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2022 IEEE International Conference on Emerging Electronics (ICEE)最新文献

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Analysis and Modeling of Leakage Currents in Stacked Gate-All-Around Nanosheet Transistors 层叠栅纳米片晶体管漏电流分析与建模
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10117608
S. Manikandan, Nitanshu Chauhan, N. Bagga, Abhishek Kumar, Shashank Banchhor, Sourajeet Roy, A. Bulusu, A. Dasgupta, S. Dasgupta
For efficient use of the upcoming Stacked Gate-all-around Nanosheet Field Effect Transistors (GAAFET), identifying and mitigating leakage current components are essential. This paper comprehensively investigates the leakage components not only in the nanosheets but also through the substrate, including effects such as Gate-Induced Drain Lowering (GIDL) and parasitic substrate leakage. We thoroughly investigate the impact of device geometry on the device leakage current and propose device design guidelines for mitigation of the substrate leakage current for these devices. In addition, we have modeled the GIDL current of GAAFETs using BSIM-CMG code.
为了有效地利用即将到来的堆叠栅极全能纳米片场效应晶体管(GAAFET),识别和减轻泄漏电流元件是必不可少的。本文全面研究了纳米片和衬底的泄漏成分,包括栅极诱发漏极降低(GIDL)和寄生衬底泄漏等效应。我们深入研究了器件几何形状对器件漏电流的影响,并提出了器件设计指南,以减轻这些器件的基板漏电流。此外,我们还利用BSIM-CMG代码对GAAFETs的GIDL电流进行了建模。
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引用次数: 0
Thin Body Doping-free Bipolar Transistors: A Performance Projection at Circuits Level 薄体无掺杂双极晶体管:电路级的性能投影
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10118301
A. Sahu, Abhishek Kumar, Anurag Dwivedi, S. P. Tiwari
The performance of thin body doping-free bipolar transistors on SOI are demonstrated for logic gates circuit using differential pass transistor logic. Charge carriers are induced inside the lightly doped SOI layer by using charge plasma (CP) and polarity control (PC) approaches. The study analyzes the transient, power, and noise margins of logic gates i.e., AND, OR and XOR gates designed using four device configurations i.e., CP based npn, CP based pnp, PC based npn, and PC based pnp. The results of these analyses are compared to prior studies of doping-free device-based circuits. The transient analysis indicates rise and fall time less than 50 ps and average switching power less than 5 µ W. The worstcase noise margin observed for 1 V input level is 0.28 V. Additionally, a 2:1 multiplexer is also designed and examined for response time and output voltage levels. For high logic, worst case output was 0.88 V, while for low logic, it was 0.05 V. The multiplexer took less than 1.8 ns to produce the output.
采用差分通型晶体管逻辑,证明了薄体无掺杂双极晶体管在SOI上的性能。采用电荷等离子体(CP)和极性控制(PC)两种方法在轻掺杂SOI层内诱导载流子。该研究分析了使用四种器件配置(基于CP的npn、基于CP的pnp、基于PC的npn和基于PC的pnp)设计的逻辑门(即与、或和异或门)的瞬态、功率和噪声余量。这些分析结果与先前无掺杂器件电路的研究结果进行了比较。暂态分析表明,上升和下降时间小于50ps,平均开关功率小于5µw,在1 V输入电平时观察到的最坏情况噪声裕度为0.28 V。此外,还设计了2:1多路复用器,并检查了响应时间和输出电压水平。对于高逻辑,最坏情况输出为0.88 V,而对于低逻辑,它是0.05 V。多路复用器的输出时间小于1.8 ns。
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引用次数: 0
Towards Advanced Rechargeable Metal (Zn, Li)-air (O2) Battery Systems Using Electrode and Electrolyte Engineering 基于电极和电解质工程的先进可充电金属(Zn, Li)-空气(O2)电池系统
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10118265
P. Thakur, T. N. Narayanan
Utilizing a diverse mix of batteries in electric vehicles (EVs) is estimated to boost the transition to clean and fossil-free cost-effective transportation. This discussion is mainly on the advancement of a ‘next-generation’ energy storage system called- Metal-Air Batteries (MABs) by overcoming various performance-limiting issues related to their electrodes and electrolytes, where MABs are identified as one of the important elements of next-generation traction. This study highlights the significance of engineering the electrodes and electrolytes for improving the cyclability of MABs with low overpotential for charging. Different strategies set out here open a plethora of new routes in designing high-performance MAB systems by simple tweaking of electrodes/electrolytes.
