Measurement and Statistical Analysis of Single-Molecule Current–Voltage Characteristics, Transition Voltage Spectroscopy, and Tunneling Barrier Height

2011 ◽  
Vol 133 (47) ◽  
pp. 19189-19197 ◽  
Author(s):  
Shaoyin Guo ◽  
Joshua Hihath ◽  
Ismael Díez-Pérez ◽  
Nongjian Tao
2012 ◽  
Vol 134 (50) ◽  
pp. 20218-20221 ◽  
Author(s):  
Juan M. Artés ◽  
Montserrat López-Martínez ◽  
Arnaud Giraudet ◽  
Ismael Díez-Pérez ◽  
Fausto Sanz ◽  
...  

2014 ◽  
Vol 16 (36) ◽  
pp. 19602-19607 ◽  
Author(s):  
Carlos Alberto Brito da Silva Júnior ◽  
José Fernando Pereira Leal ◽  
Vicente Ferrer Pureza Aleixo ◽  
Felipe A. Pinheiro ◽  
Jordan Del Nero

We investigate electronic transport in semiconductor–molecule–metal junctions consisting of a biphenyl molecule attached to a p-doped semiconductor and metallic carbon nanotubes.


2003 ◽  
Vol 93 (10) ◽  
pp. 6305-6310 ◽  
Author(s):  
D. Niebieskikwiat ◽  
R. D. Sánchez ◽  
D. G. Lamas ◽  
A. Caneiro ◽  
L. E. Hueso ◽  
...  

2018 ◽  
Vol 25 (04) ◽  
pp. 1850082 ◽  
Author(s):  
NEZIR YILDIRIM ◽  
ABDULMECIT TURUT ◽  
HULYA DOGAN

The Schottky barrier type Ni/[Formula: see text]-GaAs contacts fabricated by us were thermally annealed at 600[Formula: see text]C and 700[Formula: see text]C for 1[Formula: see text]min. The apparent barrier height [Formula: see text] and ideality factor of the diodes were calculated from the forward bias current–voltage characteristic in 60–320[Formula: see text]K range. The [Formula: see text] values for the nonannealed and 600[Formula: see text]C and 700[Formula: see text]C annealed diodes were obtained as 0.80, 0.81 and 0.67[Formula: see text]eV at 300[Formula: see text]K, respectively. Thus, it has been concluded that the reduced barrier due to the thermal annealing at 700[Formula: see text]C promises some device applications. The current preferentially flows through the lowest barrier height (BH) with the temperature due to the BH inhomogeneities. Therefore, it was seen that the [Formula: see text] versus [Formula: see text] plots for the nonannealed and annealed diodes showed the linear behavior according to Gaussian distributions.


2006 ◽  
Vol 961 ◽  
Author(s):  
Hideo Kaiju ◽  
Kenji Kondo ◽  
Akira Ishibashi

ABSTRACTWe calculated transport properties of edge-to-edge quantum cross structure that consists of two metal nano-ribbons having edge-to-edge configuration with a tunnel barrier and showed current-voltage characteristics depending on the metal-ribbon thickness (5-30 nm), the barrier height (0.5-1.5 eV) and the barrier thickness (0.5-1.0 nm). Interesting behavior of transport properties is that the metal-ribbon thickness affects the current density due to the quantization of nano-ribbon and also the current density, being dependent on the barrier height and the barrier thickness, decreases with high and thick barrier. These calculated results indicate that we can precisely obtain the information on the material sandwiched between two electrodes, such as the barrier height and the barrier thickness, by a fit of experimental data to our derived equation, and these approaches result in a distinction between the sandwiched material and the electrode.


Author(s):  
Е.О. Попов ◽  
А.Г. Колосько ◽  
С.В. Филиппов

A method for testing the compliance of experimental current-voltage characteristics with a cold field emission mode is described. The method is based on the variation of voltage power-law exponent in the semilogarithmic coordinates ln (I/U^k) vs1/U, as well as the statistical analysis of experimental data fluctuations. It is shown that the current-voltage characteristics obtained using the high-voltage fast-scanning technique have a better fit to the field emission law than the characteristics given by a slow scanning with a constant voltage. A multi-tip nanocomposite emitter based on carbon nanotubes was taken as a sample. For processing experimental data, it was proposed to use modified Fowler-Nordheim coordinates with a voltage power-law exponent of 1.24.


Sign in / Sign up

Export Citation Format

Share Document