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2018 MRS Spring Meeting

2018 MRS Fall Meeting

This is a TEM image of titania nanofibers that we synthesized using a solution phase reaction. No additional editing has been made other than coloring the parts of flowers and adding the texts. Dendritic antimony selenide micro-trees as seen through an optical microscope. The growth of zinc carbonate crystals from zinc oxide The deep-sea fish is a SEM image of a MXene/gelatin composite. The fish represents a blend of two materials from different worlds, namely, two-dimensional inorganic ceramic (MXene) and a natural polymer (gelatin). Photocatalytic Cu(x)W(y)S2 by Chemical vapor deposition [False Colored SEM] Polyethylenimine and PEDOT:PSS mixed scaffold obtained after freeze-drying process

This is a creatively colored SEM image of a Monarch Butterfly's wing segment. Thanks to Ms. Marion Jacob for providing the wing sample. Scanning Electron Microscopy (SEM) image of a two-dimensional (2D) V2CTx MXene particle showing similarities to the head of an imaginary giant turtle under the sea. The diversity of ZTO nanostructures achieved in a simple low-temperature hydrothermal synthesis. Soft microrobots captured and sterilized by the attack of immune cells, looking like various Monster characters. Who Lives in Your Nanotubes is an image acquired by field-emission scanning electron microscopy of high purity carbon nanotubes.  The presence of "alien" silhouettes are visible to the viewer. In this photo, you are seeing the SEM image of a transition metal carbide (MXene) fiber showing similar features (at the micro-scale) to that of a coral reef.


2017 MRS Spring Meeting

2017 MRS Fall Meeting

The image shows an array of self-folding microstructures. Each structure is 70 micrometers from tip to tip before folding. Green represents the head; red represents the two arms; blue represents the legs. SEM image of the freeze-fractured cross-section of a polynuclear microcapsule embedded in a polymer matrix. The world map design was first patterned using a laser-writer on a fluorescent copper-clad circuit board from which fresh copper was then etched out using the conventional photolithography process. Copper microstructures synthesized by template electrodeposition. Nano-anatase (TiO2) crystals decorating amorphous graphene-like carbon, fabricated by oxidizing two-dimensional Ti3C2 MXene powder. Authors: Leah Clark, Babak Anasori, Yury Gogotsi Based on SEM micrograph of accumulative roll bonded Cu/Nb nanolayers. The shape is obtained via FIB cutting.

This SEM image shows crystals of the two-dimensional material molybdenum disulfide (MoS2). Here, we see many of these triangular crystals have merged together to create a stunning scene of MoS2 “stars”. A thermoelectric bismuth telluride micro-film fabricated by electrochemical deposition, which can transform heat into electricity, mimmics the shape of a sunflower, which collects sunpower and transforms it into biomass. SEM image of a big nanoparticle, sunken into an amorphous inverse opal. chemical vapor deposition Copper chalcogenide nanostructure is a promising material for sensors, catalysis, and solar energy conversion. When we can control their assembled structure, the range of application can be explored. thin films of crystalline V2O3 consisting of nanosheets with a flower-like morphology  [Co-author: David Graf]

2016 MRS Spring Meeting

This picture shows an optical micrograph of binary polymer brushes. The pattern is composed of hydrophilic and hydrophobic polymers - the former are swollen at increased humidity. The image shows silicone oil droplets that are bouncing indefinitely above a vibrating pool of silicone oil at 15 Hz. The surface waves generated by the droplets are analogous to quantum mechanical waves that guide the dynamics of quantum particles. In the morning, the green clovers wake up in the bright sunshine. This is from a high resolution SEM image of zinc oxide "nano-clovers" synthesized by chemical vapor deposition technique. Zinc oxide nanowalls electrodeposited on polished stainless steel electrode, imaged with SEM, color added in Adobe Photoshop. The beauties of nature has been reproduced by the orchestra of nucleation and growth. Iron oxide flowers of two micron in diameter have been grown in a hydrothermal reactor, followed by acetylene treatment enlivening the leaves. A STEM secondary electron image of Fe3O4 grown on a Tb-doped lanthanum phosphate microrod is depicted here as an octopus enveloping a submarine vessel.

