Concept

Field electron emission

Related publications (284)

Surface emitting Terahertz Photonic Crystal Quantum Cascade Laser realized by Bragg boundary condition

Romuald Houdré, Jérôme Faist, Zhaolu Diao, Christopher Bonzon

We theoretically and experimentally investigate a band edge Photonic Crystal (PhC) Quantum Cascade Laser (QCL) operating at 3.1 THz. The surface emission is achieved by using a second-order Bragg grating at the PhC tile boundaries. Highly directional surfa ...

Ieee2012

Electron beam apparatus

Jean Berney

A method suitable for preparing a specimen for inspection, the method comprising the steps of: irradiating a photocathode so that the photocathode emits electrons from a surface of the photocathode, wherein the emitted electrons each follow a trajectory, a ...

2012

Cold-Field Switching in PVDF-TrFE Ferroelectric Polymer Nanomesas

Nava Setter, Alexander Tagantsev, Igor Stolichnov, Evgeny Mikheev

Polarization reversal in ferroelectric nanomesas of polyvinylidene fluoride with trifluoroethylene has been probed by ultrahigh vacuum piezoresponse force microscopy in a wide temperature range from 89 to 326 K. In dramatic contrast to the macroscopic data ...

American Physical Society2012

Scanning Tunneling Microscopy and Spectroscopy of Supported Nanostructures

Wolf-Dieter Schneider

Recent advances in low-temperature scanning tunneling microscopy (STM) and spectroscopy (STS) have provided new opportunities for the investigation of the local geometric, electronic, magnetic, and optical properties of nanostructures. This review focuses ...

2012

Understanding the core density profile in TCV H-mode plasmas

Olivier Sauter, Henri Weisen, Emiliano Fable, Dávid Wágner, Andreas Pitzschke

Results from a database analysis of H-mode electron density profiles on the Tokamak à Configuration Variable (TCV) under stationary conditions show that the logarithmic electron density gradient increases with collisionality. By contrast, usual observation ...

IOP2012

Photo-induced electron transfer study of D-π-A sensitizers with different type of anchoring groups for dye-sensitized solar cells

Xiaoqing Jiang, Ulf Anders Hagfeldt, Yan Hao

A new D-π-A org. dye HY102 with a lateral anchoring group and two ref. dyes HY102-1 (using cyanoacrylic acid as an electron acceptor and the anchoring group) and HY102-2 (contg. both cyanoacrylic acid and lateral carboxylic acid) have been synthesized. The ...

2012

Gate-controlled linear magnetoresistance in thin Bi2Se3 sheets

Klaus Kern, Marko Burghard, Pascal Gehring

We explore the emergence of linear magnetoresistance in thin Bi2Se3 sheets upon tuning the carrier density using a back gate. With increasingly negative gate voltage, a pronounced magnetoresistance of similar to 100% is observed, while the associated B-fie ...

2012

The ITER Thomson scattering core LIDAR diagnostic

The central electron temperature and density of the ITER plasma may be determined by Thomson scattering. A LIDAR topology is proposed in order to minimize the port access required of the ITER vacuum vessel. By using a LIDAR technique, a profile of the elec ...

2012

Integrated long-range thermal bimorph actuators for parallelizable bio-AFM applications

Jürgen Brugger, Rosario Maurizio Gullo, Jonas Gustav Henriksson

AFM-based cell force spectroscopy is an emerging research method that already has enhanced our understanding of the structural changes that take place in a cell as it becomes cancerous. However, the method is limited as it is not time-efficient in its curr ...

Ieee2012

TCAD Simulation of SOI TFETs and Calibration of Non-local Band-to-Band Tunneling Model

Mihai Adrian Ionescu, Wladyslaw Grabinski, Arnab Biswas, Surya Shankar Dan

This paper reports a simulation based study of the non-local tunneling model using a commercially available technology computer-aided design (TCAD) device simulator. Single gate Tunnel FET devices with 400nm gate length based on SOI technology are measured ...

Elsevier2012

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