scholarly journals Huge field-effect surface charge injection and conductance modulation in metallic thin films by electrochemical gating

2013 ◽  
Vol 269 ◽  
pp. 17-22 ◽  
Author(s):  
M. Tortello ◽  
A. Sola ◽  
Kanudha Sharda ◽  
F. Paolucci ◽  
J.R. Nair ◽  
...  
Keyword(s):  
Thin Films ◽  
Surface Charge ◽  
Field Effect ◽  
Charge Injection ◽  
Metallic Thin Films ◽  
Conductance Modulation ◽  
Electrochemical Gating

scholarly journals Large Conductance Modulation of Gold Thin Films by Huge Charge Injection via Electrochemical Gating

2012 ◽  
Vol 108 (6) ◽  
Author(s):  
D. Daghero ◽  
F. Paolucci ◽  
A. Sola ◽  
M. Tortello ◽  
G. A. Ummarino ◽  
...  
Keyword(s):  
Thin Films ◽  
Charge Injection ◽  
Gold Thin Films ◽  
Conductance Modulation ◽  
Electrochemical Gating

Rocking Beam Microarea Diffraction Applied to Metallic thin Films

1976 ◽  
Vol 34 ◽  
pp. 396-397
Author(s):  
R. H. Geiss
Keyword(s):  
Thin Films ◽  
Electron Diffraction ◽  
Small Area ◽  
Objective Lens ◽  
Electron Optics ◽  
Metallic Thin Films ◽  
Transmission Electron Diffraction ◽  
Transmission Electron ◽  
Sample Height ◽  
Scanning Transmission

The theory and practical limitations of micro area scanning transmission electron diffraction (MASTED) will be presented. It has been demonstrated that MASTED patterns of metallic thin films from areas as small as 30 Åin diameter may be obtained with the standard STEM unit available for the Philips 301 TEM. The key to the successful application of MASTED to very small area diffraction is the proper use of the electron optics of the STEM unit. First the objective lens current must be adjusted such that the image of the C2 aperture is quasi-stationary under the action of the rocking beam (obtained with 40-80-160 SEM settings of the P301). Second, the sample must be elevated to coincide with the C2 aperture image and its image also be quasi-stationary. This sample height adjustment must be entirely mechanical after the objective lens current has been fixed in the first step.

scholarly journals Large Area Emission in p-Type Polymer-Based Light-Emitting Field-Effect Transistors by Incorporating Charge Injection Interlayers

Materials ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 901
Author(s):  
Gizem Acar ◽  
Muhammad Javaid Iqbal ◽  
Mujeeb Ullah Chaudhry
Keyword(s):  
Field Effect ◽  
Field Effect Transistors ◽  
Charge Injection ◽  
Limiting Factors ◽  
Hole Injection ◽  
Large Area ◽  
Device Structure ◽  
Light Emitting ◽  
Emission Area ◽  
P Type

Organic light-emitting field-effect transistors (LEFETs) provide the possibility of simplifying the display pixilation design as they integrate the drive-transistor and the light emission in a single architecture. However, in p-type LEFETs, simultaneously achieving higher external quantum efficiency (EQE) at higher brightness, larger and stable emission area, and high switching speed are the limiting factors for to realise their applications. Herein, we present a p-type polymer heterostructure-based LEFET architecture with electron and hole injection interlayers to improve the charge injection into the light-emitting layer, which leads to better recombination. This device structure provides access to hole mobility of ~2.1 cm2 V−1 s−1 and EQE of 1.6% at a luminance of 2600 cd m−2. Most importantly, we observed a large area emission under the entire drain electrode, which was spatially stable (emission area is not dependent on the gate voltage and current density). These results show an important advancement in polymer-based LEFET technology toward realizing new digital display applications.

Phase sequence in the solid state amorphization reaction of metallic thin films

1989 ◽  
Vol 174 ◽  
pp. 11-24 ◽  
Author(s):  
S. Schneider ◽  
H. Schröder ◽  
K. Samwer ◽  
B. Schuhmacher ◽  
U. Köster
Keyword(s):  
Thin Films ◽  
Solid State ◽  
Metallic Thin Films ◽  
Phase Sequence ◽  
State Amorphization

Analysis of damage formation and propagation in metallic thin films under the action of thermal stresses and electric fields

1996 ◽  
Vol 2 (3) ◽  
pp. 231-258 ◽  
Author(s):  
Dimitrios Maroudas ◽  
Matthew N. Enmark ◽  
Cora M. Leibig ◽  
Sokrates T. Pantelides
Keyword(s):  
Thin Films ◽  
Electric Fields ◽  
Thermal Stresses ◽  
Metallic Thin Films

scholarly journals Capacitive Field-effect (bio-)chemical Sensors Based on Nanocrystalline Diamond Films

2009 ◽  
Vol 1203 ◽  
Author(s):  
Matthias Bäcker ◽  
Arshak Poghossian ◽  
Maryam H. Abouzar ◽  
Sylvia Wenmackers ◽  
Stoffel D. Janssens ◽  
...  
Keyword(s):  
Thin Films ◽  
Field Effect ◽  
High Sensitivity ◽  
Ph Sensitive ◽  
Nanocrystalline Diamond ◽  
Penicillin G ◽  
Layer By Layer ◽  
Label Free ◽  
High Coverage ◽  
Layer Adsorption

AbstractCapacitive field-effect electrolyte-diamond-insulator-semiconductor (EDIS) structures with O-terminated nanocrystalline diamond (NCD) as sensitive gate material have been realized and investigated for the detection of pH, penicillin concentration, and layer-by-layer adsorption of polyelectrolytes. The surface oxidizing procedure of NCD thin films as well as the seeding and NCD growth process on a Si-SiO2 substrate have been improved to provide high pH-sensitive, non-porous thin films without damage of the underlying SiO2 layer and with a high coverage of O-terminated sites. The NCD surface topography, roughness, and coverage of the surface groups have been characterized by SEM, AFM and XPS methods. The EDIS sensors with O-terminated NCD film treated in oxidizing boiling mixture for 45 min show a pH sensitivity of about 50 mV/pH. The pH-sensitive properties of the NCD have been used to develop an EDIS-based penicillin biosensor with high sensitivity (65-70 mV/decade in the concentration range of 0.25-2.5 mM penicillin G) and low detection limit (5 μM). The results of label-free electrical detection of layer-by-layer adsorption of charged polyelectrolytes are presented, too.

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