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Current Germanium News and Events, Germanium News Articles.
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Solar cell is more efficient, costs less than its counterparts
A team of researchers from MIT and the Masdar Institute of Science and Technology has developed a new solar cell that combines two different layers of sunlight-absorbing material to harvest a broader range of the sun's energy and that costs less than its counterparts. (2016-08-29)

Annual production of gallium and germanium could be much higher
The global supply potential of the high-tech metals gallium and germanium is much greater than actual annual production levels. This is the main conclusion from Max Frenzel's work. Frenzel, a postgraduate student at the Helmholtz Institute Freiberg for Resource Technology, is one of two recipients of the Bernd Rendel Prize for Geosciences 2016. The prize, awarded by the German Research Foundation, will be presented on Sept. 28 at the annual conference of the German Geological Society in Innsbruck. (2016-08-26)

Twisted optics: Seeing light from a new angle
Researchers have developed a technique to generate miniature light beams that are twisted in orientation, similar in shape to a helix. (2016-07-28)

Mechanical engineering team gets $200K to study increasing capacity of lithium batteries
The National Science Foundation has awarded $200,022 to a research team led by Likun Zhu, an associate professor of mechanical engineering with the School of Engineering and Technology at Indiana University-Purdue University Indianapolis, to overcome problems with one approach to increasing the capacity of lithium ion batteries. (2016-06-29)

First-ever videos show how heat moves through materials at the nanoscale and speed of sound
Using a state-of-the-art ultrafast electron microscope, University of Minnesota researchers have recorded the first-ever videos showing how heat moves through materials at the nanoscale traveling at the speed of sound. (2016-04-15)

The odor of stones
A recent study by Chemists of the University Jena (Germany) published in the current issue of 'Nature Communications' demonstrates that diatoms are able to trace silicate minerals in the water. Moreover, they can even move actively to areas where the concentration of silicates is especially high (DOI: 10.1038/ncomms10540). (2016-02-04)

New type of nanowires, built with natural gas heating
A new simple, cost-effective approach that may open up an effective way to make other metallic/semiconducting nanomaterials. (2016-01-30)

Engineers demo first processor that uses light for ultrafast communications
Engineers have successfully married electrons and photons within a single-chip microprocessor, a landmark development that overcomes a major bottleneck in optical communications. (2015-12-23)

New approaches for hybrid solar cells
Using a new procedure researchers at the Technical University of Munich and the Ludwig Maximillians University of Munich can now produce extremely thin and robust, yet highly porous semiconductor layers. A very promising material -- for small, lightweight, flexible solar cells, for example, or electrodes improving the performance of rechargeable batteries. (2015-12-07)

Development of nanostructuring technology to simultaneously control heat and electricity
The improvement of thermoelectric materials that can directly convert wasted heat to electric energy may lead to one of the solutions for energy issues. Yoshiaki Nakamura, Professor of Osaka University proposed a unique nanostructure and established a methodology for the development of a material in which heat and electricity conductions can be controlled simultaneously. (2015-11-08)

One direction: Researchers grow nanocircuitry with semiconducting graphene nanoribbons
Researchers from the University of Wisconsin at Madison are the first to grow self-directed graphene nanoribbons on the surface of the semiconducting material germanium. This allows the semiconducting industry to tailor specific paths for nanocircuitry in their technologies. Confirmation of the findings was done at Argonne's Center for Nanoscale Materials. (2015-10-13)

Discovery in growing graphene nanoribbons could enable faster, more efficient electronics
Graphene, an atom-thick material with extraordinary properties, is a promising candidate for the next generation of dramatically faster, more energy-efficient electronics. However, scientists have struggled to fabricate the material into ultra-narrow strips, called nanoribbons, that could enable the use of graphene in high-performance semiconductor electronics. Now, University of Wisconsin-Madison engineers have discovered a way to grow graphene nanoribbons with desirable semiconducting properties directly on a conventional germanium semiconductor wafer. (2015-08-11)

Not Schrödinger's Cat: NIST PET phantoms bring new accuracy to medical scans
Teaming with a medical equipment company, NIST researchers have demonstrated the first calibration system for Positron Emission Tomography scanners directly tied to national measurement standards. The new calibration capability can be used to fine-tune PET scanners that find cancers and track the progress of treatments, among other diagnostic applications. It will be used to ensure the accuracy of some of the newest scanners on the market. (2015-07-30)

