Effect of prebonding anneal on the microstructure evolution and Cu–Cu diffusion bonding quality for three-dimensional integration by Peng, L., Zhang, L., Li, H.Y., Lim, Dau Fatt, Tan, Chuan Seng

“…Electroplated copper (Cu) films are often annealed during back-end processes to stabilize grain growth in order to improve their electrical properties. …”
Get full text
Get full text

Stability analysis for heat transfer flow in micropolar hybrid nanofluids by Nur Hazirah Adilla, Norzawary, Siti Khuzaimah, Soid, Anuar, Mohd Ishak, Muhammad Khairul Anuar, Mohamed, Khan, Umair, Sherif, El Sayed M., Pop, Ioan Mihai

“…The hybrid nanofluids consist of aluminum and copper nanoparticles, dispersed in a base fluid of water. …”
Get full text

Optimizing material selection for brushed DC motor components using the VIKOR method: A comprehensive performance evaluation by Muhammad Nor Azril, Zulkafli, Mohd Azri Hizami, Rasid, Daing Mohamad Nafiz, Daing Idris

“…Results showed that the optimal material combination, consisting of a ferrite magnet, Al 356-T6 casing, chrome steel bearing, metal graphite brush, and nylon insulation, reduced winding temperature by 20 ℃ in a 5A copper losses test. This combination also preserved torque output within the core saturation limit and achieved a cost-effective, low-mass design. …”
Get full text

Investigation of heavy metal concentrations for biocoke by using ICP-OES by Erdiwansyah, E., Gani, Asri, Desvita, Hera, Mahidin, M., Bahagia, Bahagia, Rizalman, Mamat, Mohd Rosdi, Salleh

“…Calcium (Ca) was recorded as the metal with the highest concentration of 52.636,42 µg/g, followed by sodium (Na) at 863,67 µg/g and copper (Cu) at 6.12 µg/g. Variations in soaking temperature and water flow rate in the EFB preparation process affected the concentration of certain metals, such as a significant increase in Ca with increasing flow rate. …”
Get full text

Variable-Inverter-Rectifier-Transformer: A Hybrid Electronic and Magnetic Structure Enabling Adjustable High Step-Down Conversion Ratios by Moon, Intae, Ranjram, Mike Kavian, Perreault, David J

“…This functionality is valuable in converters with wide operating voltage ranges and high step-up/down, as it offers a means to reduce copper loss within the transformer while also facilitating voltage doubling and quadrupling. …”
Get full text
Get full text

Self-assembled Cu-Ni bimetal oxide 3D in-plane epitaxial structures for highly efficient oxygen evolution reaction by Li, Chaojiang, Zhang, Bowei, Li, Yong, Hao, Shiji, Cao, Xun, Yang, Guang, Wu, Junsheng, Huang, Yizhong

“…To improve the catalytic activity of copper based electrode for oxygen evolution reaction (OER), double cathodes liquid plasma discharge (DC-LPD) method was developed to fabricate three-dimensional (3D) nest-like structures electrode on the nickel foam (NF). …”
Get full text

Unusual Na+ ion intercalation/deintercalation in metal-rich Cu1.8S for Na-ion batteries by Park, Hyunjung, Kwon, Jiseok, Choi, Heechae, Shin, Donghyeok, Song, Taeseup, Lou, David Xiong Wen

“…We report a sodium storage mechanism and properties of a new anode material, digenite Cu1.8S, based on its crystallographic study. It is revealed that copper sulfides (CuxS) can have metal-rich formulas (x ≥ 1.6), due to the unique oxidation state of +1 found in group 11 elements. …”
Get full text

The new "rare metal age" : new challenges and implications of critical raw materials supply security in the 21st century by Umbach, Frank

“…The global race for the most advanced technologies dependent on CRMs has intensified the competition for access to as well as strategic control of REEs, lithium, cobalt, copper, nickel and other CRMs. This working paper analyses the global supply and demand balance of three CRMs (REEs, lithium and cobalt, the latter two being major raw materials for batteries) in the foreseeable future and whether ASEAN countries can play a role as producers and suppliers of CRMs. …”
Get full text

Synthesis of vinyl iodide chain-end polymers via organocatalyzed chain-end transformation by Chang, Jun Jie, Pan, Matthew Houwen, Goto, Atsushi

“…The obtained Polymer–CH=CR2–I further served as a useful precursor for copper-catalyzed cross-coupling reactions with various thiols (R3–SH) to yield vinyl sulfide chain-end polymers (Polymer–CH=CR2–SR3) with various R3 moieties. …”
Get full text

Measurement and error analysis of Cu film thickness with Ta barrier layer on wafer for CMP application by Qu, Zilian, Wang, Wensong, Li, Xueli, Li, Qi, Zheng, Yuanjin

“…Accurate thickness measurement of copper (Cu) film on silicon (Si)-based wafers is very important in the chemical mechanical polishing (CMP) process. …”
Get full text

Thermally assisted alkali/zinc ion hybrid battery for high roundtrip efficiency by Liu, Yezhou, Gao, Caitian, Yun, Jeonghun, Kim, Yeongae, Kim, Moobum, Li, Jia, Li, Xiaoya, Lee, Seok Woo

“…The battery contains a copper hexacyanoferrate (CuHCFe) cathode and a zinc metal anode with a discharging voltage of 1.75 V in a K/Zn ion hybrid aqueous electrolyte. …”
Get full text

Solder joint testing and failure analysis by Kang, Eng Tat.

