Research Progress
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Tensile Plasticity in Metallic Glasses with Pronounced second Relaxations
Metallic glasses are commonly brittle, as they generally fail catastrophically under uniaxial tension. The demonstration of plastic flow in tension i.e. true ductility, is long a holy grail for met... 08-02-2012 -
Superfast-Response and Ultrahigh-Power-Density Artificial Muscle Actuators Based on Hierarchical SWNT Films
Carbon nanotubes (CNTs) have shown high specific surface area, exceptional mechanical and electrical properties, making them prime candidates for high strength composites, energy storage and conve... 10-01-2012 -
Compact-designed supercapacitors using free-standing single-walled carbon nanotube films
As energy storage devices, supercapacitors, also known as electrochemical capacitors, have attracted much attention because of their high power and energy densities and long cycle life. Supercapaci... 10-01-2012 -
Finding toughening mechanisms of metallic glasses
It has been a long outstanding question on whether atomic size effects or electronic structure plays the major role of plasticity versus brittleness properties of metallic alloys. 07-12-2011 -
High-efficiency and bulk-quantity synthesis of B and N co-doped single-walled carbon nanotubes through improved carbothermal substitution reaction
Substitutional doping of carbon nanotubes (C-NTs) with boron (B) and/or nitrogen (N) to tune their electronic properties is of fundamental and practical importance. Take the B and N co-doped ternar... 23-11-2011 -
Ultrasmall Silver Nanopores Fabricated by Femtosecond Laser Pulses
It is challenging to make nanostructures using optical methods, mainly due to the well-known light diffraction limitation. Ultrafast laser pulses provide one promising way, making it fascinating th... 16-11-2011 -
Raman scattering study of graphene nanoribbons with Hydrogen-terminated zigzag edges
Graphene nanoribbons with zigzag edges (Z-GNRs) have attracted intense attention owing to their unique properties arising from the edges. Many theoretical and experimental investigations have shown... 03-11-2011 -
The elastic properties and elastic model of Bulk Metallic Glasses
The glass transition and plastic deformation mechanism of bulk metallic glasses (BMGs) has been one of hot research topics in the material science and condensed matter physics. 19-10-2011 -
A new generation ferromagnet based on I–II–V semiconductor
Ferromagnetic systems obtained by doping transition metals into semiconductors1 have generated extensive studies since early 1990s because of their potential use for spin-sensitive electronics (spi... 11-10-2011 -
Chiral surface plasmon polaritons in metallic nano-waveguides and nanoscale 1/4 wave plate
Surface plasmon polaritons (SPPs) in metallic nanostructures possess many peculiar optical properties, such as optical localization effect, extraordinary optical transmission, resonant frequencies ... 26-09-2011 -
Observing a single Li-ion-column at atomic resolution using aberration-corrected annular-bright-field microscopy
Transmission electron microscopes (TEM) are amongst the most powerful tools for observing the microstructure of materials at high spatial resolution. The trend of modern scientific development has ... 23-09-2011 -
Li4Ti5O12 coated by nitrogen-doped carbon for long life stationary Li ion batteries
Among all the electrochemical energy storage devices, lithium ion battery, due to its high energy density, high power density, has been widely used in portable electronic devices, and has also been... 19-09-2011 -
Bandgap Engineering of MgZnO Materials and High Performance Solar-blind UV Detectors
Solar-blind materials based on wide bandgap semiconductors such as AlGaN, diamond and MgZnO, have received tremendous attention due to their potential applications in solar-blind ultraviolet (UV) d... 05-09-2011 -
Zigzag-edged Graphene Nanostructures for future graphene electronics
Graphene, a monolayer of covalently bonded carbon atoms, due to its extraordinarily high carrier mobility and excellent chemical stability, is considered to be a potential material for future elect... 01-09-2011 -
Ferroelectric Gated Electrical Transport in CdS Nanotetrapods
Complex nanostructures such as multi-armed II-VI semiconductor nanotetrapods, which normally consist of four wurtzite-structured “arms” projecting out at the tetrahedral angle bridged at a pyrami... 22-08-2011