Field emitter electrostatics: a review with special emphasis on modern high-precision finite-element modelling

TA de Assis, FF Dall'Agnol… - Journal of Physics …, 2022 - iopscience.iop.org
This review of the quantitative electrostatics of field emitters, covering analytical, numerical
and'fitted formula'approaches, is thought the first of its kind in the 100 years of the subject …

Manufacturing of high-conductivity carbon nanotube fibers and extensible coils by immersed extrusion

CE Owens, GH McKinley, AJ Hart - Materials Today, 2024 - Elsevier
Inspired by methods of wet fiber spinning, we introduce a process using a 3D printer to
create dense carbon nanotube (CNT) fibers and extensible coils with metal-like DC specific …

Optimizing field-emission devices: Advancements in stability and performance with well-oriented and dense integrated carbon nanotube assemblies

J Lee, YB Kim, YS Cho, J Choi, KH Lee, TH Han… - Carbon, 2025 - Elsevier
Carbon nanotubes (CNTs) are attracting widespread interest as electron emitters due to
their superior field emission properties. However, the correlation between the microstructural …

Role of finite probe size in measuring growth exponent in film deposition

PM Amorim, EE Mozo Luis, FF Dall'Agnol… - Journal of Applied …, 2023 - pubs.aip.org
We use computer simulations to investigate the effects of the tip diameter of an electrostatic
force microscope (EFM) operating at a constant force on the extraction of the growth …

[HTML][HTML] Strongly anisotropic field emission from highly aligned carbon nanotube films

SB Fairchild, TA de Assis, JH Park, M Cahay… - Journal of Applied …, 2021 - pubs.aip.org
The field electron emission properties of carbon nanotube (CNT) films composed of densely
packed and highly aligned CNTs were investigated. The CNT films were produced by a …

Maximizing the notional area in single tip field emitters

SV Filippov, FF Dall'Agnol, EO Popov, AG Kolosko… - Ultramicroscopy, 2024 - Elsevier
One of the critical aspects in advancing high-brightness field emitter devices is determining
the conditions under which single-tip emitters should be constructed to optimize their …

[HTML][HTML] Field emitter electrostatics: Efficient improved simulation technique for highly precise calculation of field enhancement factors

FF Dall'Agnol, TA de Assis, RG Forbes - Journal of Vacuum Science & …, 2023 - pubs.aip.org
When solving the Laplace equation numerically via computer simulation, in order to
determine the field values at the surface of a shape model that represents a field emitter, it is …

Pointwise fabrication and fluidic shaping of carbon nanotube field emitters

CE Owens, J Ludwick, JY Ma… - … Conference on Solid …, 2021 - ieeexplore.ieee.org
We introduce a new method for fabricating fiber-like field emitters using pointwise deposition
of aqueous suspensions of carbon nanotubes (CNTs). Liquid ink is held between a flat base …

Maximizing the performance of a field emission device by profiling the emitter's height distribution

SV Filippov, FF Dall'Agnol, EO Popov… - Journal of Vacuum …, 2023 - pubs.aip.org
Electrostatic depolarization in clusters of emitters regularly spaced and with uniform height
causes the emission to concentrate on the outer corners, suppressing the relative emission …

Using static linear response theory to describe field emission field enhancement and a field-induced insulator-conductor transition

CP de Castro, TA de Assis, R Rivelino… - Journal of Vacuum …, 2021 - pubs.aip.org
Experiments on field electron emission (FE) of single carbon nanotubes (CNTs) indicate that
they exhibit a nearly linear Fowler–Nordheim plot, and the field enhancement factor (FEF) …