Libor Kovarik

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

The viscosity of organic aerosols is a pivotal property to predict their health and environmental impact. Viscosity influences particle growth rate, diffusivity, chemical reactivity, and impacts the…

Fundamental Studies of Ice Nucleation Using Environmental Scanning Electron Microscope (ESEM)

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Large-Scale EMSL Research

The proposed research is to demonstrate applicability of a novel experimental platform for systematic studies of ice nucleation efficiency of atmospheric particles with determination of…

Ice Nucleation Propensity of Biological Particles

Lead Institution

Xiamen University

Principal Investigator

Bingbing Wang

Project type

Large-Scale EMSL Research

The proposed study will investigate the ice nucleation propensity of atmospheric biological particles using a novel experimental platform developed in EMSL by our group. We will determine…

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

The viscosity of organic aerosols is a pivotal property to predict their health and environmental impact. Viscosity influences particle growth rate, diffusivity, chemical reactivity, and impacts the…

Biomineralization and Biosequestration Mechanisms at Life's Upper Temperatures: A Reappraisal using Novel CryoEM Techniques

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Sherry Cady

Though microbes can indirectly and metabolically transform, sequester, and transport (i) ions, (ii) organic and inorganic complexes, and (iii) precipitates via a wide range of mechanisms,…

An Experimental and Modeling Investigation of Solidification and Microstructural Evolution in Magnesium Alloys using in situ Techniques

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Aashish Rohatgi

The goal of this proposal is to understand the microstructural evolution during non-equilibrium, rapid solidification of a molten magnesium-aluminum-zinc (AZ91) alloy, and during its subsequent heat…

Novel Analyses of Hanford Plutonium Particles

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Dallas Reilly

Understanding the chemical speciation of plutonium particles currently in the ground at the Hanford site has major implications for nuclear forensics (looking back in time at which processes produced…

Atomic and Nanoscale Investigation of Ice Nucleation on Atmospheric Aerosols

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Lyle Gordon

Clouds control Earth's weather and climate. They cool the atmosphere by reflecting infrared solar radiation and warm the planet's surface by trapping infrared radiation. The nucleation of…

Thermally Stability of Nanostructures - An Experimental and Modeling Investigation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Aashish Rohatgi

The goal of this proposal is to develop nanostructured alloys that can be fabricated in bulk form (>1 cm3) without compromising their nanostructure, either during the fabrication process or during…

Understanding the Complexity of Biogenic Mineral Formation in Microbial Extracellular Polymeric Substances: a 3-d Nano-scale Perspective

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Alice Dohnalkova

Microbial role in sequestration of various metal has been well studied, including PNNL Microbiology group and numerous EMSL user projects. However, the current view of microbial-mineral interactions…

Improving magnetoelectric coupling in novel single-phase multiferroic thin films of the MTiO3
(M = Fe, Mn, Ni, …) family

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Tamas Varga

Multiferroics exhibit simultaneous electric and magnetic order. They are receiving increasing attention due to the fact that they show promise for the design of new multifunctional devices where…

Understanding nanoscale composition and structure of U-10Mo alloys.

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

PNNL as a part of the Global Threat Reduction Initiative (GTRI) Convert program is working on converting the high enriched uranium (HEU) fuel currently used in civilian research and test reactors to…

Microstructural Evolution under Shear Deformation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

Solid phase processing (SPP) of alloys using shear-deformation results in nanoscale metastable phases and enhanced mechanical properties. High-speed mass and energy transfer during such process makes…

EMSL Science Overview

Libor Kovarik

Projects

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Fundamental Studies of Ice Nucleation Using Environmental Scanning Electron Microscope (ESEM)

Ice Nucleation Propensity of Biological Particles

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Biomineralization and Biosequestration Mechanisms at Life's Upper Temperatures: A Reappraisal using Novel CryoEM Techniques

An Experimental and Modeling Investigation of Solidification and Microstructural Evolution in Magnesium Alloys using in situ Techniques

Novel Analyses of Hanford Plutonium Particles

Atomic and Nanoscale Investigation of Ice Nucleation on Atmospheric Aerosols

Thermally Stability of Nanostructures - An Experimental and Modeling Investigation

Understanding the Complexity of Biogenic Mineral Formation in Microbial Extracellular Polymeric Substances: a 3-d Nano-scale Perspective

Improving magnetoelectric coupling in novel single-phase multiferroic thin films of the MTiO3
(M = Fe, Mn, Ni, …) family

Understanding nanoscale composition and structure of U-10Mo alloys.

Microstructural Evolution under Shear Deformation