News

Showing 15 results for Researcher: Gyula Eres

  • ORNL Placeholder Image

    April 27, 2026

    1 MIN READ

    Scientific Achievement: Molecular beam epitaxy and first principles calculations demonstrate that substrate termination can be used to control the crystal phase and functional properties.Significance and Impact: Epitaxy provides a powerful “design knob” for stabilizing targeted quantum states through interfacial phase engineering, thereby enabling new technologies such as altermagnetic spintronics and multifunctional electronics.DOI: 10.1021/acsami.5c14582

  • ORNL Placeholder Image

    February 24, 2026

    1 MIN READ

    Scientific Achievement: Understanding how Bi2Se3 bonds to 1D atomic scale steps enables growth of single-domain topological insulator films without twin defects.Significance and Impact: This work demonstrates a simple, scalable method to improve the growth of topological insulators and other two-dimensional materials for quantum and electronic applications. DOI: 10.1002/adfm.202513054

  • ORNL Placeholder Image

    October 14, 2025

    1 MIN READ

    Scientific Achievement: Ion flux diagnostics combined with in-situ Raman spectroscopy revealed that damage to monolayer (ML) graphene during pulsed laser deposition (PLD) of a protective layer is primarily driven by fast ions, and that their elimination results in damage free encapsulation of the 2D ML.Significance and Impact: This work establishes PLD as a scalable method for damage-free integration of 2D MLs into practical electronic, optoelectronic, and quantum devices.DOI: 10.1021/acsami.5c13634

  • ORNL Placeholder Image

    November 4, 2024

    1 MIN READ

    Scientific Achievement: Scientists reveal that Mn-doping can be used to control ferromagnetism and novel altermagnetic responses in MnTe.Significance and Impact: Understanding and controlling exotic transport phenomena in altermagnets will enable new applications in spintronics that rely on novel intertwined spin-momentum coupling.DOI: 10.1002/adfm.202405829

  • ORNL Placeholder Image

    September 29, 2023

    1 MIN READ

    Scientific Achievement: A hidden magnetic phase was discovered and controlled in the ultra high-conductivity, nonmagnetic oxide PdCoO2 through targeted straining of the incipiently magnetic CoO2 and Pd layer using helium implantation.Significance and Impact: Gaining continuous control of magnetic properties will open the door for precisely tailored properties that can be used to realize new nanoscale magnetic devices with low-loss interconnects in a monolithic platform.DOI: 10.1021/acs.nanolett.3c01065

  • ORNL Placeholder Image

    February 10, 2023

    1 MIN READ

    Scientific Achievement: The kinetic pathways of Janus monolayer formation were revealed by real-time Raman spectroscopy combined with plasma plume diagnostics during pulsed laser deposition (PLD), allowing the capture of 2D metastable alloys.Significance and Impact: This work demonstrates a general in situ diagnostic approach for precision synthesis and real-time adaptive control that are required to enable the autonomous discovery of novel materials and metastable phases.DOI: 10.1021/acsnano.2c09952

  • ORNL Placeholder Image

    August 23, 2022

    1 MIN READ

    Scientific Achievement: Polarized neutron reflectometry revealed that the surface oxidation of the intrinsic magnetic topological insulator MnBi2Te4 is kinetically limited to the topmost layer, determining the bulk magnetism.Significance and Impact: A precise understanding of the surface magnetic states is critical to understand emergence of quantized edge states, which is crucial for applications in next-generation microelectronics.DOI: 10.1002/adfm.202202234

  • ORNL Placeholder Image

    September 16, 2021

    1 MIN READ

    Scientific Achievement: Strained SrNbO3 films yielded a Dirac semi-metal phase with high-mobility electrons, leading to the discovery of fractional quantum states and giant mass enhancement in the extreme quantum limit (XQL).Significance and Impact: Work discovered the first oxide-based Dirac semimetal reaching the XQL, providing a novel strategy to create correlated topological quantum materials with exotic physical phenomena useful for next-generation microelectronics and quantum information science.DOI: 10.1126/sciadv.abf9631

  • ORNL Placeholder Image

    June 4, 2021

    1 MIN READ

    Scientific Achievement: The mechanisms of van der Waals (vdW) epitaxial growth of monolayer two-dimensional (2D) crystals from amorphous precursors were revealed by in situ pulsed laser heating within a TEM and first-principles calculations. Significance and Impact: This work demonstrates a transformational in situ approach to induce and study the atomistic origins of non-equilibrium crystallization processes.DOI: 10.1021/acsnano.1c00571

  • ORNL Placeholder Image

    March 25, 2021

    1 MIN READ

    Scientific Achievement: Strain developed during the coalescence of growing 2D crystals was shown to induce the nucleation of twisted bilayers with predictable twist angles. Significance and Impact: This work provides a pathway to synthetically control stacking angles in 2D heterostructures for continuously tunable optoelectronic and quantum properties.DOI: 10.1021/acsnano.0c08516

1
2