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Full investigation of deep defect states and impurities in wide-bandgap materials by employing commercial transient capacitance spectroscopy is a challenge, demanding very high temperatures. Therefore, a high-temperature deep-level…

材料科学 · 物理学 2019-08-27 S. Majdi , M. Gabrysch , N. Suntornwipat , F. Burmeister , R. Jonsson , K. K. Kovi , A. Hallen

A deep level transient spectroscopy (DLTS) study of defects created by low-fluence, low-energy ion implantation for development of ion-implanted silicon field-effect transistors for spin-dependent transport experiments is presented.…

材料科学 · 物理学 2010-03-01 B. C. Johnson , J. C. McCallum , L. H. Willems van Beveren , E. Gauja

Deep level transient spectroscopy (DLTS) is used extensively to study defects in semiconductors. We demonstrate that great care should be exercised in interpreting activation energies extracted from DLTS as ionization energies. We show how…

Due to the large surface-to-volume ratio, surface trap states play a dominant role in the optoelectronic properties of nanoscale devices(1-6). Understanding the surface trap states allows us to properly engineer the device surfaces for…

介观与纳米尺度物理 · 物理学 2015-05-07 Yaping Dan

We investigated the origin of the high reverse leakage current in light emitting diodes (LEDs) based on (In,Ga)N/GaN nanowire (NW) ensembles grown by molecular beam epitaxy on Si substrates. To this end, capacitance deep level transient…

介观与纳米尺度物理 · 物理学 2016-02-17 M. Musolino , D. van Treeck , A. Tahraoui , L. Scarparo , C. De Santi , M. Meneghini , E. Zanoni , L. Geelhaar , H. Riechert

Temperature-dependent I-V and C-V spectroscopy of single InAs nanowire field-effect transistors were utilized to directly shed light on the intrinsic electron transport properties as a function of nanowire radius. From C-V…

材料科学 · 物理学 2015-05-13 Alexandra Ford , Johnny Ho , Yu-Lun Chueh , Yu-Chih Tseng , Zhiyong Fan , Jing Guo , Jeffrey Bokor , Ali Javey

Semiconductor nanowire field-effect transistors represent a promising platform for the development of room-temperature (RT) terahertz (THz) frequency light detectors due to the strong nonlinearity of their transfer characteristics and their…

In quantum dot (QD) electron transport experiments additional features can appear in the differential conductance $dI/dV$ that do not originate from discrete states in the QD, but rather from a modulation of the density-of-states (DOS) in…

We have developed a superconducting phase gradiometer consisting of two parallel DNA-templated nanowires connecting two thin-film leads. We have ramped the cross current flowing perpendicular to the nanowires, and observed oscillations in…

超导电性 · 物理学 2009-11-13 David S. Hopkins , David Pekker , Tzu-Chieh Wei , Paul M. Goldbart , Alexey Bezryadin

Atomically thin semiconductors have versatile future applications in the information and communication technologies for the ultimate miniaturization of electronic components. In particular, the ongoing research demands not only a…

Studying thermal transport at the nanoscale poses formidable experimental challenges due both to the physics of the measurement process and to the issues of accuracy and reproducibility. The laser-induced transient thermal grating (TTG)…

A method is presented which allows to obtain the position-dependent electric field and charge density by fits to velocity profiles from edge-TCT data from silicon strip-detectors. The validity and the limitations of the method are…

仪器与探测器 · 物理学 2020-01-08 R. Klanner , G. Kramberger , I. Mandic , M. Mikuz , M. Milovanovic , J. Schwandt

Direct observation of capture cross-section is challenging due to the need of extremely short filling pulses in the two-gate Deep-Level Transient Spectroscopy (DLTS). Simple estimation of cross-section can be done from DLTS and Admittance…

This paper presents and evaluates a novel method for generating power losses on transistors avoiding high currents. These could heat up the circuit tracks, affecting the accurate thermal modeling of the system. The proposed procedure is…

系统与控制 · 电气工程与系统科学 2023-09-05 Jose Miguel Sanz-Alcaine , Francisco Jose Perez-Cebolla , Carlos Bernal-Ruiz , Asier Arruti , Iosu Aizpuru , Juan Sanchez

As the conventional silicon metal-oxide-semiconductor field-effect transistor (MOSFET) approaches its scaling limits; many novel device structures are being extensively explored. Among them, the silicon nanowire transistor (SNWT) has…

新兴技术 · 计算机科学 2014-07-10 Mayank Chakraverty

Ion-Sensitive Field-Effect Transistors (ISFETs) form a wide-spread technology for sensing, thanks to their label-free detection and intrinsic CMOS compatibility. Their current sensitivity, {\Delta}ID/ID, for a given {\Delta}pH, however, is…

仪器与探测器 · 物理学 2019-06-27 Francesco Bellando , Ali Saeidi , Adrian M. Ionescu

Nonlinear and hysteretic electrical devices are needed for applications from circuit protection to next-generation computing. Widely-studied devices for resistive switching are based on mass transport, such as the drift of ions in an…

应用物理 · 物理学 2021-01-13 Han Yin , Abinash Kumar , James M. LeBeau , R. Jaramillo

High-performance, low-power transistors are core components of advanced integrated circuits, and the ultimate limitation of Moore's law has made the search for new alternative pathways an urgent priority. Two-dimensional (2D) materials have…

材料科学 · 物理学 2026-03-03 Run-Jie Peng , Xing-Yu Wang , Jun-Hui Yuan , Nian-Nian Yu , Kan-Hao Xue , Jiafu Wang , Pan Zhang

The spectral density of localized states in the band gap of pentacene (trap DOS) was determined with a pentacene-based thin-film transistor from measurements of the temperature dependence and gate-voltage dependence of the contact-corrected…

材料科学 · 物理学 2010-02-08 Wolfgang L. Kalb , Bertram Batlogg

Metallic nanoparticles offer possibilities to build basic electric devices with new functionality and improved performance. Due to the small volume and the resulting low self-capacitance, each single nanoparticle exhibits a high charging…

介观与纳米尺度物理 · 物理学 2016-12-16 Hauke Lehmann , Svenja Willing , Sandra Möller , Mirjam Volkmann , Christian Klinke
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