“…In the case of SAC387 solder alloy, both the solder bonded joint specimens with and without pre-crack were found to sustain a mixture of brittle and ductile failure at the solder-copper (IMC) interface for mixed mode loading at 22.5o and 67.5o. …”
Get full text

Efficient tandem organic light-emitting device based on photovoltaic-type connector with positive cycle by Liu, Huihui, Yan, Fei, Wang, Hua, Miao, Yanqin, Du, Xiaogang, Jing, Shu, Gao, Zhixiang, Chen, Liuqing, Hao, Yuying, Xu, Bingshe

“…We designed a tandem organic light-emitting device based on an organic photovoltaic-type charge generation connector (CGC) of fullerene carbon 60/copper(II) phthalocyanine. The CGC can absorb a portion of photons radiated from emission zone and form excitons which disassociated into free charges at PN junction interface without energy barrier, leading to low driving voltage and better charge balance. …”
Get full text
Get full text

CuOx nanotubes via an unusual complexation induced block copolymer-like self-assembly of poly(acrylic acid) by Liang, Yen Nan, Hu, Jinhua, Tam, Michael Kam Chiu, Hu, Xiao

“…In this work, we report the synthesis of copper oxide (CuOx) crystals with an unexpected hollow nano-tubular morphology using only poly(acrylic acid) (PAA), i.e., a homopolymer. …”
Get full text
Get full text

Formaldehyde contamination in seafood industry: an update on detection methods and legislations by Mehta, Naresh Kumar, Vaishnav, Anand, Priyadarshini, Mocherla Bhargavi, Debbarma, Payel, Hoque, Mohammad Sazedul, Mondal, Pronoy, Bono, Gioacchino, Koirala, Pankaj, Kettawan, Aikkarach, Nirmal, Nilesh Prakash, Mahmud Ab Rashid, Nor-Khaizura

“…Seafood is abundant in high-quality protein, healthy fats (n-3 and n-6 PUFAs), minerals (calcium, magnesium, copper, selenium, and so on), and vitamin D. Functional compounds in seafood can protect against lifestyle-related diseases. …”

Significant greenish-yellow emission from Dy3+/Sm3+ co-doped strontium-aluminate-telluro-borate glasses: role of Ag and CuO nanoparticles interplay by Abdullahi, Ibrahim, Hashim, Suhairul, Ghoshal, Sib K., Sayyed, Muhammad I., Thabit, Hammam A.

“…Thus, the absorption and emission characteristics of a new type of Dy2O3/Sm2O3-doped strontium–aluminate–telluro-borate glasses (prepared using the melt-quenching approach and characterized comprehensively) were customized by inserting copper oxide nanoparticles (CuONps) and silver nanoparticles (AgNps). …”

Compact Substrate Integrated Waveguide Cubical Dielectric Resonator Antenna for fifth-generation applications by Nasir, Nida, Jamaluddin, Mohd. Haizal, Shahadan, Nor Hidayu, Abbas, Syed Muzahir, Ahmad, Hamza

“…This is accomplished through an innovative approach of establishing boundary conditions using copper wire stitching for vias, superseding the conventional soldering iron method, which guarantees minimal radiation leakage, compact dimensions, and reduced losses. …”

Modeling of electric MHD flow of nanoparticles in a CMC-water based casson hybrid nanofluid over a porous medium by Alkasasbeh, Hamzeh Taha, Hanandeh, Feras A., Aljunaeidia, Bajes Z., Al-Olaimat, Nesreen M., Alzyout, Abduallah M., Khalil, Sara A., Muhammad Khairul Anuar, Mohamed

“…The principal focus of this exploration is to study the computationally simulate the combined convection of CMC-water-based Casson hybrid nanofluid through a stretching sheet with electric magnetic force in a porous medium. Copper (Cu) and Silver (Ag) nanoparticles are included to enhance the heat transfer performance of CMC-water. …”
Get full text

Synthesis, structure, and magnetic properties of extended 2-D triangular lattices by Bartlett, Bart M

Get full text

Electrical and optical properties of hybrid transparent electrodes that use metal grids and graphene films by Ho, Xinning, Lu, Haijing, Liu, Wenjun, Tey, Ju Nie, Cheng, Chek Kweng, Kok, Eugene, Wei, Jun

“…We also find that the graphene film forms an effective barrier to retard the degradation of the copper grid when the hybrid transparent conductor is heated in air up to high temperatures for an extended period of time. …”
Get full text
Get full text