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Showing 1 to 12 of 64 entries
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Picosecond sulfur K-edge X-ray absorption spectroscopy with applications to excited state proton transfer.

Structural dynamics (Melville, N.Y.)

Van Kuiken BE, Ross MR, Strader ML, Cordones AA, Cho H, Lee JH, Schoenlein RW, Khalil M.
PMID: 28529962
Struct Dyn. 2017 May 08;4(4):044021. doi: 10.1063/1.4983157. eCollection 2017 Jul.

Picosecond X-ray absorption (XA) spectroscopy at the S K-edge (∼2.4 keV) is demonstrated and used to monitor excited state dynamics in a small organosulfur molecule (2-Thiopyridone, 2TP) following optical excitation. Multiple studies have reported that the thione (2TP) is...

Amplification of femtosecond pulses in Ti:Al(2)O(3) using an injection-seeded laser.

Optics letters

Lagasse MJ, Schoenlein RW, Fujimoto JG, Schulz PA.
PMID: 19759678
Opt Lett. 1989 Dec 15;14(24):1347-9. doi: 10.1364/ol.14.001347.

A 440-fsec, 0.1-pJ pulse from a dye laser is injected into a high-repetition-rate Ti:Al(2)O(3) laser pumped by a copper-vapor laser to study the amplification and pulse broadening of femtosecond pulses in Ti:Al(2)O(3). Gains of 2 x 10(7) are achieved...

Phase fluctuations and the absence of topological defects in a photo-excited charge-ordered nickelate.

Nature communications

Lee WS, Chuang YD, Moore RG, Zhu Y, Patthey L, Trigo M, Lu DH, Kirchmann PS, Krupin O, Yi M, Langner M, Huse N, Robinson JS, Chen Y, Zhou SY, Coslovich G, Huber B, Reis DA, Kaindl RA, Schoenlein RW, Doering D, Denes P, Schlotter WF, Turner JJ, Johnson SL, Först M, Sasagawa T, Kung YF, Sorini AP, Kemper AF, Moritz B, Devereaux TP, Lee DH, Shen ZX, Hussain Z.
PMID: 22588300
Nat Commun. 2012 May 15;3:838. doi: 10.1038/ncomms1837.

The dynamics of an order parameter's amplitude and phase determines the collective behaviour of novel states emerging in complex materials. Time- and momentum-resolved pump-probe spectroscopy, by virtue of measuring material properties at atomic and electronic time scales out of...

Glass-like recovery of antiferromagnetic spin ordering in a photo-excited manganite Pr₀.₇Ca₀.₃MnO₃.

Scientific reports

Zhou SY, Langner MC, Zhu Y, Chuang YD, Rini M, Glover TE, Hertlein MP, Gonzalez AG, Tahir N, Tomioka Y, Tokura Y, Hussain Z, Schoenlein RW.
PMID: 24522173
Sci Rep. 2014 Feb 13;4:4050. doi: 10.1038/srep04050.

Electronic orderings of charges, orbitals and spins are observed in many strongly correlated electron materials, and revealing their dynamics is a critical step toward undertsanding the underlying physics of important emergent phenomena. Here we use time-resolved resonant soft x-ray...

Femtosecond studies of nonequilibrium electronic processes in metals.

Physical review letters

Eesley GL, Fujimoto JG, Lin WZ, Schoenlein RW.
PMID: 10034506
Phys Rev Lett. 1987 Apr 20;58(16):1680-1683. doi: 10.1103/PhysRevLett.58.1680.

No abstract available.

Investigation of femtosecond electronic dephasing in CdSe nanocrystals using quantum-beat-suppressed photon echoes.

Physical review letters

Alivisatos AP, Mittleman DM, Schoenlein RW, Shank CV, Shiang JJ.
PMID: 10054262
Phys Rev Lett. 1993 Feb 15;70(7):1014-1017. doi: 10.1103/PhysRevLett.70.1014.

No abstract available.

Non-Markovian dephasing of molecules in solution measured with three-pulse femtosecond photon echoes.

Physical review letters

Bardeen CJ, Bigot J, Migus A, Portella MT, Schoenlein RW, Shank CV.
PMID: 10044005
Phys Rev Lett. 1991 Mar 04;66(9):1138-1141. doi: 10.1103/PhysRevLett.66.1138.

No abstract available.

Resonant intervalley scattering in GaAs.

Physical review letters

Bigot J, Cunningham JE, Portella MT, Schoenlein RW, Shank CV.
PMID: 10042869
Phys Rev Lett. 1990 Dec 31;65(27):3429-3432. doi: 10.1103/PhysRevLett.65.3429.

No abstract available.

Transient metal-centered states mediate isomerization of a photochromic ruthenium-sulfoxide complex.

Nature communications

Cordones AA, Lee JH, Hong K, Cho H, Garg K, Boggio-Pasqua M, Rack JJ, Huse N, Schoenlein RW, Kim TK.
PMID: 29777157
Nat Commun. 2018 May 18;9(1):1989. doi: 10.1038/s41467-018-04351-0.

Ultrafast isomerization reactions underpin many processes in (bio)chemical systems and molecular materials. Understanding the coupled evolution of atomic and molecular structure during isomerization is paramount for control and rational design in molecular science. Here we report transient X-ray absorption...

Polaronic effect in the x-ray absorption spectra of La.

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

Huang SW, Liu YT, Lee JM, Chen JM, Lee JF, Schoenlein RW, Chuang YD, Lin JY.
PMID: 30848247
J Phys Condens Matter. 2019 May 15;31(19):195601. doi: 10.1088/1361-648X/ab05a2. Epub 2019 Mar 08.

X-ray absorption spectroscopy (XAS) is performed to study changes in the electronic structures of colossal magnetoresistance (CMR) and charged ordered (CO) La

Light-Induced Radical Formation and Isomerization of an Aromatic Thiol in Solution Followed by Time-Resolved X-ray Absorption Spectroscopy at the Sulfur K-Edge.

Journal of the American Chemical Society

Ochmann M, von Ahnen I, Cordones AA, Hussain A, Lee JH, Hong K, Adamczyk K, Vendrell O, Kim TK, Schoenlein RW, Huse N.
PMID: 28219243
J Am Chem Soc. 2017 Apr 05;139(13):4797-4804. doi: 10.1021/jacs.6b12992. Epub 2017 Mar 27.

We applied time-resolved sulfur-1s absorption spectroscopy to a model aromatic thiol system as a promising method for tracking chemical reactions in solution. Sulfur-1s absorption spectroscopy allows tracking multiple sulfur species with a time resolution of ∼70 ps at synchrotron...

Recent advances in ultrafast X-ray sources.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Schoenlein R, Elsaesser T, Holldack K, Huang Z, Kapteyn H, Murnane M, Woerner M.
PMID: 30929633
Philos Trans A Math Phys Eng Sci. 2019 May 20;377(2145):20180384. doi: 10.1098/rsta.2018.0384.

Over more than a century, X-rays have transformed our understanding of the fundamental structure of matter and have been an indispensable tool for chemistry, physics, biology, materials science and related fields. Recent advances in ultrafast X-ray sources operating in...

Showing 1 to 12 of 64 entries