据估计,在电动汽车(ev)中使用多种电池组合将促进向清洁和无化石燃料的经济高效运输的过渡。本文主要讨论了“下一代”储能系统——金属-空气电池(mab)的进步,克服了与电极和电解质相关的各种性能限制问题,mab被认为是下一代牵引的重要元素之一。该研究强调了工程电极和电解质对提高低过电位单克隆抗体充电可循环性的重要性。本文提出的不同策略为通过简单调整电极/电解质来设计高性能MAB系统开辟了大量新途径。
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引用次数: 0
Performance enhancement by introducing different chlorinated salts in the SnO2 electron transfer layer of perovskite solar cells 在钙钛矿太阳能电池SnO2电子传递层中引入不同氯化盐提高电池性能
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10117977
Apoorva Singh, Bidisha Nath, A. Panchal, Praveen C Ramamurthy
Tin oxide (SnO2) is one of the important and commonly used electron transfer layers (ETLs) in the planar structure of perovskite solar cells (PSCs). Doping the SnO2 layer with chlorinated salts such as potassium chloride (KCl) has been reported to improve the power conversion efficiency (PCE), intriguing further exploration of other chlorinated salts. Herein, the results from various chlorinated salts in addition to KCl are evaluated. It was observed, that though the PSCs with KCl doped SnO2 layer yield the best PCE (~17%), the ETL layer doped with other chlorinated salts such as sodium chloride (NaCl) and Iron chloride (FeCl3) also showed improvement in performance from the pristine SnO2 (~15 %). Moreover, the results from the SnO2-NaCl-based devices are found to be comparable to the SnO2-KCl. Performance enhancement is attributed to the passivation of defects in the interface and reduction in the non-radiative recombination losses. The established trend is supported by the current-voltage (J-V) and photoluminescence (PL) studies.
氧化锡(SnO2)是钙钛矿太阳能电池(PSCs)平面结构中重要且常用的电子转移层之一。在SnO2层中掺杂氯化钾(KCl)等氯化盐可以提高功率转换效率(PCE),这是对其他氯化盐的进一步探索。本文对除氯化钾外的各种氯化盐的结果进行了评价。结果表明,掺杂氯化钠(NaCl)和氯化铁(FeCl3)等其他氯化盐的ETL层的PCE比未掺杂的SnO2的PCE提高了约15%,而掺杂氯化钠(NaCl)和氯化铁(FeCl3)等氯化盐的ETL层的PCE达到了最高。此外,发现基于sno2 - nacl的器件的结果与SnO2-KCl相当。性能的提高是由于界面缺陷的钝化和非辐射复合损耗的减少。电流-电压(J-V)和光致发光(PL)的研究支持了这一既定趋势。
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引用次数: 0
Numerical Simulation and Parameter Extraction of Pure Thermionic Emission Across Schottky Contacts 肖特基触点纯热离子发射的数值模拟与参数提取
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10117821
A. V. N. Devi, P. N. S. Bhargav, S. Khandelwal, V. Gurugubelli, S. Karmalkar
We examine two widely prevalent parameter extraction methodologies for Schottky contacts, namely, Regional and Cheung-Cheung's methods. We establish that the Cheung-Cheung's method is highly effective for barrier heights greater than 0.4 V, but fails for low barrier heights. Further, we examine the thermionic emission (TE) models employed by ATLAS and SENTAURUS simulators. We show that the default TE model in ATLAS, called THERM, is not the right choice but the surface recombination velocity-based models are to be used. The Cheung-Cheung's method, when applied to the simulated data for Schottky contacts on Si and GaN, extracts much different barrier height and ideality factor when the input barrier height is small and series resistance is large.
