EMERGING SOLID-STATE MATERIALS

Recent news:

• March 2026

Our collaborative work with the Mundy Group (Harvard) has been published in Advanced Functional Materials: 

'The Evolution of Magnetism in a Thin Film Pyrochlore Ferromagnetic Insulator'

• Dec 2025

Recent work in collaboration with Yishu Wang and Arpan Biswas at the University of Tennessee: 

'Physically-Constrained Autoencoder-Assisted Bayesian Optimization for Refinement of High-Dimensional Defect-Sensitive Single Crystalline Structure '

• Nov 2025

Recent paper in collaboration with Allen Scheie at Los Alamos National Laboratory:

'Intrinsic quantum disorder in Yb2Ti2O7 and the quantum S=1/2 pyrochlore phase diagram'

• Jul 2025

Recent paper, in collaboration with the Collin Broholm group at JHU:

'Quenched disorder in the triangular lattice antiferromagnet YbZn2GaO5'

• Feb 2024

Accepted paper, in collaboration with Julia Mundy, Harvard:

'Defect engineering in epitaxial thin films of the pyrochlore frustrated magnet Tb2Ti2O7 ', J. Chemistry of Materials  

• Jan 2024

Accepted paper, in collaboration with Martin Mourigal, Georgia Tech:

'Pressure control of magnetic order and excitations in the pyrochlore antiferromagnet MgCr2O4 ', PRB 

• May 2023

Received the Johns Hopkins University’s Discovery Award, co-funded by the Ralph O’Connor Sustainable Energy Institute (ROSEI)

Project: High-Entropy Capacitive Energy Storage

More information: https://energyinstitute.jhu.edu/rosei-co-funding-three-jhu-discovery-awards/

• May 2023

Our article on ‘Quantum paramagnetism in a non-Kramers rare-earth oxide: Monoclinic Pr2Ti2O7’ was accepted for publication in Physical Review Materials (PRM).

• Jun 2021

A new class of ultra-pure Ho2Ti2O7 crystals was needed to manifest individual monopole dynamics. 

Research highlight: 'Monopolar and dipolar relaxation in spin ice Ho2Ti2O7', developed in collaboration with the Broholm Group at JHU.  

Article published in Science Advances.

• Apr 2021

Published article in Nature Physics in collaboration with Peter Armitage group at JHU:

     'Duality and domain wall dynamics in a twisted Kitaev chain'               

     Read the 'Research highlight' 

• Oct 2020

The synthesis of the world’s first high-quality Yb2Ti2O7 single crystals at IQM has enabled a major advance in understanding this long-standing quantum spin ice candidate, in collaboration with the Collin Broholm group at JHU. 

Research highlight: 'Antiferromagnetic Domain Walls in Ferromagnetic Yb2Ti2O7'

Article published in PNAS:  'Multiphase magnetism in Yb2Ti2O7'

Read the article commentary by Sylvain Petit in PNAS: 'On the way to understanding Yb2Ti2O7'

• Jan 2020

Published article in collaboration with Peter Armitage group at JHU:

     'Tunable Magnon Interactions in a Ferromagnetic Spin-1 Chain'               

     Research highlight: 'Probing magnon dynamics and interactions in a ferromagnetic spin-1 chain'

• Jul 2019

Our high structural quality Yb2Ti2O7 single crystals enabled the observation of enhanced thermal Hall conductivity at sub-Kelvin temperatures. This work was conducted in collaboration with the N. Phuan Ong Group at Princeton University. 

arXiv article: 'Enhanced thermal Hall conductivity below 1 Kelvin in the pyrochlore magnet Yb2Ti2O7 '