Pengcheng Dai

About

Pengcheng Dai is a professor at Rice University in the Physics Department specializing in experimental condensed matter physics. His research primarily utilizes neutron scattering techniques to investigate strongly correlated electron systems. His work focuses on understanding the microscopic origins of high-transition temperature (T_c) superconductivity, magnetism, and electron-lattice coupling in high-T_c superconductors. Additionally, he studies magnetism and lattice effects in colossal magnetoresistance manganese oxides, as well as quantum criticality in ruthenium-based oxide materials and other transition metal oxides. Dai's research program has been supported by the National Science Foundation and the U.S. Department of Energy for over two decades. Throughout his career, he has made significant contributions to the field, including discoveries related to spin-triplet superconductivity, quantum spin liquid candidates, spin excitation anisotropy, and topological spin excitations in two-dimensional ferromagnets. His work has advanced the understanding of the interplay between magnetism and superconductivity, electron correlations, and spin dynamics in complex materials. In recognition of his sustained research excellence, he was elected as a fellow of the Neutron Scattering Society of America and as a member of the American Academy of Arts and Sciences.

Research topics

• Condensed matter physics
• Quantum mechanics
• Physics
• Mathematics
• Geometry
• Materials science
• Business
• Nanotechnology

Selected publications

• Time-reversal symmetry-breaking charge order in a kagome superconductor

  Nature · 2022 · 483 citations

  DOI

• The Magnetic Genome of Two-Dimensional van der Waals Materials

  ACS Nano · 2022 · 466 citations

  , synthesis, device engineering, magneto-optics, imaging, transport, mechanics, spin excitations, and theory and simulations) have joined together to provide a genome of current knowledge and a guideline for future developments in 2D magnetic materials research.

  DOI

• Discovery of charge density wave in a kagome lattice antiferromagnet

  Nature · 2022 · 268 citations

  Senior authorCorresponding
  DOI

• Electronic nature of chiral charge order in the kagome superconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Cs</mml:mi><mml:msub><mml:mi mathvariant="normal">V</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>Sb</mml:mi><mml:mn>5</mml:mn></mml:msub></mml:mrow></mml:math>

  Physical review. B./Physical review. B · 2021 · 198 citations

  CsV${}_{3}$Sb${}_{5}$ has been recently discovered to be a kagome superconductor. Here, the authors use scanning tunneling microscopy to study its charge order and superconductivity at the atomic scale. Through mapping the energy gap of the charge order, the authors identify its chiral electronic nature. They also elucidate the surface nature of the 1$\ifmmode\times\else\texttimes\fi{}$4 superlattice and superconducting excitations.

  DOI

• Magnetism and charge density wave order in kagome FeGe

  Nature Physics · 2023 · 181 citations

  DOI

Recent grants

• Neutron scattering studies of spin and lattice dynamics in electron-doped high-temperature superconductors and layered manganese oxides

  NSF · $353k · 2008–2011

• Magnetic Correlations Through Metal-Insulator Transition in Strongly Correlated Electron Materials

  NSF · $330k · 2005–2009

• Neutron scattering studies of spin dynamics in iron-based high-temperature superconductors

  NSF · $542k · 2017–2021

Frequent coauthors

• Shiliang Li

  380 shared

• Huiqian Luo

  244 shared

• Xingye Lu

  Beijing Normal University

  228 shared

• Meng Wang

  Sun Yat-sen University

  201 shared

• J. W. Lynn

  201 shared

• Jiangping Hu

  University of Chinese Academy of Sciences

  162 shared

• Yu Song

  150 shared

• Chenglin Zhang

  PetroChina Southwest Oil and Gas Field Company (China)

  137 shared

Labs

• Pengcheng Dai's GroupPI

  Condensed matter physics using neutrons to study strongly correlated electron systems, high-Tc superconductivity, magnetism, and electron-lattice coupling.

Education

• Ph. D, Department of Physics and Astronomy

  University of Missouri

  1993

Similar researchers at Rice University

• Frank Geurtsh-157
• Karl Ecklundh-142
• José N. Onuchich-126