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Showing 1 to 12 of 176 entries
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Manipulating the behavior-altering effect of the motivating operation: Examination of the influence on challenging behavior during leisure activities

classroom instruction

Lancioni G, O'Reilly MF, Rispoli M.
GSID: XxQrsceRP7UJ
MF O'Reilly, J Sigafoos, G Lancioni, M Rispoli… - Research in …, 2008 - Elsevier

We examined the behavior-altering effect of the motivating operation on challenging behavior during leisure activities for three individuals with severe disabilities. Prior functional …

Nb-doped CaO: an efficient electron donor system.

Journal of physics. Condensed matter : an Institute of Physics journal

Prada S, Giordano L, Pacchioni G.
PMID: 24935643
J Phys Condens Matter. 2014 Aug 06;26(31):315004. doi: 10.1088/0953-8984/26/31/315004. Epub 2014 Jun 17.

Transition metal atoms incorporated into insulating materials (oxides in particular) can deeply modify their adsorption properties. In particular, charge transfer to adsorbed species can be induced by the presence of substitutional dopants, which introduce new electronic states in the...

Identification of defect sites on MgO(100) thin films by decoration with Pd atoms and studying CO adsorption properties.

Journal of the American Chemical Society

Abbet S, Riedo E, Brune H, Heiz U, Ferrari AM, Giordano L, Pacchioni G.
PMID: 11414852
J Am Chem Soc. 2001 Jun 27;123(25):6172-8. doi: 10.1021/ja0157651.

CO adsorption on Pd atoms deposited on MgO(100) thin films has been studied by means of thermal desorption (TDS) and Fourier transform infrared (FTIR) spectroscopies. CO desorbs from the adsorbed Pd atoms at a temperature of about 250 K,...

Nucleation of Pd dimers at defect sites of the MgO(100) surface.

Physical review letters

Giordano L, Di Valentin C, Goniakowski J, Pacchioni G.
PMID: 15089494
Phys Rev Lett. 2004 Mar 05;92(9):096105. doi: 10.1103/PhysRevLett.92.096105. Epub 2004 Mar 05.

Point defects on oxide surfaces are presumed to be preferential nucleation sites for supported metal clusters. Under typical growth conditions, dimers constitute the first step in island nucleation. First-principles calculations on the formation of Pd dimers on regular and...

Oxide ultra-thin films on metals: new materials for the design of supported metal catalysts.

Chemical Society reviews

Freund HJ, Pacchioni G.
PMID: 18818825
Chem Soc Rev. 2008 Oct;37(10):2224-42. doi: 10.1039/b718768h. Epub 2008 Aug 05.

Ultrathin oxide films on metals offer new opportunities for the design of supported nanoclusters with potential use in catalysis. This requires a characterization at the atomistic level of the structure and composition of the thin film, of its morphology...

A route toward the generation of thermally stable Au cluster anions supported on the MgO surface.

Journal of the American Chemical Society

Pacchioni G, Sicolo S, Valentin CD, Chiesa M, Giamello E.
PMID: 18597429
J Am Chem Soc. 2008 Jul 09;130(27):8690-5. doi: 10.1021/ja710969t.

On the basis of experimental evidence and DFT calculations, we propose a simple yet viable way to stabilize and chemically activate gold nanoclusters on MgO. First the MgO surface is functionalized by creation of trapped electrons, (H (+))(e (-))...

Charging of metal atoms on ultrathin MgO/Mo(100) films.

Physical review letters

Pacchioni G, Giordano L, Baistrocchi M.
PMID: 16090414
Phys Rev Lett. 2005 Jun 10;94(22):226104. doi: 10.1103/PhysRevLett.94.226104. Epub 2005 Jun 10.

The chemical activity of supported metal nanoclusters is enhanced by electronic charging induced by the interaction with surface defects. We use density functional theory plane wave calculations to show that charging of metal atoms with high electron affinity like...

Cluster and periodic DFT calculations of MgO/Pd(CO) and MgO/Pd(CO)(2) surface complexes.

The journal of physical chemistry. B

Del Vitto A, Giordano L, Pacchioni G, Heiz U.
PMID: 16851373
J Phys Chem B. 2005 Mar 03;109(8):3416-22. doi: 10.1021/jp044982w.

The bonding and vibrational properties of Pd(CO) and Pd(CO)(2) complexes formed at the (100) surface of MgO have been investigated using the gradient-corrected DFT approach and have been compared to the results of infrared and thermal desorption experiments performed...

Binding of single gold atoms on thin MgO(001) films.

Physical review letters

Yulikov M, Sterrer M, Heyde M, Rust HP, Risse T, Freund HJ, Pacchioni G, Scagnelli A.
PMID: 16712109
Phys Rev Lett. 2006 Apr 14;96(14):146804. doi: 10.1103/PhysRevLett.96.146804. Epub 2006 Apr 14.

In the present Letter the first electron paramagnetic resonance spectra of single metal atoms on a single crystalline oxide surface are presented. For Au atoms on a MgO(001) film investigated here an analysis of the angular dependent resonance positions...

Superior peroneal retinaculum tear in a high school athlete: a case report.

Journal of athletic training

Sanchioli G.
PMID: 16558599
J Athl Train. 2000 Jan;35(1):100-2.

OBJECTIVE: To present the case of an 18-year-old football player who chose conservative treatment for a superior peroneal retinaculum tear and to review alternatives.BACKGROUND: Superior peroneal retinaculum tears are often mistaken for lateral ankle instability. These tears often do...

Voltage-induced dependence of Raman-active modes in single-wall carbon nanotube thin films.

Nano letters

Fanchini G, Unalan HE, Chhowalla M.
PMID: 17394368
Nano Lett. 2007 May;7(5):1129-33. doi: 10.1021/nl062418m. Epub 2007 Mar 30.

We report on electrical Raman measurements in transparent and conducting single-wall carbon nanotube (SWNT) thin films. Application of external voltage results in downshifts of the D and G modes and in reduction of their intensity. The intensities of the...

Au and Pd atoms adsorbed on pure and Ti-doped SiO2/Mo(112) films.

The Journal of chemical physics

Giordano L, Del Vitto A, Pacchioni G.
PMID: 16438594
J Chem Phys. 2006 Jan 21;124(3):034701. doi: 10.1063/1.2151175.

The interaction of Pd and Au atoms with a silica surface and SiO2Mo(112) ultrathin films has been studied with periodic density-functional theory-generalized gradient approximation calculations. On both unsupported and supported silica, Pd and Au are weakly bound. No charge...

Showing 1 to 12 of 176 entries