Fullerene nanosheets for surface-enhanced Raman spectroscopy by Linchangqing Yang, Yahui Li, Wei Liu, Junhao Zhang, Qinghong Kong, Guangcheng Xi

“…Most surface-enhanced Raman scattering (SERS) substrates are based on noble metals or transition metal semiconductors. Developing nonmetallic SERS substrates is of great significance for expanding the application scope of SERS substrate materials. …”
Get full text

How Material Shortages are Affecting the Labour Market by Markus Hummel, Christian Hutter, Enzo Weber

“…Abstract Although industrial production in Germany picked up again significantly with the recovery from the Corona crisis, supply bottlenecks for raw materials and intermediate products such as semiconductors became increasingly noticeable over 2021. …”
Get full text

Sensitivity Enhancement of Heterocore Macrobend Fiber Optics by Adding a ZnO Film by Noor Azie Azura Mohd Arif, Dilla Duryha Berhanuddin, Abang Annuar Ehsan

“…Optical fibers with high sensitivity are in demand due to their great potential in sensor application. Semiconductors, such as ZnO, are good materials. Using them as a second cladding offers opportunities in realizing next-generation multimaterial fiber optics. …”
Get full text

Spin Polarization Oscillations and Coherence Time in the Random Interaction Approach by P. Pereyra

“…We show that the behavior of the spin polarization calculated here agrees rather well with the time evolution of spin polarization observed and calculated, recently, for the electron-nucleus dynamics of Ga centers in dilute (Ga,N)As semiconductors.…”
Get full text

Effect of Processing Parameters on Performance of Spray-Deposited Organic Thin-Film Transistors by Jack W. Owen, Natalia A. Azarova, Marsha A. Loth, Markos Paradinas, Mariona Coll, Carmen Ocal, John E. Anthony, Oana D. Jurchescu

“…In this study, we fabricate OTFTs of soluble small-molecule organic semiconductors by spray-deposition and explore the effect of processing parameters on film morphology and device mobility. …”
Get full text

Perovskite Thin Film Solar Cells Based on Inorganic Hole Conducting Materials by Pan-Pan Zhang, Zheng-Ji Zhou, Dong-Xing Kou, Si-Xin Wu

“…Inorganic p-type semiconductors are alternative HTMs due to their chemical stability, higher mobility, high transparency in the visible region, and applicable valence band (VB) energy level. …”
Get full text

Modelling of Dual-Junction Solar Cells including Tunnel Junction by Abdelaziz Amine, Yamina Mir, Mimoun Zazoui

“…Monolithically stacked multijunction solar cells based on III–V semiconductors materials are the state-of-art of approach for high efficiency photovoltaic energy conversion, in particular for space applications. …”
Get full text

Excitonic insulator candidate Ta2NiSe5 and related transition-metal compounds studied by resonant inelastic x-ray scattering by Takashi Mizokawa, Claude Monney

“…Resonant inelastic x-ray scattering (RIXS) can probe electron-hole excitations in excitonic insulators (EIs) which are realized by Coulomb attractive interaction between electrons and holes in semimetals or narrow gap semiconductors. In the present article, we review the exotic electronic state of an EI candidate Ta2NiSe5 which is probed by Ni 2p-3d RIXS as well as Ni 2p x-ray photoemission/absorption spectroscopy. …”
Get full text

Modeling and Analysis of New Multilevel Inverter for Solar Photovoltaic Power Plant by Xiaoqiang Guo, Ran He, Mehdi Narimani

“…However, the conventional multilevel inverters require more semiconductors, which complicate the circuit structure and control algorithm. …”
Get full text

Development of an electrically conductive polymer composite based on linear low-density polyethylene modified with high-structural carbon black by E. A. Rogachev, A. A. Kalenchuk

“…Samples with lower concentrations exhibit electrical resistance values corresponding to those of semiconductors. When the filler concentration reaches 20 %, the maximum material stiffness is observed, and the character of stretching transitions from ductile to brittle. …”
Get full text

Revisiting the Zinc-Blende/Wurtzite Heterocrystalline Structure in CdS by Zhaohui Zhou, Mingtao Li, Po Wu, Liejin Guo

“…It was revealed that, unlike most IV, III-V, and II-VI semiconductors, the band alignment at CdS ZB/WZ heterocrystalline interface was of type-I with straddling lineup of band edges, which was irrespective of the exchange-correlation energy functional, the thickness of ZB and WZ segments, and the ZB/WZ interface location. …”
Get full text

Femtosecond laser polishing of pure copper surfaces with perpendicular incidence by Emmanuel Loubère, Nada Kraiem, Aofei Mao, Sébastien Preaud, Andrzej Kusiak, Amélie Veillère, Jean-François Silvain, Yong Feng Lu

