The unique properties of vanadium dioxide (VO2) mean it could one day outperform silicon and enable next-generation, ultralow-power devices. A key advantage of this material is that above 341 kelvin â...
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The discovery of two-dimensionally confined charge carriers has opened an exciting field of new research and various device applications. In particular, two-dimensional electron gas (2DEG) is used in ...
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Most present-day electronics are made with solid-state transistors constructed of semiconducting materials, such as silicon. This solid-state technology largely replaced the prior use of vacuum tubes ...
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Conventional light-emitting diodes (LEDs) are made of an upper ‘p-type’ layer, a middle ‘intrinsic region’ and a bottom ‘n-type’ layer. Such layered structures are called PIN diodes. Curre...
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“Rectennas” are antennas that can receive radio signals and rectify them to generate electrical power for wireless power transfer. Potential applications for rectennas range from large-sca...
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Recently, interest and research in graphene has grown rapidly due to its outstanding electrical properties. Graphene, a two-dimensional carbon-based material, has high tensile strength, stiffness, opt...
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Most microelectronic devices are fabricated using top-down processes such as photolithography. Current top-down processes face growing limitations as the demand for smaller scale applications increase...
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Improvements in technologies such as cell phones, laptops and small digital electronics are the result of the increasing capability of electronics and photonics. However, there is a continuing need fo...
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The unique properties of vanadium dioxide (VO2) lend it to a variety of applications in materials physics and solid-state electronics. Namely it exhibits a sharp metal-insulator transition (MIT) above...
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Single-walled carbon nanotubes (SWCNTs) are key building blocks for nanoscale technologies given their interesting physical and chemical properties. SWCNTs are especially promising for high speed and ...
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Block copolymer (BCP) lithography is one of the most powerful technologies of the digital electronics era, allowing millions of nanoscale components to be fabricated on a single chip. BCPs are made o...
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Stretchable electronics have many potential applications such as implantable biosensors, wearable devices and flexible displays. Yet critical components like transistors are still based on silicon. Ef...
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Photodetectors convert light signals into electrical signals and are indispensible components in most optoelectronic applications. These devices comprise various designs and materials. In recent years...
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Semiconductor nanowire lasers are promising building blocks in state-of-the-art photonic and optoelectronic devices due to their advantageous properties – including ultracompact size, efficient wave...
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Label-free sensing methods could enable detection and characterization of chemical species at the single molecule level without the aid of probes or modifications to the target of interest. Such capab...
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Electronic waste management remains an ongoing challenge both domestically and abroad. Scrap components of electronics such as computers, cellphones and refrigerators contain high amounts of heavy met...
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Diamond is considered a good material candidate for power electronics, offering reliability, low weight and power switching efficiency. Single-crystalline diamond (SCD) has the best overall properties...
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Graphene is atomically thin carbon film with unrivaled high tech potential. One of the strongest and most conductive materials known, it is stronger than diamond but capable of bending like rubber and...
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Single-walled carbon nanotubes (SWCNTs) have exceptional properties that make them useful in a variety of semiconducting applications such as field effect transistors (FETs), solar cells and gas senso...
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The demand for smaller wireless communication devices that use less power is growing. In particular, radio frequency identification (RFID) systems require small, low-power transmitters to label or &ld...
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The creation and replication of nanoscale patterns is becoming increasingly important for the development of new electromechanical, chemical and biological devices at the micro- and nanoscale.  F...
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The development of nanoscale components is becoming increasingly important as complex electromechanical, chemical and biological nanodevices are engineered to fulfill specific responsibilities in indu...
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Distributed Bragg reflectors (DBRs) are found in photodetectors, solar cells and other optical sensors. Stacks of DBRs are incorporated in vertical-cavity surface emitting lasers (VCSELs), which are a...
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Flexible electronics such as pliant displays, wearable electronics and new biomedical devices have gained popularity in recent years. Such devices are mounted on a supple plastic support layer and off...
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Semiconducting single-walled carbon nanotubes (s-SWCNTs) are key building blocks for nanoscale technologies given their interesting physical and chemical properties. They are especially promising for ...
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