Numerical characterization of optical properties of tapered plasmonic structure on a cantilever pyramidal tip for plasmon nanofocusing

Ravi Yadav, Takayuki Umakoshi, Prabhat Verma

AIP Advances　Vol. 12　No. 8　p. 085216-085216　2022/08/01　Research paper (scientific journal)

Ultrastable tip-enhanced hyperspectral optical nanoimaging for defect analysis of large-sized WS ₂ layers

Ryo Kato, Toki Moriyama, Takayuki Umakoshi, Taka-aki Yano, Prabhat Verma

Science Advances　Vol. 8　No. 28　2022/07/15　Research paper (scientific journal)

Nanoscale optical switching of photochromic material by ultraviolet and visible plasmon nanofocusing

Takayuki Umakoshi, Hiroshi Arata, Prabhat Verma

arXiv　2022/07　Research paper (scientific journal)

Tip-enhanced Raman spectroscopy with amplitude-controlled tapping-mode AFM

Takayuki Umakoshi, Koji Kawashima, Toki Moriyama, Ryo Kato, Prabhat Verma

Scientific Reports　Vol. 12　No. 1　2022/07　Research paper (scientific journal)

Plasmon nanofocusing for the suppression of photodegradation in fluorescence imaging using near-field scanning optical microscopy

Ravi Yadav, Hiroshi Arata, Takayuki Umakoshi, Prabhat Verma

Optics Communications　Vol. 497　p. 127206-127206　2021/10　Research paper (scientific journal)

Raman Spectroscopic Nanoimaging of Optical Fields of Metal Nanostructures with a Chemically Modified Metallic Tip

Ryo Kato, Takayuki Umakoshi, Prabhat Verma

The Journal of Physical Chemistry C　2021/09/09　Research paper (scientific journal)

Chapter 13: United Nations Sustainable Development Goals: A Future Free from Persistent Organic Pollutants and Other Toxic Chemicals for All

Anupam Khajuria, Prabhat Verma

Taylor & Francis Book: Persistent Organic Pollutants in the Environment　p. 339-356　2021/08/30　Part of collection (book)

Polarization Raman Imaging of Organic Monolayer Islands for Crystal Orientation Analysis.

Toki Moriyama, Takayuki Umakoshi, Yoshiaki Hattori, Koki Taguchi, Prabhat Verma, Masatoshi Kitamura

ACS omega　Vol. 6　No. 14　p. 9520-9527　2021/04/13　Research paper (scientific journal)

Broadband Plasmon Nanofocusing: Comprehensive Study of Broadband Nanoscale Light Source

Koki Taguchi, Takayuki Umakoshi, Shota Inoue, Prabhat Verma

The Journal of Physical Chemistry C　Vol. 125　No. 11　p. 6378-6386　2021/03/25　Research paper (scientific journal)

Label-free Raman mapping of saturated and unsaturated fatty acid uptake, storage, and return toward baseline levels in macrophages

Takeshi Sugiyama, Alison J. Hobro, Nicolas Pavillon, Takayuki Umakoshi, Prabhat Verma, Nicholas Smith

Analyst　Vol. 146　No. 4　p. 1268-1280　2021/02/21　Research paper (scientific journal)

Probing stacking configurations in a few layered MoS2 by low frequency Raman spectroscopy

Rhea Thankam Sam, Takayuki Umakoshi, Prabhat Verma

Scientific Reports　Vol. 10　No. 1　2020/12　Research paper (scientific journal)

One-side metal-coated pyramidal cantilever tips for highly reproducible tip-enhanced Raman spectroscopy

Ryo Kato, Koki Taguchi, Ravi Yadav, Takayuki Umakoshi, Prabhat Verma

Nanotechnology　Vol. 31　No. 33　p. 335207-335207　2020/08/14　Research paper (scientific journal)

Defect-related anomalous low-frequency Raman scattering in a few-layered MoS2

Rhea Thankam Sam, Takayuki Umakoshi, Prabhat Verma

Applied Physics Express　Vol. 13　No. 7　p. 072003-072003　2020/07/01　Research paper (scientific journal)

White nanolight source for optical nanoimaging

Takayuki Umakoshi, Misaki Tanaka, Yuika Saito, Prabhat Verma

Science Advances　Vol. 6　No. 23　p. eaba4179-eaba4179　2020/06　Research paper (scientific journal)

Tip-enhanced Raman Spectroscopy of Multi-Walled Carbon Nanotubes through D-band Imaging: Implications for Nanoscale Analysis of Interwall Interactions

Ryo Kato, Shun Igarashi, Takayuki Umakoshi, Prabhat Verma

ACS Applied Nano Materials　No. in press　2020/05　Research paper (scientific journal)

Anharmonic effects in single-walled carbon nanotubes analyzed through low-temperature Raman imaging

Takayuki Umakoshi, Masaki Taniguchi, Prabhat Verma

The Journal of Physical Chemistry C　No. in press　2020　Research paper (scientific journal)

Probing inter-molecular interactions of dinaphthothienothiophene (DNTT) molecules in a transistor device using low-frequency Raman spectroscopy

Bishwajeet Singh Bhardwaj, Rhea Thankam Sam, Takayuki Umakoshi, Naoko Namba, Takafumi Uemura, Tsuyoshi Sekitani, Prabhat Verma

Applied Physics Express　No. 13　2020/01

Orientation analysis of pentacene molecules in organic field-effect transistor devices using polarization-dependent Raman spectroscopy