Controlling phase changes in solids
A recent study demonstrates the rapid control of phase-changes in resonantly bonded materials. (2015-07-28)

Bringing high-energy particle detection in from the cold
Conventional semiconductor detectors made from germanium and silicon are standard equipment in nuclear physics, but are less useful in many emerging applications because they require low temperatures to operate. In recent years, scientists have been seeking new semiconductor materials to develop high-performance radiation detectors that can operate at room temperature, and now researchers from Oak Ridge National Laboratory think they have a good candidate material: a compound called thallium sulfide iodide. (2015-05-05)

Two-dimensional dirac materials: Structure, properties, and rarity
Great development of graphene has inspired the seeking for other two-dimensional (2-D) materials. However, the systems with Dirac cones are so rare compared with the numerous 2-D systems. Why? To answer this question, researchers from Peking University based in China, reviewed the recent progress on theoretical studies of 2-D Dirac systems. Their structural and electronic properties were summarized. Moreover, the scarcity of Dirac cones in 2-D systems can be well explained by the von Neumann-Wigner theorem. (2015-03-31)

University of Houston researchers discover new material to produce clean energy
Researchers at the University of Houston have created a new thermoelectric material, intended to generate electric power from waste heat -- from a vehicle tailpipe, for example, or an industrial smokestack -- with greater efficiency and higher output power than currently available materials. (2015-03-03)

Black phosphorus is new 'wonder material' for improving optical communication
In a new study, researchers from the University of Minnesota used an ultrathin black phosphorus film -- only 20 layers of atoms -- to demonstrate high-speed data communication on nanoscale optical circuits. (2015-03-02)

UC research partnership explores how to best harness solar power
Researchers report that a blend of polymers could one day make solar power lighter, cheaper and more efficient. (2015-03-02)

The future of electronics -- now in 2-D
The future of electronics could lie in a material from its past, as researchers from The Ohio State University work to turn germanium -- the material of 1940s transistors -- into a potential replacement for silicon. (2015-02-14)

New laser for computer chips
Scientists from Forschungszentrum Juelich and the Paul Scherrer Institute in Switzerland in cooperation with international partners have presented the first semiconductor consisting solely of elements of main group IV. As a consequence, the germanium-tin laser can be applied directly onto a silicon chip and thus creates a new basis for transmitting data on computer chips via light: this transfer is faster than is possible with copper wires and requires only a fraction of the energy. (2015-01-19)

Hands on: Crafting ultrathin color coatings
Research from Harvard School of Engineering and Applied Sciences suggests that an ultra-thin layer of a metal and a semiconductor could be applied to essentially any rough or flexible material to produce a vividly colored coating. The technique, which exploits optical interference effects, could potentially be used on wearable fabrics or stretchable electronics. (2014-12-22)

Germanium comes home to Purdue for semiconductor milestone
A laboratory at Purdue University provided a critical part of the world's first transistor in 1947 -- the purified germanium semiconductor -- and now researchers here are on the forefront of a new germanium milestone. (2014-12-09)

UH researcher wins $1.5 million federal solar energy award
A University of Houston researcher is trying a novel approach to create high efficiency, low cost solar cells in an effort to bring the cost down to that of traditional electricity sources. Venkat Selvamanickam, M.D. Anderson Chair professor of mechanical engineering and director of the Applied Research Hub at the Texas Center for Superconductivity at UH, received a $1,499,994 grant from the U.S. Department of Energy SunShot Initiative to produce high efficiency, inexpensive thin film photovoltaics. (2014-10-22)

Graphene gets a 'cousin' in the shape of germanene
A team of European researchers has become one of the first groups to successfully synthesize the 2-D material germanene. (2014-09-09)

Light pulses control graphene's electrical behavior
Finding could allow ultrafast switching of conduction, and possibly lead to new broadband light sensors. (2014-08-01)

