The beta-phase Zn4Sb3 has attracted much attention because of its high thermoelectric performance in the intermediate temperature range thanks to disorder in the Zn lattice site. In this work are presented structural, thermal, electric and thermoelectric characterization of Zn4Sb3 pure and Ag, Al doped, prepared by a simple synthesis....
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2014 (v1)PublicationUploaded on: March 27, 2023
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2014 (v1)Publication
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2013 (v1)Publication
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2012 (v1)Publication
Il Progetto Lauree Scientifiche nasce con l'intento di incrementare il numero degli iscritti a corsi di laurea in Chimica, Fisica, Matematica e Scienza dei Materiali. Nel progetto di scienza dei materiali sviluppato presso il Dipartimento di Chimica e Chimica Industriale dell'Ateneo genovese sono state proposte attività didattiche teoriche e...
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2012 (v1)Publication
The acquisition of knowledge proceeds through a forced passage: the experimental observation. This work deals with physical-chemical concepts related to the flame through the development of practical and thepretical activities concerning the light-matter interaction and the heat exchanges. The target is constituted by a second class of a...
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2017 (v1)Publication
Samples belonging to the series Smy(FexNi1-x)4Sb12 were heated in Ar atmosphere up to 400°C and cooled down to room temperature several times, with the aim to evaluate the effect of thermal cycles on microhardness. The treatment temperature was chosen in correspondence of the maximum ZT value, in order to simulate the operating conditions of...
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2009 (v1)Publication
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2011 (v1)Publication
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2009 (v1)Publication
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2013 (v1)Publication
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2010 (v1)Publication
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2012 (v1)Publication
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2014 (v1)Publication
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2012 (v1)Publication
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2011 (v1)Publication
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2014 (v1)Publication
The Zn4Sb3 phase is considered one of the most interesting compounds for thermoelectric applications in the intermediate temperature range (400–600 K) because of its very low thermal conductivity. Typical processing routes of this material for technological applications require several steps, in order to obtain a homogeneous single phase with...
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2010 (v1)Publication
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2011 (v1)Publication
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2017 (v1)Publication
A structural study was performed by high temperature x-ray diffraction on samples of the filled skutterudite Smβ(FeαNi1-α)4Sb12 between 303 K and 773 K, i.e. in the range including the highest values of the dimensionless figure of merit ZT for this system. Samples were prepared by direct reaction of the pure elements at 1223 K, followed by an...
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2011 (v1)Publication
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2014 (v1)Publication
The high thermoelectric performance of the b-phase Zn4Sb3 has drawn much attention for its application in the intermediate temperature range. In this work we explore the corrosion behaviour properties of pure Zn4Sb3 compound and after partial substitution of Zn with Al and Ag. In particular, Zn4Sb3, (Zn1xAlx)4Sb3 and (Zn1xAgx)4Sb3 (x = 0.01)...
Uploaded on: December 5, 2022