“…Over the past few years, femtosecond (fs) laser processing has drawn a growing interest in a wide range of applications as it offers the possibility to process the surface morphologies of metals and semiconductors. In contrast to other polishing techniques, laser polishing offers a flexible and non-contact solution, thereby avoiding potential external contamination, while enabling a precise selection of processing areas. …”
Get full text

Ion Exchange Study of Some New Copolymer Resins Derived from 8-Hydroxyquinoline-5-sulphonic Acid, Biuret and Formaldehyde by P. A. Dhakite, W. B. Gurnule

“…Hence on the basis of above studies these copolymer may be used as semiconductors, surface coating, ion-exchangers, materials for rechargeable battery cell in various electronic industries, plastic materials, elastomers and in boiler plants…”
Get full text

Modular nine-level single-phase inverter with quadruple voltage gain using reduced blocking voltage switches by V. Fernão Pires, Armando Cordeiro, Daniel Foito, Joaquim Monteiro, Hao Chen, J. Fernando Silva

“…Consequently, this leads to a significant reduction in the Total Voltage Blocking, standardization of the power semiconductors, and converter modularity structure. Furthermore, the proposed inverter topology presents voltage self-balancing capability, eliminating any balancing issues for the two floating capacitors of each voltage source inverter. …”
Get full text

Cyclodehydrogenation of molecular nanographene precursors catalyzed by atomic hydrogen by Rafal Zuzak, Pawel Dabczynski, Jesús Castro-Esteban, José Ignacio Martínez, Mads Engelund, Dolores Pérez, Diego Peña, Szymon Godlewski

“…Abstract Atomically precise synthesis of graphene nanostructures on semiconductors and insulators has been a formidable challenge. …”
Get full text

Raman Spectra of PbTe- and GeTe-Based Monocrystalline Epitaxial Layers by N. Romcevic, B. Hadzic, P. Dziawa, T. Story, W. D. Dobrowolski, M. Romcevic

“…Lead telluride and germanium telluride are well-known IV-VI semiconductors, which is now the focus of research due to the perspective of application as thermoelectrics for midrange temperatures. …”
Get full text

Thin hafnia layer on silicon – Study of interfacial charging and charge transfer by resistometry and photoelectrochemistry by Aldis Šilėnas, Laurynas Staišiūnas, Putinas Kalinauskas, Konstantinas Leinartas, Asta Grigucevičienė, Andžej Lučun, Skirmantė Tutlienė, Eimutis Juzeliūnas

“…The proposed methodologies can be extended to a wider range of passivating oxides on semiconductors.…”
Get full text

Formation on quartz substrate and study of properties of nanostructured layers from polyvinylen obtained by dehydrochlorination of polyvinyl chloride with modifying additive — iron... by O. V. Krivozubov, Yu. G. Kryazhev, I. V. Anikeeva, N. A. Davletkildeev, D. V. Sokolov, O. N. Semenova

“…The work is devoted to solving the urgent task of developing simple ways of applying nanostructured layers of polymers to different substrates with a pairing system with properties of organic semiconductors. To obtain such polymers used dehydrochlorination of polyvinyl chloride under the influence of anilin in the solution dimethylsulfoxide. …”
Get full text

Integration of Functional Materials in Photonic and Optoelectronic Technologies for Advanced Medical Diagnostics by Naveen Thanjavur, Laxmi Bugude, Young-Joon Kim

“…This review provides a comprehensive overview of recent innovations in functional materials, such as quantum dots, perovskites, plasmonic nanomaterials, and organic semiconductors, which have been instrumental in the development of diagnostic devices characterized by high sensitivity, specificity, and resolution. …”
Get full text

Intelligent Sensor for Measurement Systems with Sinusoidal Excitation Response by U. A. Mikitsevich, A. I. Svistun, A. V. Samarina, K. U. Pantsialeyeu, A. L. Zharin

“…The aim of the work was to develop the optimal architecture and algorithms for the operation of intelligent sensors intended for use in measuring systems operating according to the sinusoidal excitation – response scheme.This paper describes the approach proposed by the authors to the construction of intelligent sensors based on modern microcontrollers, the distinctive feature of which is the continuous generation of sinusoidal excitation and reading responses in the background, as well as setting the readiness flags for data processing in the main process of the microprocessor, which ensures uninterrupted execution of background processes, the main of which is the generation of a sinusoidal excitatory action.This approach has been tested in the development of charge-sensitive surface mapping systems, such as the Kelvin probe based on a vibrating capacitor, and the surface photo voltage probe for the case of semiconductors.…”
Get full text