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Phase Change Material Photonics [PDF]

, 2020
In the last decade phase change materials (PCM) research has switched from practical application in optical data storage toward electrical phase change random access memory technologies (PCRAM). As these devices are commercialised, we expect the research direction to switch once again toward electrical-photonic devices.
Cao, Tun, Simpson, Robert E.
arxiv   +6 more sources

Phase-Change-Material-Based True Time-Delay System [PDF]

Sensors
This study explores the achievement of a tunable true time-delay (TTD) system for a microwave phased-array antenna (MPAA) by incorporating the reversible phase-transition property of phase-change material (PCM) with Bragg gratings (BGs) and a cascade of ...
Rahuldas Kutteeri, Martino De Carlo, Francesco De Leonardis, Richard A. Soref, Vittorio M. N. Passaro   +4 more
doaj   +2 more sources

Ultrafast changes in lattice symmetry probed by coherent phonons [PDF]

Nature Communications 3, 721 (2012), 2010
The electronic and structural properties of a material are strongly determined by its symmetry. Changing the symmetry via a photoinduced phase transition offers new ways to manipulate material properties on ultrafast timescales. However, in order to identify when and how fast these phase transitions occur, methods that can probe the symmetry change in ...
A Cavalleri, A Cavalleri, C Kübler, CW Siders, D Fausti, D Fausti, D Wegkamp, DJ Hilton, DM Fritz, E Möhr-Vorobeva, ES Zijlstra, G Sciaini, H Ichikawa, HJ Zeiger, HW Verleur, I Radu, J Nag, K Ishioka, K Ishioka, M Hada, M Hara, M Hase, M Hase, MF Becker, P Baum, P Beaud, P Schilbe, R Yusupov, S Hunsche, SI Kudryashov, SK Sundaram, SL Johnson, TE Stevens, TK Cheng, WR Roach   +34 more
arxiv   +3 more sources

Thermal Stability of Phase Change Material [PDF]

, 2018
Along with the heat transfer mechanism for the development of a latent heat storage unit (LHSU), the choice of the phase change material (PCM) plays an important role. The enviable thermo-physical, kinetic, and chemical properties of PCM with the economy
Rathod, Manish K.
core   +5 more sources

VO2: A Phase Change Material for Micromechanics [PDF]

Proceedings, 2017
Micro- and nano-mechanical systems may take advantage from using materials having multiple functional characteristics. VO2 is a compound characterised by a solid state phase transition (SSPT) just above room temperature, consisting in a concurrent metal ...
Nicola Manca, Luca Pellegrino, Teruo Kanki, Warner J. Venstra, Giordano Mattoni, Yoshiyuki Higuchi, Hidekazu Tanaka, Andrea D. Caviglia, Daniele Marré   +8 more
doaj   +3 more sources

Paraffin as Phase Change Material [PDF]

, 2019
Nowadays, numerous problems, including the environmental problem caused by fossil fuels, have led to greater attention to the optimal use of energy and the development of renewable energy.
Vakhshouri, Amir Reza
core   +3 more sources

Reversible switching in phase-change materials

Materials Today, 2008
Phase-change materials are successfully employed in optical data storage and are becoming a promising candidate for future electronic storage applications. Despite the increasing technological interest, many fundamental properties of these materials remain poorly understood. However, in the last few years the understanding of the material properties of
Wojciech Wełnic, Matthias Wuttig
openalex   +6 more sources

Tunable hyperbolic polaritons with plasmonic phase-change material In3SbTe2 [PDF]

Nanophotonics
Hyperbolic polaritons that originate from the extreme optical anisotropy in van der Waals (vdW) crystals have gained much attention for their potential in controlling nanolight.
Lu Dunzhu, Zeng Ying, Yan Qizhi, Chen Qiyu, Ma Weiliang, Luo Xiao, Xu Ming, Yang Xiaosheng, Li Peining   +8 more
doaj   +2 more sources

Thermal Characterization of Eicosane/Graphite Nano-Composite-Based Phase Change Material [PDF]

Journal of Renewable Energy and Environment, 2023
Phase Change Materials (PCMs) have received much consideration as thermal energy storage systems due to their high storage capacity. However, their heat transfer rate is limited because of the low thermal conductivity.
Ala Moradi, Hajar Es-haghi, Seyed Hassan Hashemabadi, Majid Haghgoo, Zahra Emami   +4 more
doaj   +1 more source

Preparation of Stearic acid/Diatomite Composite Phase Change Material [PDF]

E3S Web of Conferences, 2021
The composite phase change material was prepared via the impregnation method using diatomaceous as the carrier and stearic acid as the phase change material.
Zong Jianping, Wang Defu, Jin Yanlin, Gao Xing, Wang Xinxin   +4 more
doaj   +1 more source