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Physics

Spectroscopy

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Displaying 526 - 550 of 1700

Electronic Properties and Structure of Single Crystal Perylene

June 6, 2018
Author(s)
Sujitra J. Pookpanratana, Katelyn Goetz, Emily G. Bittle, Hamna Haneef, Lin You, Christina A. Hacker, Steven W. Robey, Oana Jurchescu, Ruslan Ovsyannikov, Erika Giangrisostomi
The transport properties of electronic devices made from single crystalline molecular semiconductors outperform those composed of thin-films. To further understand the superiority of these extrinsic properties, an understanding of the intrinsic electronic

Imaging linear and circular polarization features in leaves with complete Mueller matrix polarimetry

June 1, 2018
Author(s)
C.H. L. Patty, David Luo, Frans Snik, Freek Ariese, Wybren J. Buma, Inge L. ten Kate, Rob J. van Spanning, William Sparks, Thomas Germer, Gy?z? Garab, Michael W. Kudenov
Spectropolarimetry of intact plant leaves allows to probe the molecular architecture of vegetation photosynthesis in a non-invasive and non-destructive way and, as such, can offer a wealth of physiological information. In addition to the molecular signals

Nanoscale photocurrent mapping in perovskite solar cells

June 1, 2018
Author(s)
Yohan Yoon, Dongheon Ha, Ik Jae Park, Paul M. Haney, Sangwook Lee, Nikolai Zhitenev
In this work, we study spatially-resolved generation of photocurrent of methylammonium lead iodide (CH3NH3PbI3) perovskite solar cells to reveal the microscopic effects of annealing temperature and degradation under light exposure. Correlating a novel

High temperature performance of the HITEMP2010 and HITRAN Online databases: comparison with frequency comb measurements of water vapor absorption from 6800 cm-1 to 7200 cm-1

April 3, 2018
Author(s)
Paul J. Schroeder, D Pfotenhauer, J Yang, William C. Swann, Ian R. Coddington, Nathan R. Newbury, Greg B. Rieker
The HITEMP2010 and HITRAN Online databases are important tools for predicting molecular absorption under various environmental conditions. At room temperature the databases can be quite accurate, owing to their development using room temperature absorption

High-precision measurements of n = 2 - n = 1 transition energies and level widths in He- and Be- like Argon Ions

March 26, 2018
Author(s)
Jorge Machado, Csilla Szabo-Foster, Jose Paulo Santos, Pedro Amaro, Mauro Guerra, Guojie Bian, Jean-Michel Isac, Paul Indelicato
We have performed a reference-free measurement of the transition energies of the 1s2p1P1 → 1s2 1S0 line in He-like argon, and of the 1s2s22p 1P1 → 1s22s2 1S0 line in Be-like argon ions. The highly-charged ions were produced in the plasma of an Electron
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