Quantum Capacitance of Nanoplates in Magnetic Field

Lukiyanets, B. A.; Matulka, D. V.

doi:10.1142/s0219581x16500095

Cited by 2 publications

(2 citation statements)

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“…At the same time, and more interestingly, it changes the frequency genesis at the low-frequency region ReZ(ω) to the opposite -monotonically increasing. This low-frequency behavior of ReZ(ω) may be related to the quantum capacitance (C q ) caused by the discretization of the energy spectrum and the finite tunneling times [33].…”

Section: Resultsmentioning

confidence: 99%

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Bulletin of the Polish Academy of Sciences: Technical Sciences

Ivashchyshyn,

Maksymych,

Calus

et al. 2022

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GaSe CS(NH 2 ) 2 C 14 H 10 clathrate with a hierarchical subhost host guest type architecture was formed under illumination and its electrically conductive properties were studied. The method of impedance spectroscopy studied the frequency behavior of real and imaginary parts of complex total impedance in the range of 10 −3 -10 6 Hz. Measurements were performed under normal conditions, in a permanent magnetic field (220 kA/m), or under light illumination (for a standard solar spectrum of AM 1.5 G total available power is 982 W/m 2 ). Structure of the impurity energy spectrum at the Fermi level was investigated by the method of thermostimulated discharge in the temperature range from 240 to 340 K. Using Jebol-Pollack theoretical approaches based on impedance spectra, parameters of the impurity energy spectrum were calculated, such as the density of states at the Fermi level, the jump radius, the scatter of trap levels near the Fermi level and the real density of deep traps. As evidenced by studies, illumination during clathrate synthesis forms an internal electret polarization, which leads to abnormal behavior of the photoresistive effect and to the appearance of the memristive effect. The imposition of a permanent magnetic field during measurement of complex resistance leads to the appearance of quantum capacitance.

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Section: Resultsmentioning

confidence: 99%

“…The magnetic field which is normally applied to the plate leads to additional quantization of band states and of its plane [33]. It is interesting to note an important practical aspect of quantum capacitance (C q ) generation by the permanent magnetic field.…”

Section: Resultsmentioning

confidence: 99%