Results 61 to 70 of about 23,970 (263)

Corrosion Inhibition by Isertia coccinea Plant Extract in Hydrochloric Acid Solution

International Journal of Electrochemical Science, 2011
The effect of alkaloids extracted from Isertia coccinea plant (AEIC) on the corrosion of C38 steel in 1 M hydrochloric acid was investigated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization techniques.
M. Lebrini, F. Robert, P.A. Blandinières, C. Roos   +3 more
doaj   +1 more source

Effect of sodium substitution by yttrium on the structural, dielectric and electrical properties of Ba2Na(1-3x)YxNb5O15 ceramics

Heliyon, 2023
The effects of Na+ substitution by Y3+ on the structural, microstructural, dielectric and electrical properties of Ba2Na(1-3x)YxNb5O15 compositions with (x = 0, 0.02 and 0.04) have been studied in detail.
El Hassan Yahakoub, Amine Bendahhou, Ilyas Jalafi, Fatima Chaou, Soufian EL Barkany, Zahra Bahari, Mohamed Abou-Salama   +6 more
doaj   +1 more source

Constrained Phase Noise Estimation in OFDM Using Scattered Pilots Without Decision Feedback [PDF]

, 2016
In this paper, we consider an OFDM radio link corrupted by oscillator phase noise in the receiver, namely the problem of estimating and compensating for the impairment.
Mathecken, Pramod, Riihonen, Taneli, Werner, Stefan, Wichman, Risto   +3 more
core   +2 more sources

Voltage‐Gated Dedoping of n‐Doped Poly(benzodifurandione) as an Interfacial Protective Mechanism in Electrochromic Devices

Advanced Functional Materials, EarlyView.
Electrochromic polymer stability under overpotential is improved by inserting an ultrathin, transparent n‐doped poly(benzodifurandione) interlayer between indium tin oxide and a poly(3,4‐propylenedioxythiophene)‐based electrochromic polymer. The interlayer supports rapid switching at operating bias, then becomes resistive near +0.8 V to suppress excess
Priyanka Rout, Palak Mehra, Won‐June Lee, Liyan You, Jianguo Mei   +4 more
wiley   +1 more source

A full capacitive picture of the constant phase element: Estimations from impedance spectroscopy, distribution of relaxation times and fractional calculus

Electrochemistry Communications
Impedance spectroscopy (IS) is classically used to study the dynamical properties of electrochemical systems but now is also often accompanied by chrono-based methods and the emerging analysis tool of fractional calculus to provide timescale information.
Enrique H. Balaguera
doaj   +1 more source

Asymptotic entanglement in a two-dimensional quantum walk

, 2009
The evolution operator of a discrete-time quantum walk involves a conditional shift in position space which entangles the coin and position degrees of freedom of the walker.
Abal G, Ambainis A Kempe J Rivosh A, Carneiro I, Childs A M, G Abal, Goyal S Chandrashekar C, Kempe J, Kendon V, Konno N, M Annabestani, M R Abolhasani, Mackay T T D, Maloyer O, Moore C Russell A Rolim J D P Vadhan S, Nayak A Vishwanath A, Nielsen M, Venegas-Andraca S, Venegas-Andraca S Bose S   +17 more
core   +1 more source

Electrode polarization at the Au, O2(g)/Fe implanted yttria-stabilized zirconia interface [PDF]

, 1992
Ion implantation has been applied to modify the surface properties of yttria-stabilized zirconia (YSZ). A three-electrode cell was used for measuring steady state current-overpotential curves and for determining the electrode impedance.
Boukamp, B.A., Burggraaf, A.J., Hassel, B.A. van   +2 more
core   +2 more sources

Boron‐Doped Nano‐Crystalline Coated Carbon Fibers for Phasic Dopamine Sensing

Advanced Healthcare Materials, EarlyView.
This uniform coating presents a mix of graphitic and diamond‐like carbon to create a mechanically and electrically robust alternative for the electrochemical detection of dopamine. The electrodes in this work possess the equivalent sensitivity to the state‐of‐the‐art FSCV dopamine detecting electrodes, whilst demonstrating an ability to withstand ...
Simon J. Higham, Juan M. Rojas Cabrera, Youngjong Kwak, Lydia Hong, Andre Chambers, Athavan Nadarajah, Sorel E. De Leon, Young Jun Jung, Negin Jalilinejad, Charles Blaha, Dong Pyo Jang, Yoonbae Oh, Kendall Lee, Alastair Stacey, Shaun L. Cloherty, Michael R. Ibbotson, David J. Garrett, Steven Prawer, Hojin Shin, Wei Tong   +19 more
wiley   +1 more source

Fractional calculus model of electrical impedance applied to human skin. [PDF]

PLoS ONE, 2013
Fractional calculus is a mathematical approach dealing with derivatives and integrals of arbitrary and complex orders. Therefore, it adds a new dimension to understand and describe basic nature and behavior of complex systems in an improved way.
Zoran B Vosika, Goran M Lazovic, Gradimir N Misevic, Jovana B Simic-Krstic   +3 more
doaj   +1 more source

Transient Charging of Mixed Ionic‐Electronic Conductors by Anomalous Diffusion

Advanced Materials, EarlyView.
This article explores charge transport in mixed ionic‐electronic conductors (MIECs) through electrochemical impedance spectroscopy and transient current analysis. Focusing on PEDOT:PSS, WO3, and n‐doped PBDF, it uncovers the impact of anomalous diffusion via fractional modeling. The study reveals key correlations that deepen understanding and guide the
Heyi Zhang, Gonzalo Rivera‐Sierra, Shirin Siahjani‐Gultekin, Jenifer Rubio‐Magnieto, Anis Allagui, Ignacio Sanjuán, David Franco, Antonio Guerrero, Enrique H. Balaguera, Juan Bisquert   +9 more
wiley   +1 more source