Lattice dynamics in BiTe and SbTe: Te and Sb density of phonon states

D Bessas, I Sergueev, HC Wille, J Perßon, D Ebling… - Physical Review B, 2012 - APS
… using 121 Sb and 125 Te … of Sb with Bi revealing vibrations with essentially Te character.
A significant softening is observed for the density of vibrational states of Bi with respect to Sb, …

Antimony vibrations in skutterudites probed by nuclear inelastic scattering

HC Wille, RP Hermann, I Sergueev, O Leupold… - Physical Review B, 2007 - APS
… to the peak observed near 12 meV results from the Sb vibrational states7 and not from … Sb
is the common framework element in both the filled and unfilled skutterudites, probing the Sb

Intermediate Yb valence in the Zintl phases : XANES, magnetism, and heat capacity

A He, ELK Wille, LM Moreau, SM Thomas… - Physical Review …, 2020 - APS
Yb 14 Mn Sb 11 is a magnetic Zintl compound as well as being one of the best high
temperature p-type thermoelectric materials. According to the Zintl formalism, which defines …

Lattice dynamics and anomalous softening in the YbFeSb skutterudite

A Möchel, I Sergueev, HC Wille, J Voigt, M Prager… - Physical Review B, 2011 - APS
… precise DPS extraction, all Sb values have larger error bars. … of the Sb fLM with increasing
temperature, Sb measurements … the multiphonon contribution in the Sb measurement at 25 K. …

Anti-bribery considerations for private equity firms and investors

RM Witten, KA Parker, J Holtmeier, SB Wille - The Journal of Private Equity, 2010 - JSTOR
The last few years have seen a surge in enforcement of the Foreign Corrupt Practices Act ("FCPA").
As of late-2009, US Department of Justice ("DOJ") officials said that there were …

Periodic flow phenomena

E Berger, R Wille - Annual Review of Fluid Mechanics, 1972 - annualreviews.org
… If this new Strouhal number SB is plotted against the hase-pressure parameters it is constant
for a wide variety of bluff-body contours, including splitter plates and base bleed. I t should …

Structural studies of the scrapie prion protein by electron crystallography

H Wille, MD Michelitsch, V Guénebaut… - Proceedings of the …, 2002 - National Acad Sciences
Because the insolubility of the scrapie prion protein (PrP Sc ) has frustrated structural
studies by x-ray crystallography or NMR spectroscopy, we used electron crystallography to …

Nuclear resonant forward scattering of synchrotron radiation from 121Sb at 37.13 keV

HC Wille, YV Shvyd'ko, EE Alp, HD Rüter… - Europhysics …, 2006 - iopscience.iop.org
Sb nuclei, and on studies in Sb compounds using this technique. The 37.1 keV nuclear
resonance in 121 Sb … magnetic and electric structures in Sb compounds and their dynamics such …

Branched polyamines cure prion-infected neuroblastoma cells

S Supattapone, H Wille, L Uyechi, J Safar… - Journal of …, 2001 - Am Soc Microbiol
Branched polyamines, including polyamidoamine and polypropyleneimine (PPI) dendrimers,
are able to purge PrP Sc , the disease-causing isoform of the prion protein, from scrapie-…

Natural and synthetic prion structure from X-ray fiber diffraction

H Wille, W Bian, M McDonald… - Proceedings of the …, 2009 - National Acad Sciences
A conformational isoform of the mammalian prion protein (PrP Sc ) is the sole component of
the infectious pathogen that causes the prion diseases. We have obtained X-ray fiber …