Research Progress
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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 -
The growth, electrical tuning, and transport studies of topological insulator thin films
Three-dimensional topological insulators are a new class of quantum materials which may host novel quantum effects such as Majorana fermions and quantized anomalous Hall effect. Harnessing the surf... 19-08-2011 -
Probing superconductivity in topological insulators at high pressure
Ordinary metals conduct electrons all the way through, whereas ordinary insulators do not conduct electrons at all. The topological insulators represent a new state of matter that the bulk is insul... 17-08-2011 -
Folded graphene shows promise for flexible electronics
Graphene, a two-dimensional carbon sheet, is a potential material for flexible electronics due to its flexibility, optical transparency, and electrical conductivity. But graphene is also a very rig... 15-08-2011 -
Electron pairing symmetry of iron-based superconductor FeSe
The discovery of iron-based superconductors breaks the monopoly on the family of high-temperature superconductors (HTS) held by copper-oxides (cuprates), and opens up a new avenue in the study of h... 08-08-2011 -
Pressure Induced Phase Transition in “111” type Iron Arsenide Superconductors: Correlation with Pressure Enhanced Superconductivity
The discovery of superconductivity in iron based compounds by Prof. Hosono in 2008 received world wide attentions. Following his pioneering “1111” type RFeAs(OF) superconductor system (R: Rare ea... 27-06-2011 -
Polarization-modulated conduction and novel resistive memory in epitaxial BFO thin films
BiFeO3 (BFO) thin films as single-phase multiferroic material show larger electric polarization and weak ferromagnetism simultaneously at room temperature. BFO is one of the prime candidates for sw... 23-05-2011 -
New and simple method for high-throughput fabrication of ultranarrow graphene nanoribbons
The experimental discovery of graphene in 2004 has evoked ever-increasing interest in exploiting this remarkable material for future nanoelectronic applications. However, the fact that graphene is ... 26-04-2011 -
All-optical logic gates and half adder at nanometer scale based on surface plasmons
Nano-plasmonic structures have shown many interesting properties and attracted great attention recently. These properties make the manipulation of light at nanoscale becoming possible. Due to the s... 25-04-2011