2016 MRS Fall Meeting

A core-shell printed filament of gelatin in the outer shell and collagen in the core (credits: Katharina Kroll).   The human being is made of imperfection. An Australian dollar coated with an ultra-transparent superhydrophobic composite coating. Colored SEM image of the layered Ti2C MXene showing similarities to the face of Lord Voldemort, a character in Harry Potter movie series. SEM cross-section of a multi-layered perovskite solar cell assembled via spin-coating in which a dust particle resulted in the protrusion This photograph represents a snapshot of the dynamic response of a ferrofluid to an intricate magnetic field distribution over a silicon wafer. A 3D image of the inside of a charged Li-ion battery taken using MRI, showing regions of dendrites growing between two disc-shaped electrodes.

2015 MRS Spring Meeting

Zinc oxide nanoflower structure synthesized by pulsed laser deposition technique A SEM image of holey graphene film. The film is made by 900°C treated polystyrene/graphene xxide free-standing film. Yanwen Yuan, Nanyang Technological University Andy Warhol's Nano-Guitar by Peter Reiss The Perovskite Sunflower by Son Tung Ha The Microcave by Magnus Jonsson

2015 MRS Fall Meeting

Ferrofluids are colloidal liquids made of nanoscale ferromagnetic particles suspended in a carrier fluid. A red electrospun "heart" is trapped in the matrix of electrospun nanofibers of Poly[(R)-3-hydroxybutyrate-co-(R)-3-hydroxyhexanoate (PHBHx), a biodegradable and biocompatible "green" polyester fully synthesized by bacteria in plant oils. Sulfonated small molecular additives modify the surface topology of calcite. The variety of plateaus, craggy outcrops and mesas resembles a sunset scene from the Mojave. A scanning electron microscope image of novel straw-like architectures composed of highly uniform NiCo2O4 nanowires synthesized via a hydrothermal approach vividly demonstrates a party of numerous nano-scarecrows. A SEM image of a polyimide cross-section prepared by focused ion beam. SEM imaging of PEDOT:PSS Conductive Scaffold. SEM image of crosslinked polyethylene glycol hydrogel resembles magna river flow within cave. High symmetry dense packings of trees and lines in the two-dimensional hyperbolic plane can be projected to triply-periodic minimal surfaces. A SEM image of CuO nanostructures. Colorized SEM image of ultra-long vanadium pentoxide nano-belt bundles synthesized by a hydrogen peroxide method. SEM image of an Aluminum drop suspended in an array of multi-walled carbon nanotubes synthesized by chemical vapor deposition (CVD) technique. Optical microscopy image of uniaxially aligned domains of terthiophene under crossed polarizers. The alignment results from a thermal gradient annealing process. Polymer-grafted silica colloids dispersed in a solvent with a surfactant and drop cast onto a water interface forming colorful, micron-sized structures This is an SEM image [5.0kV] of nanostructured titania particles with various morphology.

2014 MRS Spring Meeting

Electrochemically overgrown CuNi nanopillars. This image is a scanning electron micrograph of ZnO nanorods epitaxially grown on a CuGaO2 nanoplate in aqueous solution. Atomic resolution TEM image of a porous Si nanowire surface morphology. Piezoresponse force microscopy image of the ferroelectric domain structure of hexagonal ErMnO_3. Dark and bright areas correspond to opposite out-of-plane directions of the polarization. Note the vortex-like meeting points of six domains False color SEM image of warring CaCO3 polymorphs showing the transformation of vaterite (left) to the more stable calcite (right) on the surface of a hierarchical mineral tube grown from a gel-liquid interface. FIB section of a silicon nanowires carpet.

2014 MRS Fall Meeting

SEM image of electrospun core-shell fibers containing self-healing agents deposited on steel A scanning electron microscope image of composite particles comprised of self-assembled silica nanoparticles and polybutadiene. Scanning Electron Microscopy image taken for assembly of iron oxide nanoparticles in the magnetic fields. 2 day in vitro hippocampal neurons drop-plated on superhydrophobic nanostructured silicon devices clustered before die looking for nutrients and oxygen. “A Rose by Any Other Name…” is an SEM image of complex ZnO meso-crystals synthesized through a solvothermal process. Contribution from Taha Rostamzadeh, Korosh Mahmoodi, and John B. Wiley SEM image of a micro-pillar designed for microcompression testing of nanocrystalline Ni-W alloy viewed from the top. The pillar was made with an automated lathe milling technique using a Focused Ion Beam microscope.