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Yixing Chen

Cette personne n’est plus à l’EPFL

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Publications associées (97)

From Hydrophobic to Hydrophilic: The Structure and Density of the Hexadecane Droplet/Alkanol/Water Interface

Yixing Chen, Sylvie Roke, Kailash Chandra Jena

The molecular structure of the hexadecane droplet/alkanol/water interface has been investigated using vibrational sum frequency scattering and second harmonic scattering. This combination of methods allows us to investigate the interfacial alkyl chain conf ...

American Chemical Society2015

The Physics of the B Factories

François Bianchi, Albert Perez, Guillaume Wagner, Christian Jacoby, Jean Wicht, Aurelio Bay, Marc Kunze, Patricia Besson, Remi Léandre Albert Louvot, Jérôme Krebs, Nicolas Zwahlen, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Gerhard Raven, Mingkui Wang, Stewart Cole, Yan Yan, Nicolas Berger, Frédéric Blanc, Fang Liu, Liang Sun, Chao Wang, Yixing Chen, Yuan Yuan, Songmei Wu, Greig Alan Cowan, Doohyun Kim, Varun Sharma, Sourav Sen, Vladislav Balagura, Zhirui Xu, Sanjeev Kumar, Martin George Friedl, Yu Zheng, Bingqing Cheng, Maurizio Martinelli, Dipanwita Dutta, Junqiu Liu, Jian Wang, Ho Ling Li, Jun Yong Kim, Lei Zhang, , , , , , , , , , , , , , ,

Charge Asymmetry at Aqueous Hydrophobic Interfaces and Hydration Shells

Yixing Chen, Sylvie Roke, Kailash Chandra Jena, Rüdiger Scheu

The solvation of ions in a dielectric continuum is symmetric with respect to the sign of the ionic charge. Yet, many phenomena show indirect evidence that water may have a preference for negative charge: the vast majority of biological membrane interfaces ...

Wiley-Blackwell2014

Sum frequency and second harmonic generation from the surface of a liquid microjet

Yixing Chen, Sylvie Roke, Kailash Chandra Jena, Nikolay Smolentsev

The use of a liquid microjet as a possible source of interest for Second Harmonic Generation (SHG) and Sum Frequency Generation (SFG) spectroscopy is examined. We measured non-resonant SHG scattering patterns from the air/water interface of a microjet of p ...

Amer Inst Physics2014

Specific Ion Effects in Amphiphile Hydration and Interface Stabilization

Yixing Chen, Sylvie Roke, Rüdiger Scheu

Specific ion effects can influence many processes in aqueous solutions: protein folding, enzyme activity, self-assembly, and interface stabilization. Ionic amphiphiles are known to stabilize the oil/water interface, presumably by dipping their hydrophobic ...

Amer Chemical Soc2014

Analysis of Complex Spectra Using Fourier Filtering

Yixing Chen, Sylvie Roke, Rüdiger Scheu

We present a method to analyze complex spectral data, such as that obtained from vibrational sumfrequency generation (SFG), using Fourier filtering. The proposed filter locates the center frequency of all resonances in a complex data set. The analysis is u ...

Amer Chemical Soc2013

Stern Layer Formation Induced by Hydrophobic Interactions: A Molecular Level Study

Yixing Chen, Sylvie Roke, Rüdiger Scheu

The molecular ionic surface structure and charge of the electric double layer around a nanodroplet and its structural change induced by hydrophobic effects are measured using vibrational coherent surface scattering spectroscopy, second harmonic scattering, ...

Amer Chemical Soc2013

Nanoimprinted circular grating distributed feedback dye laser

Demetri Psaltis, Yixing Chen

The authors demonstrate an optically pumped surface emitting polymer dye laser fabricated by nanoimprint lithography. The laser is based on an organic dye hosted within a poly(methylmethacrylate) matrix coated on a transparent substrate, and the laser cavi ...

2007

Effects of Maxwell-Wagner polarization on soil complex dielectric permittivity under variable temperature and electrical conductivity

Dani Or, Yixing Chen

The presence of free charges and numerous discontinuities separating liquid, gas, and solid phases in partially saturated soils give rise to Maxwell-Wagner polarization that may significantly affect bulk dielectric permittivity measurements. Evidence sugge ...

2006

Geometrical factors and interfacial processes affecting complex dielectric permittivity of partially saturated porous media

Dani Or, Yixing Chen

Methods for remote and ground-based sensing of soil water content often rely on determination of bulk dielectric permittivity which may be affected by factors other than water content, such as interfacial polarization (Maxwell-Wagner effect), phase configu ...

American Geophysical Union2006

Measurement of the asymmetry in the decay Ω̄+→Λ̄K+→p̄π+K+

Yixing Chen, Yu Fu

The asymmetry in the p̄ angular distribution in the sequential decay Ω̄+→Λ̄K+→p̄π+K+ has been measured to be ᾱΩᾱΛ=[+1.16±0.18(stat)±0. 17(syst)]×10-2 using 1.89×106 unpolarized Ω̄+ decays recorded by the HyperCP (E871) experiment at Fermilab. Using the kno ...

2006

Factors Affecting Interfacial Polarization and Dielectric Behavior of Wet Soils

Dani Or, Yixing Chen

The presence of free charges and numerous discontinuities separating liquid, gas, and solid phases in partially-saturated soils give rise to a relatively understudied phenomenon of interfacial polarization that could impact bulk dielectric permittivity mea ...

2005

Evidence for the decay ∑+ → pμ+ μ-

Yixing Chen, Yu Fu

We report the first evidence for the decay ∑+ → pμ+ μ- from data taken by the HyperCP (E871) experiment at Fermilab. Based on three observed events, the branching ratio is B(∑+ → pμ+ μ-) = [8.6 -5.4 +6.6(stat) ± 5.5(syst)] × 10 -8. The narrow range of dimu ...

2005

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Springer2014

Yixing Chen

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From Hydrophobic to Hydrophilic: The Structure and Density of the Hexadecane Droplet/Alkanol/Water Interface

The Physics of the B Factories

Charge Asymmetry at Aqueous Hydrophobic Interfaces and Hydration Shells

Sum frequency and second harmonic generation from the surface of a liquid microjet

Specific Ion Effects in Amphiphile Hydration and Interface Stabilization

Analysis of Complex Spectra Using Fourier Filtering

Stern Layer Formation Induced by Hydrophobic Interactions: A Molecular Level Study

Nanoimprinted circular grating distributed feedback dye laser

Effects of Maxwell-Wagner polarization on soil complex dielectric permittivity under variable temperature and electrical conductivity

Geometrical factors and interfacial processes affecting complex dielectric permittivity of partially saturated porous media

Measurement of the asymmetry in the decay Ω̄+→Λ̄K+→p̄π+K+

Factors Affecting Interfacial Polarization and Dielectric Behavior of Wet Soils

Evidence for the decay ∑+ → pμ+ μ-

HyperCP: A high-rate spectrometer for the study of charged hyperon and kaon decays

Observation of parity violation in the decay

Search for the Lepton-Number-Violating Decay Ξ-→pμ-μ-

Measurement of the α asymmetry parameter for the Ω-→ΛK- Decay