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The physical mechanism of the time, emitter lateral dimension (AE) and low-high temperature dependent degradation under mixed-mode stress for C-doped SiGe HBTs (SiGe:C HBTs) on thin-film silicon-on-insulator (SOI) is investigated. We focus on the impact of mixed-mode stress on device characteristics such as base current (IB) and current gain (β) degradation rate, device scaling issue and low-high...
In this paper, conductance characteristics of the two kinds of XLPE materials such as XLPE and XLPE/SiO2 nano-composite were measured under high stresses (2–70kV/mm) and under different temperatures (e.g. 20°C, 50°C and 80°C), after both XLPE were treated through different thermal treatment methods including thermal treatment and thermal poling treatment. The test results show that nanodoped XLPE...
The study of production, transfer and accumulation of space charge in silicon rubber (SIR) under direct current (DC) is significant for the research of new high voltage (HV) DC cable accessories and the accessories' stable operation. In this paper, based on SIR materials used for cable accessories and the actual low working stress, the accumulation of space charges in SIR was measured under low DC...
By using rapid thermal annealing to enhance the interfacial diffusion, we studied the effect of inter-facial intermixing on magnetization and anomalous Hall effect (AHE) in two series of Co/Pd multilayers, i.e., [Co(x Å)/Pd(5.3 Å)]6 and [Co(x Å) /Pd(6.4 Å)]6 with x=3.1, 3.9, and 4.7.
We will present high performance/low-cost spin transfer torque magnetic random access memory (STT-MRAM) solution based upon 64Mb chip data and scalable magnetic tunneling junction (MTJ) BEOL integration scheme at 55 nm process node. This is the first fully functional STT-MRAM chip fabricated in a top tier foundry using the standard 300 mm CMOS foundry process. We will characterize pMTJ device population...
In this paper, a micro Pirani gauge sensor is studied in the purpose to be exploited for multifunction. Based on the gauge's experimental results, an adequate conditioning circuit and a single configurable CMOS readout have been proposed allowing exploiting the gauge in an original way for multi measurements. Furthermore, the proposed readout is designed in such a way that it offers the possibility...
In this paper surface discharge along the oil-pressboard interface was investigated. Surface discharges were measured both in time domain by means of an oscilloscope and as phase resolve patterns. The effect of temperature from 20 °C to 90 °C on surface discharge inception, extinction and surface flashover voltage were investigated. Trend of number and maximum magnitude of PD was compared for 20 °C...
A modified electrospinning setup with parallel electrode and heater plate was presented to fabricate piezoelectric nanofibrous membrane directly. Thanks to the strong electric field strength, high stretch ratio and high environmental temperature during the electrospinning process, α-phase poly (vinylidene fluoride) (PVDF) would be transformed to β-phase well and have excellent piezoelectric performance...
Using coherent THz time-domain spectroscopy, we observe and successfully model a rich variety of interference phenomena related to long-lived magneto-plasmon excitations in InSb magneto-plasmas. New effects of tunable thermally and magnetically induced transparency are observed.
Repetitive pulsed power generation by compact sources is being studied for industrial applications. The research efforts include pulse-compression concept exploration, electrical circuit design and optimization, switching device development and evaluation, and application demonstrations. The basic strategy is to take advantage of solid-state switching devices to achieve compactness, reliability, and...
Carbon nanotube (CNT) based bioconjugates are among the candidates for molecular level electronics. In this work, we have studied transport mechanism of single walled carbon nanotube (SWNT) - peptide nucleic acid (PNA) bioconjugates. Electrical conductivity of the bioconjugates was studied at temperatures ranging from 70 K to 350 K. Negative differential resistance (NDR) behavior was observed at almost...
In this paper the authors review various microscale and nanoscale thermal characterization techniques that could be applied to active and passive devices. Solid-state micro refrigerators on a chip can provide a uniform and localized temperature profile and they are used as a test vehicle in order to compare the resolution limits of various microscale techniques. After a brief introduction to conventional...
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