NEWS
Selected Area Deposition of High Purity Gold for Functional 3D Architectures
Researchers from the University of Tennessee and Oak Ridge National Lab used the Waviks' Vesta to fabricate high purity gold films onto nanoscale 3D architectures . Their work was published in Nanomaterials. This is desirable as gold is conductive, inert, plasmonically active, and can be functionalized with thiol chemistries making it useful in biological applications.
Selected Area Deposition of PtCx Nanostructures: Implications for functional coatings of 3D Nanoarchitectures
Researchers from the University of Tennessee and Oak Ridge National Lab used the Waviks' Vesta to explore pyrolytic laser chemical vapor deposition processes on 3D PtC composite nanostructures. Their work was published in ACS Applied Nano Materials. Their results indicate the ability to initiate the deposition process on sub-diffraction-limit nanoscale features.
A Quantum Lab in a Beam
Researchers from Oak Ridge National Lab wrote a review article detailing the many advances of using in situ laser for fabrication and ablation in the TEM. Their work was published in Physics Today.
Visualizing Electric and Magnetic Field Coupling in Au-Nanorod Trimer Structures via Stimulated Electron Energy Gain and Cathodoluminescence Spectroscopy: Implications for Meta-Atom Imaging
Researchers from the University of Tennessee, Oak Ridge National Lab, the University of Washington, and Clarion University of Pennsylvania used the Waviks' Vesta to explore the near-field plasmonic responses of trimer meta-atoms composed of gold nano rods. Their work was published in ACS Applied Nano Materials. Their results open the possibility to explore the nanoscale excited-state near-field imaging of other magnetic meta-atom structures.
In situ characterization of the laser-induced synthesis and photonic properties of nanostructures in a TEM
Researchers from the University of Tennessee and Oak Ridge National Lab used the Waviks' Vesta to reveal how nanomaterials transform from amorphous precursors. They presented their work at SPIE LASE 2021. Their results reveal a wealth of in situ information, including changes of composition and lattice constants during phase separation. These in situ TEM studies of laser-induced heating are a valuable discovery tool for the rapid exploration of synthesis pathways and functional properties of nanostructures.
Exploring the composition, phase separation and structure of AgFe alloys for magneto-optical applications
Researchers from the University of Tennessee and Oak Ridge National Lab used the Waviks' Vesta in situ to fabricate AgFe nanoparticles . Their work was published in Materials Science and Engineering: B. They then used these bimetallic alloyed particles to study the optical and magnetic properties of varying AgFe compositions.
Nearfield excited state imaging of bonding and antibonding plasmon modes in nanorod dimers via stimulated electron energy gain spectroscopy
Researchers from the University of Tennessee and Oak Ridge National Lab used the Waviks' Vesta to study nearfield excited state imaging of bonding and antibonding plason modes in nanorod dimers. Their work was published in The Journal of Chemical Physics.
High-resolution laser-induced graphene. Flexible electronics beyond the visible limit
Researchers from the University of Tennessee, Oak Ridge National Lab, and Rice University used the Waviks' Vesta to fabricate high resolution graphene in-situ. Their work was published in ACS Applied Materials and Interfaces.
CONTINUOUS WAVE RESONANT PHOTON STIMULATED ELECTRON ENERGY-GAIN AND ELECTRON ENERGY-LOSS SPECTROSCOPY OF INDIVIDUAL PLASMONIC NANOPARTICLES
Researchers from Oak Ridge National Lab, University of Tennessee, University of Notre Dame, University of Washington, and Waviks explored the unique optical properties of surface plasmon resonances in nanostructured materials using the Waviks Vesta. Their work was published in ACS Photonics.
LASER ASSISTED FOCUSED ELECTRON BEAM INDUCED ETCHING
Researchers from Oak Ridge National Lab and University of Tennessee explored laser assisted focused electron beam induced etching of titanium with xenon difluoride using the Waviks Vesta. Their work was published in ACS Applied Materials & Interfaces.
INERT GAS ENHANCED LASER-ASSISTED PURIFICATION OF PLATINUM ELECTRON-BEAM-INDUCED DEPOSITS
Teams from the University of Tennessee and Oak Ridge National Lab demonstrated inert gas enhanced laser assisted purification of platinum electron beam induced deposits using the Waviks vesta in the SEM. Their work was published in ACS Applied Materials & Interfaces.
IN SITU MITIGATION OF HELIUM BEAM DAMAGE
Teams from University of Tennessee, Oak Ridge National Lab, and Intel Corporation demonstrated in situ mitigation of helium beam damage using the Waviks Vesta. Their work was published in Small.
LASER ASSISTED FOCUSED HELIUM ION BEAM INDUCED ETCHING BOTH WITH AND WITHOUT XENON-DIFLUORIDE GAS ASSIST
Researchers from University of Tennessee, Intel Corporation, Oak Ridge National Lab and Waviks explored laser assisted focused Helium Ion Beam induced etching both with and without xenon-difluoride gas assist. Their work was published in ACS Applied Materials & Interfaces.
3D NANOPRINTING VIA LASER-ASSISTED ELECTRON BEAM INDUCED DEPOSITION
Teams from University of Tennessee, Graz Centre for Electron Microscopy, and Oak Ridge National Lab explored 3D nanoprinting via laser-assisted electron beam induced deposition. Their work was published in the Beilstein Journal of Nanotechnology.
EXPLORING PHOTOTHERMAL PATHWAYS VIA IN SITU LASER HEATING IN THE TEM
Collaborators from University of Notre Dame, University of Tennessee, and Oak Ridge National Lab explored photothermal heating pathways using the Waviks Vesta. Their work was published in Microscopy and Microanalysis.
ELECTRON BEAM INDUCED DEPOSITION PURIFICATION VIA PULSED LASER INDUCED OXIDATION REACTION
Teams from Oak Ridge National Laboratory, University of Tennessee, Utah State University, and Graz University of Technology demonstrated electron beam induced deposition purification via pulsed laser induced oxidation reaction using the Waviks Vesta. Their work was published in ACS Applied Materials & Interfaces.
PHASE II SBIR
Waviks is proud to announce that we have been awarded a Phase II SBIR grant from the NSF. The project is titled Optical Delivery System for In Situ Heating and Excitation in the Transmission Electron Microscope and will help our team continue to innovate and take our products to the next level. We would like to thank the NSF for their guidance during the project and the award.
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