我们研究了两种广泛流行的肖特基接触参数提取方法,即区域方法和张翔方法。我们确定了张翔的方法对大于0.4 V的势垒高度非常有效,但对低势垒高度无效。此外,我们研究了ATLAS和SENTAURUS模拟器使用的热离子发射(TE)模型。我们表明,ATLAS中默认的TE模型,称为THERM,不是正确的选择,而是使用基于表面重组速度的模型。将该方法应用于Si和GaN上肖特基触点的模拟数据时,当输入势垒高度较小时,串联电阻较大时,提取出的势垒高度和理想因数差异较大。
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引用次数: 0
Inkjet-printed mesoporous indium oxide-based near-vertical transport thin film transistors and pseudo-CMOS inverters 喷墨印刷介孔氧化铟基近垂直输运薄膜晶体管及伪cmos逆变器
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10118140
Nehru Devabharathi, J. R. Pradhan, S. Dasgupta
Oxide semiconductors are increasingly becoming the material of choice in the emerging printed and flexible electronics domain. While they have attracted tremendous research attention in the area of solution processed/printed electronics, the vacuum deposited amorphous oxide semiconductor TFTs have also achieved serious commercial success in the transparent and curved display industries. Nonetheless, it may be noted that although the n-type oxides demonstrate excellent electronic transport, the performance of the hole conducting p-type oxides are still unsatisfactory and thus it affects the fabrication of all oxide complementary metal oxide semiconductor (CMOS) circuits. In order to resolve the issue, unipolar depletion-load type pseudo-CMOS inverters have recently been proposed. In this regard, here, we demonstrate a co-continuous mesoporous indium oxide based thin film transistor (TFT) technology with edge-FET architecture and near vertical transport. At the next step, high performance, unipolar depletion-load type inverters have been fabricated using these edge-FET TFTs. The fabricated TFTs have shown average ON-current of 1.95 mA alongside excellent On/Off ratio (>107). On the other hand, the depletion-load type inverters have demonstrated sharp voltage transfer characteristics (VTC) with a maximum signal gain of 58 at VDD= 2 V, supply voltage.
氧化物半导体正日益成为新兴印刷和柔性电子领域的首选材料。真空沉积非晶氧化物半导体tft在溶液处理/印刷电子领域引起了极大的研究关注,同时在透明和曲面显示行业也取得了重大的商业成功。尽管如此,可以注意到,尽管n型氧化物表现出优异的电子输运,但空穴导电p型氧化物的性能仍然令人不满意,因此它影响了所有氧化物互补金属氧化物半导体(CMOS)电路的制造。为了解决这个问题,最近提出了单极耗尽负载型伪cmos逆变器。在这方面,我们展示了一种共连续中孔氧化铟薄膜晶体管(TFT)技术,具有边缘场效应晶体管结构和近垂直传输。在下一步,高性能,单极耗尽负载型逆变器已被制造使用这些边场效应晶体管tft。所制备的tft具有1.95 mA的平均通流和优异的通/关比(>107)。另一方面,耗尽负载型逆变器在VDD= 2 V电源电压下表现出尖锐的电压转移特性(VTC),最大信号增益为58。
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引用次数: 0
Analysis and Modeling of Flicker Noise in Ferroelectric FinFETs 铁电finfet闪烁噪声分析与建模
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10118175
Abhishek Kumar, G. Pahwa, A. Behera, A. Bulusu, S. Mehrotra, A. Dasgupta
This paper presents an in-depth analysis of the flicker noise (1/f noise) in Field Effect Transistors (FETs) with ferroelectric gate stack. The analysis is valid for all ferroelectric FETs (FeFETs). We have also proposed an enhancement to industry standard flicker noise models to take ferroelectric thickness into account.
