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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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