Achieving small transverse beam emittance is important for high brightness cathodes for free
electron lasers and electron diffraction and imaging experiments. Double-gate field emitter …

We report the fabrication and field emission properties of high-density nano-emitter arrays
with on-chip electron extraction gate electrodes and up to 10 6 metallic nanotips that have …

The highly brilliant electron beam produced by field emitters is one of the enabling factors of
the high resolution electron microscope with atomic resolution. In addition to high beam …

Electron collimation in field emitter arrays with electron extraction gate and collimation gate
electrodes is studied with the goal to develop a high-brightness high current cathode. Using …

The generation of highly collimated electron beams from a double-gate field emitter array
with 40000 metallic tips and large collimation gate apertures is reported. Field emission …

The authors proposed a method to fabricate field emitter arrays with uniform apex diameters
in tens of nanometer scale based on the molding technique and apply it to fabricate …

A 1 Å x-ray free electron laser can be operated at 6 GeV provided a very high brightness
electron beam. Therefore, Paul Scherrer Institute has initiated development of the low …

Many applications, such as compact accelerators and electron microscopy, demand high
brightness electron beams with small source size and ultralow emittance. Diamond emitters …

The generation of collimated electron beams from metal double-gate nanotip arrays excited
by near infrared laser pulses is studied. Using electromagnetic and particle tracking …

The authors studied the photoemission from molybdenum nanotip arrays with controlled
apex curvatures by photoelectron microscopy and spectroscopy excited by 10 ps visible …