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@proceedings{1192574,
author = {Amato, Filippo and Mawale, Ravi and Alberti, Milan and Havel, Josef},
booktitle = {International conference on nanotechnology and nanosciences NN14},
keywords = {Mass spectrometry; Tellurium; nano-composite},
language = {eng},
title = {Generation of mixed AgpTeq clusters via laser ablation synthesis using novel Ag-Te nano-composite as precursor. Time-of-flight mass spectrometric study},
year = {2014}
}
TY - CONF
ID - 1192574
AU - Amato, Filippo - Mawale, Ravi - Alberti, Milan - Havel, Josef
PY - 2014
TI - Generation of mixed AgpTeq clusters via laser ablation synthesis using novel Ag-Te nano-composite as precursor. Time-of-flight mass spectrometric study
KW - Mass spectrometry
KW - Tellurium
KW - nano-composite
N2 - Silver tellurides are found as minerals like hessite (Ag2Te) and empressite (AgTe). They possess interesting physical properties including transition from semi- to ionic conductor character and large magnetoresistance in non-stoichiometric compounds. Silver tellurides exhibit high electron mobility and low thermal conductivity which are desirable for thermo-electronics, finding applications in infrared detection, imaging, magnetics, sensors, memory devices and optic materials. Laser desorption ionisation time-of-flight mass spectrometry (LDI TOF MS) is powerful technique to follow the generation of clusters from various solid materials. In this work new nano-composite consisting of nano-silver and tellurium has been prepared and characterized by XPS, SEM, AFM, etc. The use of this material for surface-enhanced Raman resonance scattering (SERRS) was evaluated. Furthermore, the nano-composite was used as a precursor for laser ablation synthesis (LAS) of novel AgpTeq clusters analysed by TOF MS. In addition, oxygenated silver-tellurium clusters with general formula AgpTeqOr were also detected. Stoichiometry of all generated clusters was determined via computer modeling. On the basis of new structural silver-tellurium motifs novel high-tech materials are proposed.
ER -
AMATO, Filippo, Ravi MAWALE, Milan ALBERTI and Josef HAVEL. Generation of mixed AgpTeq clusters via laser ablation synthesis using novel Ag-Te nano-composite as precursor. Time-of-flight mass spectrometric study. In \textit{International conference on nanotechnology and nanosciences NN14}. 2014.
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