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InK-edge extended X-ray absorption fine structure of InGaN epilayers and quantum boxes

Publications associées (39)

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Integrated Biosensors for Personalized Medicine

Giovanni De Micheli, Sandro Carrara, Irene Taurino, Cristina Boero, Camilla Baj-Rossi

Biosensors are heterogenous devices, incorporating biological struc- tures combined with electronics, optical or other readout systems. They have been developed for detecting different biomolecules and/or pathogens and represent a key technology for advanc ...

Ieee2012

Physics of the Ultrafast Dynamics of Excitons in GaN Nanostructures

Pierre Michel Corfdir

For more than fifteen years, III-nitrides have become the materials of choice for the realization of optoelectronics devices operating in the visible-UV spectral range. Yet, while nitride-based technology has truly exploded, the structural quality of this ...

EPFL2011

Transforming terpene feedstock into polyketide architecture

Christoph Heinz

The Cu-catalyzed synthesis of skipped 1,4-dienes from allylic acetates and vinyl-Grignard reagents is key to bidirectional modifications of acyclic terpene acetates. As a result, trisubstituted double bond containing subunits can be readily transferred int ...

Royal Society of Chemistry2011

New Approaches towards Organic Photodetection and Bio-Integration

Diego Ghezzi

Organic semiconductors technology has only recently started to merge with biology and medicine, especially in the field of polymeric coatings as protective layers for artificial devices. Very few examples, however, report the use of semiconducting polymers ...

2010

New Approaches towards Organic Photodetection and Bio-Integration

Diego Ghezzi

2010

Single Photons from Coupled Quantum Modes

Vincenzo Savona, Timothy Chi Hin Liew

Single photon emitters often rely on a strong nonlinearity to make the behavior of a quantum mode susceptible to a change in the number of quanta between one and two. In most systems, the strength of nonlinearity is weak, such that changes at the single qu ...

American Physical Society2010

Cryptanalysis of e-mail protocols providing perfect forward secrecy

Recently, two e-mail protocols were proposed claiming to provide perfect secrecy. These protocols use authentication and (Diffie-Hellman) key-exchange techniques, and as such, other standard security criteria besides perfect forward secrecy include key-rep ...

2008

Key Agreement in Peer-to-Peer Wireless Networks

Jean-Pierre Hubaux, Mario Cagalj, Srdan Capkun

We present a set of simple techniques for key establishment over a radio link in peer-to-peer networks. Our approach is based on the Diffie-Hellman key agreement protocol, which is known to be vulnerable to the ``man-in-the-middle" attack if the two users ...

2006

Synchrotron light in semiconductor research: Three decades of revolution

Giorgio Margaritondo

Since the late 1960s, synchrotron-based experimental techniques have been playing a key role in semiconductor research. Major milestones include the observation of intrinsic and extrinsic surface and interface states, the study of interface formation proce ...

2006

On Bluetooth repairing: key agreement based on symmetric-key cryptography

Serge Vaudenay

Despite many good (secure) key agreement protocols based on public-key cryptography exist, secure associations between two wireless devices are often established using symmetric-key cryptography for cost reasons. The consequence is that common daily used s ...

2005