Characterization of lead free solder joints in microelectronics assemblies by Hla Phone Maw.

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Experimental and numerical investigation of phonon mean free path distribution by Zeng, Lingping

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Long electron-hole diffusion length in high-quality lead-free double perovskite films by Ning, Weihua, Wang, Feng, Wu, Bo, Lu, Jun, Yan, Zhibo, Liu, Xianjie, Tao, Youtian, Liu, Jun-Ming, Huang, Wei, Fahlman, Mats, Hultman, Lars, Sum, Tze Chien, Gao, Feng

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Doping and switchable photovoltaic effect in lead-free perovskites enabled by metal cation transmutation by Harikesh, Padinhare Cholakkal, Wu, Bo, Ghosh, Biplab, John, Rohit Abraham, Lie, Stener, Thirumal, Krishnamoorthy, Wong, Lydia Helena, Sum, Tze Chien, Mhaisalkar, Subodh, Mathews, Nripan

“…Creating defect tolerant lead-free halide perovskites is the major challenge for development of high-performance photovoltaics with nontoxic absorbers. …”
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Lead-free PCB assembly and effect of solder joint profile on the reliability of PCB assembly by Periannan Arulvanan.

“…Lead-free Printed Circuit Board (PCB) assembly evaluation was undertaken to determine the effect of solder joint profile on the reliability of PCB assembly, by varying the foot print design on the PCB, solder paste deposition volume and solder reflow profile. …”
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Solar energy harvesting using lead-free pyroelectric bulk ceramics: a simulation study by Saurabh, Nishchay, Kiran, Raj, Patel, Satyanarayan

“…This work shows the potential of lead-free pyroelectric materials for solar energy harvesting with losses in the circuit.…”
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Understanding the methylammonium chloride-assisted crystallization for improved performance of lead-free tin perovskite solar cells by Cuzzupè, Daniele T., Öz, Senol Dilara, Ling, Jinkiong, Illing, Elias, Seewald, Tobias, Jose, Rajan, Olthof, Selina, Azhar, Fakharuddin, Schmidt-Mende, Lukas

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Crystal Engineering of a Two-Dimensional Lead-Free Perovskite with Functional Organic Cations by Second-Sphere Coordination by Cortecchia, Daniele, Soci, Cesare, Cametti, Massimo, Petrozza, Annamaria, Martí-Rujas, Javier

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Beyond perovskite solar cells: tellurium iodide as a promising light-absorbing material for solution-processed photovoltaic application by Ahmed Ali Said, Xie, Jian, Zhao, Kexiang, Liu, Wenbo, Yu, Fei, Zhang, Qichun

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A review on piezoelectric ceramics and nanostructures: fundamentals and fabrications by Ali Khorsand Zak, Ali Khorsand Zak, Yazdi, Sh. Tabatabai, Abrishami, Majid Ebrahimizadeh, Hashim, Abdul Manaf

“…These new lead-free piezoelectric materials are divided into two categories: (1) the lead-free piezoelectric material based on BNT (bismuth niobium titanate) and (2) the lead-free piezoelectric material based on KNN (potassium sodium niobite). …”

The development of lead-less perovskite materials for the photovoltaic application by Chen, Yan

“…Hence, the discovery and development of new lead-free perovskite materials for the future global commercialization of non-toxic, stable, and efficient perovskite solar cells has become the emerging frontier in photovoltaic research field. …”
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Design, fabrication and characterization of organic-inorganic hybrid solar cells by Ahmed Ali Said Ahmed

“…Developing stable and efficient lead-free solar cell is the second aim of this project. …”
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Frequency domain coherent backscattering for depth : sensitive tissue measurement. by Wong, Junn Munn.

“…A sharp peak intensity cone which is created through photon self-interference effect in CBS provides us the optical properties such as transport mean-free-path length (ℓ*) of the medium. However, utilization of CBS in biological media faced some limitations in probing multi-layered stratified biological tissue. …”
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Tin halide perovskite solar cells with open-circuit voltages approaching the Shockley–Queisser limit by Liu, W, Hu, S, Pascual, J, Nakano, K, Murdey, R, Tajima, K, Wakamiya, A

“…Our work highlights the importance of controlling the properties of the electron transport material toward the development of efficient lead-free perovskite solar cells and demonstrates the potential of solvent engineering for efficient device processing.…”

Mapping nanoscale topographic features in thick tissues with speckle diffraction tomography by Kang, Sungsam, Zhou, Renjie, Brelen, Marten, Mak, Heather K., Lin, Yuechuan, So, Peter T. C., Yaqoob, Zahid

“…Benefiting from the high-resolution and full-field quantitative imaging capabilities of SDT, we successfully imaged red blood cells and quantified their membrane fluctuations behind a turbid medium with a thickness of 2.8 scattering mean-free paths. Most importantly, we performed volumetric imaging of cornea inside an ex vivo rat eye and quantified its optical properties, including the mapping of nanoscale topographic features of Dua’s and Descemet’s membranes that had not been previously visualized.…”
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Electrical properties of textured (KNa)0.44Li0.06Nb0.84Sb0.06Ta0.1O3 thick films by Fu, Fang, Zhai, Jiwei, Xu, Zhengkui, Bai, Wangfeng, Kong, Ling Bing

“…Lead-free (KNa)0.44Li0.06Nb0.84Sb0.06Ta0.1O3 textured thick films with 25 μm thickness were fabricated by the reactive templated grain growth method. …”
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0.94(K0.5Na0.5)NbO3–0.06LiNbO3 piezoelectric ceramics prepared from the solid state reaction modified with polyvinylpyrrolidone (PVP) of different molecular weights by Tan, Chee Kiang Ivan, Yao, Kui, Goh, Phoi Chin, Ma, Jan

“…Lead-free piezoelectric 0.94(K0.5Na0.5)NbO3–0.06LiNbO3 (0.94KNN–0.06LN) ceramics were prepared by solid state reaction process modified by introducing polyvinylpyrrolidone (PVP) of different molecular weights in the starting raw materials. …”
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Design and growth of high-power gallium nitride light-emitting diodes by Zhang, Zihui

“…We have also suggested InGaN/GaN LED devices with the electron overflow reduction through incorporating n-type InGaN layer and n-type AlGaN layer into the n-GaN layer, respectively, accompanied with which a mean-free-path model has been proposed and demonstrated to explain the mechanism of the electron overflow reduction through decreasing the electron mean free path. …”
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Chemical and strain driven morphotropic phase boundaries in bismuth ferrite by Chen, Weigang

“…In the new wave of searching for lead-free replacements, BiFeO3 (BFO) rises as a promising candidate due to the existence of both chemical- and strain-driven MPBs. …”
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Graphene metamaterials for intense, tunable, and compact extreme ultraviolet and X-ray sources by Pizzi, Andrea, Rosolen, Gilles, Wong, Liang Jie, Ischebeck, Rasmus, Soljačić, Marin, Feurer, Thomas, Kaminer, Ido

“…This work demonstrates a unique free-electron light source, wherein the electron mean free path in a given material is longer than the device length, relaxing the requirements of complex electron beam systems and potentially paving the way to high-yield, compact, and tunable X-ray sources.…”
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