Nanophysics news

Using superconducting probes to get a picture of what it's like inside CNTs

Nanotechnology / Nanophysics

Nov 20, 2009 | 4.9 / 5 (8) | 0

(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...

Highlight: Damping of acoustic vibrations in gold nanoparticles

Nanotechnology / Nanophysics

Nov 19, 2009 | 4 / 5 (2) | 0

Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...

Small optical force can budge nanoscale objects

Nanotechnology / Nanophysics

Nov 17, 2009 | 4.8 / 5 (12) | 0

(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.

Highlight: STM banopatterning on pristine Nb-doped SrTiO3 surfaces

Nanotechnology / Nanophysics

Nov 04, 2009 | 5 / 5 (2) | 0

Collaborative users from the Advanced Photon Source at the Argonne National Laboratory, working with the Electronic & Magnetic Materials & Devices Group, have found a controllable way to modify the surfaces ...

Danish nanowires have great potential

Nanotechnology / Nanophysics

Nov 02, 2009 | 3 / 5 (1) | 0

Danish nanophysicists have developed a new method for manufacturing the cornerstone of nanotechnology research - nanowires. The discovery has great potential for the development of nanoelectronics and highly ...

Smart drug delivery system -- Gold nanocage covered with polymer (w/ Video)

Nanotechnology / Nanophysics

Nov 01, 2009 | 5 / 5 (5) | 0

In campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended. The poison ring is usually a confection of gold filigree holding a cabochon or ...

Roadrunner supercomputer simulates nanoscale material failure

Nanotechnology / Nanophysics

Oct 29, 2009 | 4 / 5 (1) | 0

Very tiny wires, called nanowires, made from such metals as silver and gold, may play a crucial role as electrical or mechanical switches in the development of future-generation ultrasmall nanodevices.

Researchers create all-electric spintronics

Nanotechnology / Nanophysics

Oct 27, 2009 | 5 / 5 (20) | 3

A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.

Scientists first to trap light and sound vibrations together in nanocrystal

Nanotechnology / Nanophysics

Oct 26, 2009 | 4.7 / 5 (18) | 9

(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...

Transforming nanowires into nano-tools using cation exchange reactions

Nanotechnology / Nanophysics

Oct 23, 2009 | not rated yet | 0

A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale ...

Scientists solve decade-long mystery of nanopillar formations

Nanotechnology / Nanophysics

Oct 22, 2009 | 5 / 5 (23) | 2

Scientists at the California Institute of Technology have uncovered the physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision, in potentially limitless ...

Researchers create molecular diode

Nanotechnology / Nanophysics

Oct 22, 2009 | 4.8 / 5 (4) | 0

(PhysOrg.com) -- Recently, at Arizona State University’s Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...

New material could efficiently power tiny generators

Nanotechnology / Nanophysics

Oct 22, 2009 | 4.2 / 5 (5) | 0

(PhysOrg.com) -- To power a very small device like a pacemaker or a transistor, you need an even smaller generator. The components that operate the generator are smaller yet, and the efficiency of those foundational components ...

Researchers can precisely manipulate polarization in nanostructures

Nanotechnology / Nanophysics

Oct 22, 2009 | not rated yet | 2

(PhysOrg.com) -- Researchers from the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, working with American researchers, have succeeded in using an electrical signal to control ...

Scientists bend nanowires into 2-D and 3-D structures

Nanotechnology / Nanophysics

Oct 21, 2009 | 4.3 / 5 (7) | 0

(PhysOrg.com) -- Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional ...

The Spin Cycle: Nanoresearch could lead to next generation of transistors

Nanotechnology / Nanophysics

Oct 20, 2009 | 4.9 / 5 (11) | 0

(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered ...

Company Introduces Novel Nanotechnology for Revolutionizing Imaging Using T-rays

Nanotechnology / Nanophysics

Oct 20, 2009 | 4.3 / 5 (6) | 0

Yissum Research Development Company of the Hebrew University of Jerusalem today announced that Professor L.D. Shvartsman and Professor B. Laikhtman, from the Racah Institute of Physics at the Hebrew University of Jerusalem, ...

Smallest nanoantennas for high-speed data networks

Nanotechnology / Nanophysics

Oct 20, 2009 | 3.3 / 5 (3) | 0

More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...