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NRL Demonstrates Growth of Thin-Film Niobium Nitride

Jul 7, 2017

The 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

Researchers Have Found a New Way to Tune The Radio Frequency in Smartphones

Nov 19, 2013

Researchers 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

Utilizing Silicon Substrates in The Production of an LED Requires Many Steps

May 3, 2013

Traditionally 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 ...

Tags: LED GaN, LED, Lighting

Chemists Have Developed The Technology for Making a One-Atom-Thick Sheet of Germanium

Apr 16, 2013

The 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 ...

Tags: Semiconductors, Thin-Layer Germanium

Is It Time for High-Brightness LED Manufacturing to Get Serious About Process Control?

Mar 13, 2013

Is 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

Birefringent Materials Are Used to Create Polarising Filters or Interference Colours

Feb 19, 2013

Birefringence, 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, ...

Tags: Birefringence, crystalline material, distinct indices

NASA's Mars Rover Has Discovered That Martian Soil Is an Awfully Lot Like Hawaiian Land

Jan 4, 2013

In 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 ...

Tags: NASA, Curiosity, soil, Mars, Hawaiian

GT Advanced Technologies Inc of Merrimack, NH, USA

Dec 24, 2012

GT 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

Diodes, in General, Are Made of Very Thin Layers of Semiconductor Material

Dec 17, 2012

Diodes, 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

The Assets Were Purchased From Twin Creeks' Lenders in a Private Sale for $10 Million

Nov 28, 2012

The 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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