Aduro In Situ Heating and Electrical Biasing Introduction

Aduro is an advanced system to heat and electrically bias samples within an electron microscope. The system is optimized to produce heating up to 1200C or electrical biasing without degrading the resolution of the instrument. With Aduro, atomic resolution of heated samples is now possible. This video outlines the Aduro technology as we well as several scientific applications.

Poseidon Select 200 in situ Liquid Flow Introduction

The Poseidon Select 200 in situ system is a fully hydrated liquid cell for use within a transmission electron microscope. Liquid samples can now be observed in their native environment at nanometer resolution. This video outlines the technology behind the Poseidon Select 200 system and outlines a variety of applications for the product.

Rapid AgCu Nanoparticle Heat-Quench

This real time video shows rapid heating and quenching of micron-sized copper-silver particles in the SEM. The video is real time and demonstrates how quickly the Protochips Aduro can heat and quench samples, on the order of milliseconds. Take note of the temperature display on the upper left corner of the video.

Au Nanoparticles on FeOx at 900 °C

This real time video shows two gold nanoparticles that are on the surface of larger iron oxide particles at 900 °C. At this temperature the gold is very mobile, and the two particles coalesce into one larger nanoparticle. This demonstrates the stability of the Protochips Aduro platform at high temperatures. This video is in real time and taken on a JEOL ARM200F (200 kV, Cs aberration correction) at JEOL in Akishima, Japan.

Ceria in a High Resolution Environmental TEM at 750 C

The Aduro heating and electrical biasing platform is compatible with environmental electron microscopes. This real time video shows ceria (CeO2) in a reducing atmosphere of hydrogen at 1.2 Torr at 750 °C. The lattice and surface reactions can be easily seen.

Au Nanoparticles at Atomic Resolution at 600 C

This video shows gold nanoparticles at 600 °C. The video shows the stability of the Protochips Aduro at high temperatures and the ability to resolve dynamic events with sub-Angstrom resolution. The initial video was taken at 1 frame per second, and then sped up to 5 frames per second using video editing software later. The video was taken in the TEAM 0.5 microscope (FEI Titan, 300 kV, Cs aberration correction, monochromator) at Berkeley National Laboratory, Berkeley, California.

Poseidon Select Tilt

This movie shows a series of images that demonstrates the tilt range of Poseidon Select. Images of aggregated 30 nm gold nanoparticles in 1.5 μm of water were collected in 5° increments, over a total angle of -30° to +30°. Data was collected using a Philips/FEI CM300FEG TEM equipped with a GIF energy filter at 300 kV.

Salt Crystallization

The Poseidon Select platform enables observation of dynamic processes in situ. This movie shows the formation of salt crystals from a saturated solution of phosphate buffered saline. Images were acquired at a rate of 1 frame per second and are shown at 5 times real speed. 500 nm liquid thickness. Images collected using a Philips/FEI CM300FEG TEM at 300 kV. Courtesy of Dr. Kate Klein, National Institute of Standards and Technology.

Gold Nanoparticles in Water

Images collected using a Philips/FEI CM300FEG TEM at 300 kV. Courtesy of Dr. Kate Klein, National Institute of Standards and Technology.

Gold Nanoparticles Interaction with Beam

30 nm gold nanoparticles attracted to the electron beam in a liquid thickness of 150 nm. Images collected using a Philips/FEI CM300FEG TEM at 300 kV. Courtesy of Dr. Kate Klein, National Institute of Standards and Technology.

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