Publications

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. Schematic…

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) SEM image and…

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.  A lab in a beam incorporates many capabilities into one device. (a) At the microscale, lasers can heat, sculpt, analyze, or excite materials. (b) At the atomic…

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…

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…

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. (a) HAADF STEM image of an Ag-Ni nanoparticle,…

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.  Experimental set up schematically illustrating the orientations of lithographically patterned gold nanorods aligned perpendicular and with…

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. Schematic of experimental setup that uses a 405 nm laser mounted on high-angle port of SEM. Laser Induced Graphene (LIG) is formed…

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.   Figure 1. sEEL and sEEG of a silver irregular nanoparticle as a function…

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. Figure 1. Schematic diagrams of (a) focused electron-beam-induced etching and (b) laser-assisted focused electron-beam-induced etching of Ti with…