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Building envelope is a key element in providing adequate energy and thermal comfort performance to buildings. The main techniques adopted in this context are discussed to identify modern and effective methods with a particular focus on phase change materials (PCMs).
Ujjwal Mali +3 more
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Phonons of Phase‐Change Materials
Phase‐change materials (PCMs) undergo a reversible transition from a semiconducting to a metallic state, nicely termed “incipient metal.” This transition is driven by a Peierls distortion. A model of covalent bonding is developed in a tight‐binding scheme that accounts for the drastic evolution of some properties of PCMs, among which the Grüneisen ...
Gaspard, Jean-Pierre +2 more
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Thermal energy is a very promising and widely existing energy source. However, the current heat storage method of phase change material not only has a long energy conversion time but also has low heat storage efficiency.
SUN Wei, ZHOU Guoxiang
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VO2: A Phase Change Material for Micromechanics
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 +8 more
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Granulation Of Porous Materials with Phase Change Material (PCM)
The paper describes the research on the method of production of granulated phase-change materials (PCM) used in construction industry for the accumulation of thermal energy. As mineral materials for the granules preparation zeolite from fly ash Na-P1 and
Tomasz Bien
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Phase-Change Control of Interlayer Exchange Coupling [PDF]
Changing the interlayer exchange coupling between magnetic layers in-situ is a key issue of spintronics, as it allows for the optimization of properties that are desirable for applications, including magnetic sensing and memory. In this paper, we utilize
Fan, Xiaofei +10 more
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Vanishing‐Harmonicity and Phase‐Change Materials [PDF]
Phase‐change material (PCMs) store data using the contrast (electrical or optical) between two phases: a conductive crystalline phase and a weakly conductive amorphous phase. Most PCMs have a distorted octahedral structure. The contrast comes mainly from the electronic structure.
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Active analog tuning of the phase of light in the visible regime by bismuth-based metamaterials
The active and analog tuning of the phase of light by metamaterials is needed to boost the switching performance of photonic devices. However, demonstrations of this type of tuning in the pivotal visible spectral region are still scarce.
Garcia-Pardo Marina +4 more
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Parametric analysis of influencing factors in Phase Change Material Wallboard (PCMW) [PDF]
Incorporating Phase Change Materials (PCMs) into traditional building structures has been considered as an effective way to reduce the mismatch between energy supply and demand and in turn to minimise energy consumption (cooling/heating energy).
Shire, G. S. F. +2 more
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Ductile cooling phase change material
The as-manufactured elastic and flexible hydrogels demonstrate a potential application in the ductile cooling phase-change medium.
Pratahdeep Gogoi +8 more
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