Materials Science

/Materials Science

The Quest for Efficiency in Thermoelectric Nanowires

Sandia researchers say better materials and manufacturing techniques for nanowires could allow car makers to harvest power from the heat wasted by exhaust systems or lead to more efficient devices to cool computer chips. Graham Yelton and Sandia colleagues have developed a single electroforming technique that tailored key factors to better thermoelectric performance: crystal [...]

By | 2016-12-02T18:48:17+00:00 February 26th, 2015|Materials Science, News, News & Events, Research & Capabilities|Comments Off on The Quest for Efficiency in Thermoelectric Nanowires

Storing Hydrogen Underground Could Boost Transportation, Energy Security

Large-scale storage of low-pressure, gaseous hydrogen in salt caverns and other underground sites for transportation fuel and grid-scale energy applications offers several advantages over above-ground storage, says a recent Sandia study sponsored by the DOE Fuel Cell Technologies Office. Geologic storage of hydrogen gas could make it possible to produce and distribute large quantities of [...]

Two Sandia Leaders Elected American Association for the Advancement of Science Fellows

Gil Herrera, director of Sandia’s Microsystems Science, Technology, and Components Center and a recently elected AAAS Fellow. Gil Herrera (Director of Sandia’s Microsystems Science, Technology, and Components Center and head of Sandia’s Microsystems and Engineering Sciences Applications [MESA] complex) and Steve Rottler (Vice President of Sandia’s California laboratory and leader of the Labs’ [...]

By | 2017-01-25T20:02:11+00:00 December 15th, 2014|Climate, Energy, Infrastructure Security, Materials Science, News, News & Events, Research & Capabilities|Comments Off on Two Sandia Leaders Elected American Association for the Advancement of Science Fellows

Sandia Wins DOE Geothermal Technologies Office Funding Award

(a) A fractured well. (b) Fractured zones loaded with unique tagged nanoparticles inside the proppant. (c) Tagged nanoparticles released from each zone over time. Above-ground sampling will be analyzed for the tagged nanoparticles. This diagram indicates: no flow from green zone, medium flow from blue zone, high flow from red zone. The DOE’s [...]

By | 2016-12-02T18:48:20+00:00 December 15th, 2014|Advanced Materials Laboratory, Capabilities, Energy, Facilities, Geothermal, Materials Science, News, News & Events, Partnership, Renewable Energy, Research & Capabilities|Comments Off on Sandia Wins DOE Geothermal Technologies Office Funding Award

Sandian Receives the Illuminating Engineering Society of North America, South Region Technical Award

Sandia's Jeff Tsao (center) received his Technical Award from the Illuminating Engineering Society of North America (South Region) at the IES regional meeting in Albuquerque. The Illuminating Engineering Society (IES) builds on a century of excellence to create the premier lighting community dedicated to promoting the art and science of quality lighting to [...]

By | 2016-12-02T18:48:20+00:00 December 12th, 2014|Capabilities, Energy, Energy Efficiency, Materials Science, News, News & Events, Research & Capabilities, Solid-State Lighting|Comments Off on Sandian Receives the Illuminating Engineering Society of North America, South Region Technical Award

New Sandia Mirror Isn’t Shiny: Instead It Reflects Infrared Light Using a Metamaterial

Normalized radiative decay rate of a transverse-electric dipole oscillating at the magnetic resonance frequency as a function of the dipole–surface separation for both a 5×5 array approximating our optical magnetic mirror (OMM, red curve) and a gold surface (black curve). The distance of the dipole from the OMM is calculated using the center of [...]

By | 2016-12-02T18:48:20+00:00 December 12th, 2014|Capabilities, Materials Science, News, News & Events, Research & Capabilities|Comments Off on New Sandia Mirror Isn’t Shiny: Instead It Reflects Infrared Light Using a Metamaterial

Sandian Selected for Outstanding Engineer Award

The Institute of Electrical and Electronics Engineers (IEEE) Region 6: Southwest Area (encompassing New Mexico, Arizona, California, and Nevada) has selected Dr. Jose Luis Cruz-Campa (in Sandia’s MEMS* Technologies Dept.) as the recipient of their 2014 Outstanding Engineer Award for his “critical technical and leadership contributions to the development of microsystems-enabled PV (MEPV) technology and [...]

By | 2016-12-02T18:48:22+00:00 December 10th, 2014|Energy, Materials Science, News, News & Events, Photovoltaic, Renewable Energy, Research & Capabilities, Solar|Comments Off on Sandian Selected for Outstanding Engineer Award

Sandians Won Best Poster Award at the ASME 12th Fuel Cell Science, Engineering, and Technology Conference

Brian Somerday and Joe Ronevich (both in Sandia’s Hydrogen and Combustion Technology Dept.) won the Best Poster Award for their presentation “Assessing Hydrogen Pipeline Reliability: Quantifying Susceptibility of Pipeline Steels to Hydrogen Gas-Accelerated Fatigue Crack Growth” at the ASME 12th Fuel Cell Science, Engineering and Technology Conference in Boston, Massachusetts. One pathway for delivering H2 [...]

By | 2016-12-02T18:48:22+00:00 December 10th, 2014|Center for Infrastructure Research and Innovation (CIRI), Energy, Facilities, Materials Science, News, News & Events, Research & Capabilities, Transportation Energy|Comments Off on Sandians Won Best Poster Award at the ASME 12th Fuel Cell Science, Engineering, and Technology Conference

Combining ‘Tinkertoy’ Materials with Solar Cells for Increased Photovoltaic Efficiency

Sandia researchers have received a $1.2M award from the DOE’s SunShot Initiative to develop a technique that they believe will significantly improve photovoltaic (PV) materials efficiency and help make solar electricity cost-competitive with other energy sources. Sandia researcher Vitalie Stavila inserts a substrate patterned with electrodes into a temperature-controlled liquid-phase reactor for depositing MOF thin [...]

By | 2016-12-02T18:48:23+00:00 December 4th, 2014|Energy, Materials Science, News, News & Events, Photovoltaic, Renewable Energy, Research & Capabilities, Solar|Comments Off on Combining ‘Tinkertoy’ Materials with Solar Cells for Increased Photovoltaic Efficiency

Fuel-Cell-Powered Mobile Lights Tested, Proven, Ready for Commercial Use

Developed by Sandia and several industry partners, the fuel-cell mobile light offers a cleaner, quieter alternative to diesel-pow-ered units. As seen here (top center), the system has been used by airport construction personnel at San Francisco International Airport and in other applications. (Photo by Dino Vournas) Mobile lighting systems powered by hydrogen (H2) [...]

By | 2016-12-02T18:48:23+00:00 December 4th, 2014|Center for Infrastructure Research and Innovation (CIRI), Energy, Facilities, Materials Science, News, News & Events, Research & Capabilities, Transportation Energy|Comments Off on Fuel-Cell-Powered Mobile Lights Tested, Proven, Ready for Commercial Use