Zobrazeno 1 - 10
of 140
pro vyhledávání: '"Tapio Fabritius"'
Autor:
Somayyeh Asgari, Tapio Fabritius
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract A multi-band anisotropic metamaterial absorber operating in the terahertz (THz) range is constructed using a graphene-based split square ring resonator array featuring two gaps and a connecting bar. The design is meticulously simulated throu
Externí odkaz:
https://doaj.org/article/40c75ae63ce840b88433630091ba9615
Autor:
Palanivel Molaiyan, Juho Valikangas, Rafal Sliz, D. D. Ramteke, Tao Hu, Andrea Paolella, Tapio Fabritius, Ulla Lassi
Publikováno v:
ChemElectroChem, Vol 11, Iss 9, Pp n/a-n/a (2024)
Abstract LiFePO4 (LFP) is widely used as cathode material for its low cost, high safety, and good thermal properties. It is one of the most exploited cathode materials for commercial Li‐ion batteries (LIBs). Herein, we present a screen‐printing m
Externí odkaz:
https://doaj.org/article/fe581ab0e4024c239ddeb8b79917cde0
Autor:
Somayyeh Asgari, Tapio Fabritius
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract In this paper, a graphene-based multi-functional anisotropic metamaterial composed of two finite parallel graphene ribbons in each unit cell is designed and proposed in the 0.1–5.5 terahertz (THz) region. Simulations are performed by the f
Externí odkaz:
https://doaj.org/article/9fd8bb40b63149dd86acc3ed1ca9b31d
Autor:
Somayyeh Asgari, Tapio Fabritius
Publikováno v:
IEEE Access, Vol 11, Pp 36052-36063 (2023)
Multi-band terahertz (THz) absorber based on a non-symmetric double-sided graphene comb resonator array is designed and simulated by the finite element method (FEM) in CST Software. Then, an equivalent circuit model (ECM) based on admittance with a f
Externí odkaz:
https://doaj.org/article/3b55b04c514a480bbf06dd58ac16e548
Autor:
Somayyeh Asgari, Tapio Fabritius
Publikováno v:
IEEE Access, Vol 10, Pp 63658-63671 (2022)
The equivalent circuit model (ECM) is developed by using a MATLAB code to analyze graphene-based multi-band chiral metamaterial absorbers composing graphene-based square split-ring resonator arrays in the terahertz (THz) range. The absorbers are simu
Externí odkaz:
https://doaj.org/article/ed1f96f767ef47468dd1c41b4b681fcb
Autor:
Somayyeh Asgari, Tapio Fabritius
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract An equivalent circuit model (ECM) using a MATLAB code to analyze a tunable two-layered graphene-based chiral dual-function metamirror, is proposed in this work. The investigated metastructure is composed of complementary U-shaped graphene re
Externí odkaz:
https://doaj.org/article/20aaf6fbecef4cfb889bb35241f698af
Autor:
Hellen S. Santos, Rafal Sliz, Hoang Nguyen, Sumit Srivastava, Durgaprasad Ramteke, Tapio Fabritius, Ulla Lassi, Paivo Kinnunen
Publikováno v:
Materials & Design, Vol 217, Iss , Pp 110599- (2022)
Solid-state electrolytes (SSEs) are considered as the most promising materials for enabling the safer, more efficient, and feasible solution to address the market demands for lithium-ion batteries. The current work investigates the production of inor
Externí odkaz:
https://doaj.org/article/50694b46b4064769abbb15cd1969129a
Autor:
Rafal Sliz, Olli-Heikki Huttunen, Elina Jansson, Juhani Kemppainen, Jyrki Schroderus, Marika Kurkinen, Tapio Fabritius
Publikováno v:
npj Flexible Electronics, Vol 4, Iss 1, Pp 1-9 (2020)
Abstract Conformable electrodes are essential for the development of flexible electronics or functional clothing, regardless of their application. Their reliable ability to transfer electric signals or serve as sensing elements in various conditions
Externí odkaz:
https://doaj.org/article/5d53328cfe844146bf5780e857e0ab84
Autor:
Christian Schuss, Tapio Fabritius
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1232 (2022)
This paper investigates the impact of environmental conditions on the possible output power of photovoltaic (PV) installations on top of hybrid electric vehicles (HEVs) and battery-powered electric vehicles (BEVs). First, we discuss the characteristi
Externí odkaz:
https://doaj.org/article/79d8c1c2e7a74646931472a3e20fcb08
Autor:
Yan Lu, Xinying Shi, Zhongjia Huang, Taohai Li, Meng Zhang, Jakub Czajkowski, Tapio Fabritius, Marko Huttula, Wei Cao
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract In this work, we present laser coloration on 304 stainless steel using nanosecond laser. Surface modifications are tuned by adjusting laser parameters of scanning speed, repetition rate, and pulse width. A comprehensive study of the physical
Externí odkaz:
https://doaj.org/article/c8ce8043003544af84ab31e147b8683b