How strongly does tissue decelerate the therapeutic heavy ion beam?
Cancer treatment with heavy ion irradiation: Scientists of the Physikalisch-Technische Bundesanstalt in Germany have established an experiment for the more exact determination of the stopping power of tissue for carbon ions in the therapeutically relevant area which is so far unique worldwide. This can contribute to clearly improving the dosing for cancer therapy with carbon ions. (2014-07-15)

Superconducting-silicon qubits
Theorists propose a way to make superconducting quantum devices such as Josephson junctions and qubits, atom-by-atom, inside a silicon crystal. Such systems could combine the most promising aspects of silicon spin qubits with the flexibility of superconducting circuits. (2014-07-02)

Recycling the next generation
About 70 billion tons of raw materials are extracted world wide annually. That is twice as much as at the end of the 1970s. This trend is continuing -- even with finite resources. One way to have enough materials available for manufacturing new goods in future is to recycle continually. Fraunhofer researchers are working on the advanced 'Molecular Sorting' project for the next-generation circular economy. (2014-05-07)

Faster dental treatment with new photoactive molecule
Photoactive materials are used in modern dentistry, which harden when they are exposed to light. Usually, only thin layers of up to 2 mm can be hardened, due to the limited penetration depth of light. A new dental filling material allows for thicker layers and faster dental procedures. (2014-04-30)

SU plays key role in search for elusive dark matter
The ongoing search for invisible dark matter is the subject of a recent article involving physicists from Syracuse University's College of Arts and Sciences. Research by Richard Schnee, assistant professor of physics, is referenced in Symmetry magazine, a joint publication of the Stanford Linear Accelerator Center in Palo Alto, Calif., and Fermilab in Batavia, Ill. (2014-04-10)

Nanosheets and nanowires
Researchers in China have found a convenient way to selectively prepare germanium sulfide nanostructures, including nanosheets and nanowires, that are more active than their bulk counterparts. (2014-04-01)

A cavity that you want
An international research team is developing an optical 'nanocavity' that boosts the amount of light that ultrathin semiconductors absorb. The advancement could lead to: more powerful photovoltaic cells; faster video cameras; and it could be useful for splitting water using energy from light, which could aid in the development of hydrogen fuel. (2014-02-26)

Ames Laboratory's Karl Gschneidner wins Acta Materialia Materials and Society Award
Karl A. Gschneidner Jr., senior metallurgist at the US Department of Energy's Ames Laboratory, was presented the 2014 Acta Materialia Materials and Society Award on Feb. 18. The award honors scientists who have made a major positive impact on society through materials science. (2014-02-24)

Improving lithium-ion batteries with nanoscale research
New research led by an electrical engineer at the University of California, San Diego is aimed at improving lithium-ion batteries through possible new electrode architectures with precise nano-scale designs. The researchers created nanowires that block diffusion of lithium across their silicon surface and promote layer-by-layer axial lithiation of the nanowire's germanium core. (2013-09-30)

Graphene photodetector integrated into computer chip
It has been known for some time that the novel material graphen has very interesting properties which could be used for microelectronics. Now, scientists at the Vienna University of Technology succeeded in combining a graphene sheet with a silicon chip. That way, the conversion between optical and electronic signals can be directly integrated into a computer chip. (2013-09-16)

The '50-50' chip: Memory device of the future?
A new, environmentally-friendly electronic alloy consisting of 50 aluminum atoms bound to 50 atoms of antimony may be promising for building next-generation (2013-09-13)

Growing thin films of germanium
Researchers have developed a new technique to produce thin films of germanium crystals -- key components for next-generation electronic devices such as advanced large-scale integrated circuits and flexible electronics, which are required for gadgets that move or bend. (2013-09-06)

Earliest known iron artifacts come from outer space
Researchers have shown that ancient Egyptian iron beads held at the UCL Petrie Museum were hammered from pieces of meteorites, rather than iron ore. The objects, which trace their origins to outer space, also predate the emergence of iron smelting by two millennia. (2013-08-19)

Pass the salt: Common condiment could enable new high-tech industry
Chemists have identified a compound that could significantly reduce the cost and potentially enable the mass commercial production of silicon nanostructures -- materials that have huge potential in everything from electronics to biomedicine and energy storage. This extraordinary compound is called table salt. (2013-08-08)

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