本文对具有铁电栅极叠加的场效应晶体管中的闪烁噪声(1/f噪声)进行了深入的分析。该分析适用于所有铁电场效应管(fefet)。我们还提出了对工业标准闪烁噪声模型的改进,以考虑铁电厚度。
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引用次数: 0
InP /ZnS core shell quantum dots as temperature sensor InP /ZnS核壳量子点作为温度传感器
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10117762
Barnali Mahato, Prajit Kumar Das, A. Bhardwaj
We report the synthesis of high-quality, non-toxic, highly emitting InP/ZnS core-shell QDs. The QDs exhibit photoluminescence that is temperature dependent. A planar configuration of QDs has been used to fabricate a temperature sensor.
我们报道了高质量、无毒、高发射的InP/ZnS核壳量子点的合成。量子点表现出与温度相关的光致发光。量子点的平面结构已被用于制造温度传感器。
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引用次数: 0
Measurement of MEMS Actuator Deflection by C-V Method C-V法测量MEMS致动器偏转
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10118163
S. Verma, Bhaskar Mitra
This study explores the correlation between indirect and direct deflection measurement techniques for MEMS actuators. The measured airgap capacitance is used to calculate deflection using parallel plate model and FEM extracted model for indirect technique. Direct device deflection is measured using an optical profilometer. A 110 µm long and 2.5 µm thick Si-folded cantilever beam with 460 nm airgap electrostatic actuation is used for the measurement. The characterization shows that the device pre-pull-in deflection is up to 98 nm for 4V range with both the methods. The calculated data demonstrate that, in contrast to the parallel plate, which has a 12.7% mean square error, the FEM calibrated model agrees with profilometer to within 8.6% for pre-pull-in deflection.
本研究探讨了MEMS致动器的间接和直接偏转测量技术之间的关系。采用平行板模型和间接法有限元提取模型,利用实测气隙电容计算挠度。直接器件偏转是用光学轮廓仪测量的。测量采用长110 μ m、厚2.5 μ m的硅折叠悬臂梁,气隙为460 nm,静电驱动。表征表明,在4V范围内,两种方法的器件预拉入偏转均高达98 nm。计算数据表明,与平行板的均方误差12.7%相比,有限元校正模型与轮廓仪的预拉入挠度在8.6%以内。
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引用次数: 0
Edge-epitaxial Growth of Mos2- Ws2lateral heterostructure and their optoelectronic properties Mos2- ws2横向异质结构的边外延生长及其光电性能
Pub Date : 2022-12-11 DOI: 10.1109/ICEE56203.2022.10117691
B. Nayak, S. Chakraborty, Rajdeep Banerjee, Purbasha Ray, Baisali Kundu, S. Bisoyi, R. Basori, Gopal K. Pradhan, D. Goswami, P. Sahoo
We reported the direct growth of electronic grade 2D Mos2- Ws2lateral heterostructures (LHS) by controlling critical physicochemical parameters using a water-assisted chemical vapor deposition technique. Raman and photoluminescence spectroscopy and transport measurements were used to standardize their optical and electronic characteristics. In addition, the role of metal contacts in the transport characteristics in the field-effect transistor geometry of the LHS was evaluated.
本文报道了利用水辅助化学气相沉积技术,通过控制关键理化参数,直接生长电子级二维Mos2- ws2横向异质结构(LHS)。利用拉曼光谱和光致发光光谱以及输运测量来规范其光学和电子特性。此外,还评估了金属触点在LHS场效应晶体管几何结构中输运特性中的作用。
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引用次数: 0
期刊
2022 IEEE International Conference on Emerging Electronics (ICEE)
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