 2510 Engineering II
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Van de Walle • Computational Materials Group
Materials Department • UC Santa Barbara
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