HOME >> BIOLOGY >> NEWS
Physicists reveal first 'nanoflowers'

Today the Institute of Physics releases some of the most beautiful science images of the year so far, a collection of photomicrographs of tiny "flowers" and "trees" less than one thousandth the width of a human hair. The images are published in the Institute journal Nanotechnology.

These stunning images were taken by Ghim Wei Ho, a PhD student studying nanotechnology at Cambridge University. She has named some of her best photographs nanobouquet, nanotrees, and nanoflower because of their curious similarity to familiar organic structures such as flower-heads and tiny growing trees.

Ghim Wei's work involves making new types of materials based on nanotechnology and these flowers are an example of such a new material. Here, nanometre scale wires (about one thousandth the diameter of a human hair) of a silicon-carbon material (silicon carbide) are grown from tiny droplets of a liquid metal (Gallium) on a silicon surface, like the chips inside our home computers.

The wires grow as a gas containing methane flows over the surface. The gas reacts at the surface of the droplets and condenses to form the wires. By changing the temperature and pressure of the growth process the wires can be controllably fused together in a natural process to form a range of new structures including these flower-like materials.

Professor Mark Welland, head of Cambridge's Nanoscale Science Laboratory and Ghim Wei's supervisor, said:

"The unique structures shown in these images will have a range of exciting applications. Two that are currently being explored are their use as water repellant coatings and as a base for a new type of solar cell. We have already shown that as a coating water droplets roll off these surfaces when they are tilted at angles as small as 5 degrees. This behavior is a direct consequence of the ability of such nanostructured surfaces to strongly repel water".

Dr Paul Danielsen, director of communications at the Institute of P
'"/>

Contact: David Reid
david.reid@iop.org
44-207-470-4815
Institute of Physics
21-Jun-2004


Page: 1 2

Related biology news :

1. Physicists use fractals to help Parkinsons sufferers
2. Physicists Find Simple Solution To Great-And-Small Mystery
3. DNA lends scientists a hand, revealing new chemical reactions
4. Award winning researchers reveal potential new role for Glivec
5. Hidden diversity: DNA barcoding reveals a common butterfly is actually 10 different species
6. Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
7. Brown research reveals key insight into memory-making
8. Study reveals why eyes in some paintings seem to follow viewers
9. Fossil genes reveal how life sheds form and function
10. New dye directly reveals activated proteins in living cells
11. Israeli scientists reveal the plan of a key cellular machine

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Physicists reveal first nanoflowers

(Date:10/31/2014)... Geologists are letting the air out of a nagging mystery ... have long speculated as to why animal species didn,t flourish ... to prosper at the end of the Proterozoic period, about ... stretch before that, when most researchers think there also was ... so great then, after all. , In a study published ...
(Date:10/31/2014)... University of Adelaide-led project has developed a new test ... against the H5N1 strain of avian influenza virus or ... , This is a significant step in the fight ... is widespread in the poultry populations of South East ... concern because of its possible transmission to humans and ...
(Date:10/30/2014)... Mich. – When most animals begin life, cells immediately ... a vital organ. However, mammals, including humans, are special. ... different first choice – to become the protective placenta ... during this critical first step that research from Michigan ... in the current issue of PLOS Genetics ...
Breaking Biology News(10 mins):Lack of oxygen delayed the rise of animals on Earth 2New step towards eradication of H5N1 bird flu 2Identifying the source of stem cells 2
(Date:10/30/2014)... James Sherley says he has been working ... cell technology since his days as a principal investigator at ... late 1990’s. Sherley founded the ASCTC as a new ... the intellectual property developed in Sherley’s research over the years ... of Technology (MIT), and more recently as a senior scientist ...
(Date:10/30/2014)... UAE (PRWEB) October 30, 2014 Grace Century ... Dr. James A. Manganello, Chairman of the Board, to the ... Bahamas. The appointment was made by the Ministry of ... September 24th, 2014. , More than a year ... Research Bill , Prime Minister Perry Christie said the government ...
(Date:10/30/2014)... one of the key challenges in the development of ... physicists. , In a paper published today (28 October) ... colleagues show how to make a new type of ... devices, such as high-precision sensors and specialised superfast computers, ... But the methods for trapping these tiny particles are ...
(Date:10/27/2014)... 2014 The Italian company ... and sell its artificial "lower limb", after the ...      (Photo: http://photos.prnewswire.com/prnh/20141027/713097 ) ... the definitive judgement has arrived: Roadrunnerfoot, the small ... accessible hi-tech prostheses with composite materials, has won ...
Breaking Biology Technology:Boston’s Adult Stem Cell Technology Center, LLC Introduces A New Technology for Monitoring Previously Elusive Adult Stem Cells 2Boston’s Adult Stem Cell Technology Center, LLC Introduces A New Technology for Monitoring Previously Elusive Adult Stem Cells 3Boston’s Adult Stem Cell Technology Center, LLC Introduces A New Technology for Monitoring Previously Elusive Adult Stem Cells 4Grace Century’s Stem Cell Biobank Project Announces Chairman’s Appointment to National Stem Cell Ethics Committee of The Bahamas 2Grace Century’s Stem Cell Biobank Project Announces Chairman’s Appointment to National Stem Cell Ethics Committee of The Bahamas 3Italian Lower Limb Prosthesis Company Wins Lawsuit Against German Giant Ottobock 2
Cached News: