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crystalline material
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NRL Demonstrates Growth of Thin-Film Niobium Nitride
Jul 7, 2017The US Naval Research Laboratory (NRL) has demonstrated the ability to grow thin films of the transition-metal nitride Nb2N (niobium nitride). The thin crystalline material has a similar structure to gallium nitride (GaN), but its ...
Tags: Thin-Film Niobium Nitride, LED
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Researchers Have Found a New Way to Tune The Radio Frequency in Smartphones
Nov 19, 2013Researchers have found a new way to tune the radio frequency in smartphones and other wireless devices that promises to reduce costs and improve performance of semiconductors used in defense, satellite and commercial communications. ...
Tags: researcher, range, wireless, frequency, smartphone
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Utilizing Silicon Substrates in The Production of an LED Requires Many Steps
May 3, 2013Traditionally Gallium Nitride (GaN) LED devices are produced on either sapphire or silicon carbide (SiC) substrates, due to the good crystal lattice matching between the materials and the GaN, with typically 2” or 4” diameter ...
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Chemists Have Developed The Technology for Making a One-Atom-Thick Sheet of Germanium
Apr 16, 2013The same material that formed the first primitive transistors more than 60 years ago can be modified in a new way to advance future electronics, according to a new study. Chemists at Ohio State University have developed the technology for ...
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Is It Time for High-Brightness LED Manufacturing to Get Serious About Process Control?
Mar 13, 2013Is it time for high-brightness LED manufacturing to get serious about process control? If so, what lessons can be learned from traditional, silicon-based integrated circuit manufacturing? The answer to the first question can be ...
Tags: LED manufacturing, LED substrate, MOCVD
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Birefringent Materials Are Used to Create Polarising Filters or Interference Colours
Feb 19, 2013Birefringence, a property of a crystalline material describes how within the material there are two distinct indices of refraction. Birefringent materials are used to create polarising filters or interference colours. Krystian Roleder, ...
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NASA's Mars Rover Has Discovered That Martian Soil Is an Awfully Lot Like Hawaiian Land
Jan 4, 2013In initial tests, NASA's Mars rover Curiosity has discovered that Martian soil is an awfully lot like Hawaiian sand. The super rover, which has been working on Mars since this past August, ran its first soil samples over the past few ...
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GT Advanced Technologies Inc of Merrimack, NH, USA
Dec 24, 2012GT Advanced Technologies Inc of Merrimack, NH, USA (a provider of polysilicon production technology as well as sapphire and silicon crystalline growth systems and materials for the solar, LED and electronics markets) has acquired certain ...
Tags: GT, Twin Creeks, sapphire furnace, polysilicon
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Diodes, in General, Are Made of Very Thin Layers of Semiconductor Material
Dec 17, 2012Diodes, in general, are made of very thin layers of semiconductor material; one layer will have an excess of electrons, while the next will have a deficit of electrons. This difference causes electrons to move from one layer to another, ...
Tags: LED, Light Emitting Diode
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The Assets Were Purchased From Twin Creeks' Lenders in a Private Sale for $10 Million
Nov 28, 2012The assets were purchased from Twin Creeks’ lenders in a private sale for approximately $10 million and royalties that will be based on future sales. GT expects that Twin Creeks’ unique Hyperion™ ion implanter ...
Tags: GT, Twin Creeks, Vikram Singh
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