Publications

Evolutionary selection growth of two-dimensional materials on polycrystalline substrates

Journal: Nature Materials

There is a demand for manufacturing 2D materials with the ultimate quality of single crystals and arbitrary size. Usually, epitaxial growth is considered the method of choice1 in prepar-ing single crystalline thin films but it in turn requires single crystal substrates for deposition. Here we present a different...

The Sphagnome Project: enabling ecological and evolutionary insights through a genus-level sequencing project

Journal: New Phytologist

Considerable progress has been made in ecological and evolutionary genetics with studies demonstrating how genes underlying plant and microbial traits can influence adaptation and even ‘extend’ to influence community structure and ecosystem level processes.Progress in this area is limited to model systems with deep...

Historical Review of the Transportation Analysis Fact of the Week, 1996-2017

The Department of Energy’s Vehicle Technologies Office (VTO) hosts a transportation analysis fact of the week on its webpage. ORNL has produced the fact of the week for VTO since 2001. This report examines the themes of the first 1,000 published facts, highlighting analytical trends. The most popular themes have...

Development of a range-extended electric vehicle powertrain for an integrated energy systems research printed utility vehicle

Journal: Applied Energy

Rapid vehicle and powertrain development has become essential to for the design and implementation of vehicles that meet and exceed the fuel efficiency, cost, and performance targets expected by today’s consumer while keeping pace with reduced development cycle and more frequent product releases. Recently, advances...

A biokinetic model for systemic nickel

Journal: Health Physics

The International Commission on Radiological Protection (ICRP) is updating its suite of reference biokinetic models for internally deposited radionuclides. This paper reviews data for nickel and proposes an updated biokinetic model for systemic (absorbed) nickel in adult humans for use in radiation protection....

Comment on "Mycorrhizal association as a primary control of the CO2 fertilization effect"

Journal: Science

Terrer et al. (Reports, 1 July 2016, p. 72) used meta-analysis of carbon dioxide (CO2) enrichment experiments as evidence of an interaction between mycorrhizal symbiosis and soil nitrogen availability. We challenge their database and biomass as the response metric and, hence, their recommendation that...

Structure and thermochemistry of perrhenate sodalite and mixed guest perrhenate/pertechnetate sodalite

Journal: Environmental Science and Technology

Treatment and immobilization of technetium-99 (99Tc) contained in reprocessed nuclear waste and present in contaminated subsurface systems represents a major environmental challenge. One potential approach to managing this highly mobile and long-lived radionuclide is immobilization into micro- and meso-porous...

Active layer hydrology in an arctic tundra ecosystem: quantifying water sources and cycling using water stable isotopes

Journal: Hydrological Processes

Climate change and thawing permafrost in the Arctic will significantly alter landscape hydro-geomorphology and the distribution of soil moisture, which will have cascading effects on climate feedbacks (CO2 and CH4) and plant and microbial communities. Fundamental processes critical to predicting active layer...

Strategy for Texture Management in Metals Additive Manufacturing

Journal: JOM Magazine

Additive manufacturing (AM) technologies have long been recognized for their ability to fabricate complex geometric components directly from models conceptualized through computers, allowing for complicated designs and assemblies to be fabricated at lower costs, with shorter time to market,...

Identification of Mercury and Dissolved Organic Matter Complexes Using Ultrahigh Resolution Mass Spectrometry

Journal: Environmental Science and Technology Letters

The chemical speciation and bioavailability of mercury (Hg) is markedly influenced by its complexation with naturally dissolved organic matter (DOM) in aquatic environments. To date, however, analytical methodologies capable of identifying such complexes are scarce. Here, we utilize ultrahigh resolution Fourier...

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