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Raman spectroscopy's capability to provide meaningful composition predictions is heavily reliant on a pre-processing step to remove insignificant spectral variation. This is crucial in biofluid analysis. Widespread adoption of diagnostics…

Signal Processing · Electrical Eng. & Systems 2019-04-05 Emily E Storey , Amr S. Helmy

We propose and theoretically analyze a new vibrational spectroscopy, termed electron- and light-induced stimulated Raman (ELISR) scattering, that combines the high spatial resolution of electron microscopy with the molecular sensitivity of…

Optics · Physics 2020-08-12 Amr A. E. Saleh , Daniel K. Angell , Jennifer A. Dionne

Raman spectroscopy is an important tool in the study of vibrational properties and composition of molecules, peptides and even proteins. Raman spectra can be simulated based on the change of the electronic polarizability with vibrations,…

Computational Physics · Physics 2024-04-30 Ethan Berger , Juha Niemelä , Outi Lampela , André H. Juffer , Hannu-Pekka Komsa

We explain quantitatively why resonant Raman scattering spectroscopy, an extensively used experimental tool in studying elementary electronic excitations in doped low dimensional semiconductor nanostructures, always produces an observable…

Strongly Correlated Electrons · Physics 2009-10-31 S. Das Sarma , Daw-Wei Wang

Transmission Electron Microscopy (TEM) is a powerful tool for imaging material structure and characterizing material chemistry. Recent advances in data collection technology for TEM have enabled high-volume and high-resolution data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Josh Kacher , Yao Xie , Sven P. Voigt , Shixiang Zhu , Henry Yuchi , Jordan Key , Surya R. Kalidindi

Raman scattering is a chemically selective probing mechanism with diverse applications in industry and clinical settings. Yet, most samples are optically opaque limiting the applicability of Raman probing at depth. Here, we demonstrate…

Raman spectroscopy is a powerful analytical tool with applications ranging from quality control to cutting edge biomedical research. One particular area which has seen tremendous advances in the past decade is the development of powerful…

Signal Processing · Electrical Eng. & Systems 2020-06-19 M. Hamed Mozaffari , Li-Lin Tay

Spectroscopic studies of electronic phenomena in graphene are reviewed. A variety of methods and techniques are surveyed, from quasiparticle spectroscopies (tunneling, photoemission) to methods probing density and current response (infrared…

Mesoscale and Nanoscale Physics · Physics 2014-07-28 D. N. Basov , M. M. Fogler , A. Lanzara , Feng Wang , Yuanbo Zhang

The integration of scanning tunneling microscopy (STM) and electron spin resonance (ESR) spectroscopy has emerged as a powerful and innovative tool for discerning spin excitations and spin-spin interactions within atoms and molecules…

Mesoscale and Nanoscale Physics · Physics 2024-11-04 Lyuzhou Ye , Xiao Zheng , Xin Xu

Strain engineering in semiconductor transistor devices has become vital in the semiconductor industry due to the ever increasing need for performance enhancement at the nanoscale. Raman spectroscopy is a non-invasive measurement technique…

Optics · Physics 2021-06-17 V. Prabhakara , T. Nuytten , H. Bender , W. Vandervorst , S. Bals , J. Verbeeck

We demonstrate the utility of Raman spectroscopy as a technique for the identification of ancient glasses and enamel coatings of ceramics. As for any silicate glasses, the addition of network modifiers breaks the Si-O linkages and modifies…

Materials Science · Physics 2007-05-23 Philippe Colomban

Resonant dielectric nanoparticles (RDNs) made of materials with large positive dielectric permittivity, such as Si, GaP, GaAs, have become a powerful platform for modern light science, enabling various fascinating applications in…

Optics · Physics 2017-10-30 Alex Krasnok , Martin Caldarola , Nicolas Bonod , Andrea Alú

We present an in-depth analysis of the experimental estimation of cross sections in Surface Enhanced Raman Scattering (SERS) by vibrational pumping. The paper highlights the advantages and disadvantages of the technique, pinpoints the main…

Chemical Physics · Physics 2007-05-23 R. C. Maher , L. F. Cohen , E. C. Le Ru , P. G. Etchegoin

Raman spectroscopy of crystalline/molecular systems is well backed with quantum chemical calculations and group theory, making it a unique characterization tool. For the "intermediate" case of nanoscale systems, however, the use of Raman…

Chemical Physics · Physics 2017-04-07 Vitaly I. Korepanov , Hiro-o Hamaguchi

We describe Raman spectroscopy based method of measuring thermal conductivity of thin films, and review significant results achieved with this technique pertinent to graphene and other two-dimensional materials. The optothermal Raman method…

Mesoscale and Nanoscale Physics · Physics 2019-03-18 Hoda Malekpour , Alexander A. Balandin

Hydrogenated amorphous carbon thin films (a:C-H) are very promising materials for numerous applications. The growing of relevance of a:C-H is mainly due to the long-term stability of their outstanding properties. For improving their…

Materials Science · Physics 2025-01-22 L. Lajaunie , C. Pardanaud , C. Martin , P. Puech , C. Hu , M. J. Biggs , R. Arenal

We present theoretical results concerning inelastic light (Raman) scattering from semiconductor quantum dots. The characteristics of each dot state (whether it is a collective or single-particle excitation, its multipolarity, and its spin)…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alain Delgado , Augusto Gonzalez , David J. Lockwood

We report the development of a detection optics for the integration of Raman scattering and scanning probe microscopy at low temperature based on a parabolic mirror. In our set-up half of the paraboloid mirror covers a solid angle of $\pi$…

Instrumentation and Detectors · Physics 2018-05-09 N. Chelwani , D. Hoch , D. Jost , B. Botka , J. -R. Scholz , R. Richter , M. Theodoridou , F. Kretzschmar , T. Böhm , K. Kamarás , R. Hackl

Single-molecule detection with chemical specificity is a powerful and much desired tool for biology, chemistry, physics, and sensing technologies. Surface-enhanced spectroscopies enable single molecule studies, yet reliable substrates of…

Mesoscale and Nanoscale Physics · Physics 2008-02-22 D. R. Ward , N. K. Grady , C. S. Levin , N. J. Halas , Y. Wu , P. Nordlander , D. Natelson

Photonics caught world attention since channel capacity limit of metallic interconnects approached due to research and design in high speed digital processors. Use of dielectrics, instead, suitable for light propagation was more attractive…

Optics · Physics 2024-12-04 Abdurrahman Javid Shaikh , Othman Sidek