Bishwajeet Singh Bhardwaj, Takeshi Sugiyama, Naoko Namba, Takayuki Umakoshi, Takafumi Uemura, Tsuyoshi Sekitani, Prabhat Verma

Scientific Reports　No. 9　2019/10

Raman spectroscopy of macrophage uptake and cellular response during exposure to dietary lipids

Takeshi Sugiyama, Alison J. Hobro, Takayuki Umakoshi, Prabhat Verma, Nicholas I. Smith

Optics InfoBase Conference Papers　Vol. Part F146-JSAP 2019　2019　Research paper (international conference proceedings)

Design of silver-based controlled nanostructures for plasmonic catalysis under visible light irradiation

Verma P, Kuwahara Y, Mori K, Yamashita H

Bulletin of the Chemical Society of Japan　p. 19-29　2019

Tapered arrangement of metallic nanorod chains for magnified plasmonic nanoimaging

Yoshiro Ohashi, Bikas Ranjan, Yuika Saito, Takayuki Umakoshi, Prabhat Verma

Scientific Reports　Vol. 9　2019

Probing nanoscale defects and wrinkles in MoS2 by tip-enhanced Raman spectroscopic imaging

Ryo Kato, Takayuki Umakoshi, Rhea Thankam Sam, Prabhat Verma

Applied Physics Letters　Vol. 114　No. 7　p. 073105-073105　2019　Research paper (scientific journal)

Raman Spectroscopic Studies of Dinaphthothienothiophene (DNTT)

Bishwajeet Singh Bhardwaj, Takeshi Sugiyama, Naoko Namba, Takayuki Umakoshi, Takafumi Uemura, Tsuyoshi Sekitani, Prabhat Verma

Materials　Vol. 12　2019

Metallic tips for efficient plasmon nanofocusing and advanced optical nano-imaiging

Takayuki Umakoshi, Yuika Saito, Prabhat Verma

Proc. of SPIE　Vol. 10726　No. 10726-6　2018　Research paper (international conference proceedings)

Plasmonic transfer of near-field light from subwavelength objects through a gold-nanorod chain

Yoshiro Ohashi, Bikas Ranjan, Yuika Saito, Takayuki Umakoshi, Prabhat Verma

Appl. Phys. Exp.　Vol. 11　2018

Tip-Enhanced Raman Spectroscopy: Technique and Recent Advances

Prabhat Verma

CHEMICAL REVIEWS　Vol. 117　No. 9　p. 6447-6466　2017/05

Near-field absorption imaging by two color raman nano-light source

Ryo Kato, Yuika Saito, Takayuki Umakoshi, Prabhat Verma

Optics InfoBase Conference Papers　Vol. 2017　2017　Research paper (international conference proceedings)

Near-field visible light absorption imaging by Raman-nano-light source

Ryo Kato, Yuika Saito, Takayuki Umakoshi, Prabhat Verma

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 10350　No. 103500S　2017　Research paper (international conference proceedings)

Control of near-field polarizations for nanoscale molecular orientational imaging

T. Mino, Y. Saito, P. Verma

APPLIED PHYSICS LETTERS　Vol. 109　No. 4　2016/07　Research paper (scientific journal)

High-sensitivity pesticide detection using particle-enhanced resonant Raman scattering

Bikas Ranjan, Yuika Saito, Prabhat Verma

APPLIED PHYSICS EXPRESS　Vol. 9　No. 3　2016/03　Research paper (scientific journal)

Highly efficient plasmonic tip design for plasmon nanofocusing in near-field optical microscopy

Takayuki Umakoshi, Yuika Saito, Prabhat Verma

NANOSCALE　Vol. 8　No. 10　p. 5634-5640　2016　Research paper (scientific journal)

Near-field absorption imaging by a Raman nano-light source

Ryo Kato, Yuika Saito, Prabhat Verma

RSC ADVANCES　Vol. 6　No. 114　p. 113139-113143　2016　Research paper (scientific journal)

Tip-enhanced Raman spectroscopy and near-field polarization

Yuika Saito, Toshihiro Mino, Prabhat Verma

AIP Conference Proceedings　Vol. 1702　2015/12/31　Research paper (international conference proceedings)

Superhydrophobic SERS Substrates Based on Silver-Coated Reduced Graphene Oxide Gratings Prepared by Two-Beam Laser Interference

Zhao-Xu Yan, Yong-Lai Zhang, Wei Wang, Xiu-Yan Fu, Hao-Bo Jiang, Yu-Qing Liu, Prabhat Verma, Satoshi Kawata, Hong-Bo Sun

ACS APPLIED MATERIALS & INTERFACES　Vol. 7　No. 49　p. 27059-27065　2015/12　Research paper (scientific journal)

Silver hierarchical structures grown on microstructured silicon in chip for microfluidic integrated catalyst and SERS detector

Zhaoxu Yan, Chunhao Li, Yang Luo, Jihong Zhao, Hai Yang, Prabhat Verma, Satoshi Kawata

CHINESE OPTICS LETTERS　Vol. 13　No. 10　2015/10　Research paper (scientific journal)

Temperature-dependent Photodegradation in UV-resonance Raman Spectroscopy

Hikaru Yoshino, Yuika Saito, Yasuaki Kumamoto, Atushi Taguchi, Prabhat Verma, Satoshi Kawata

ANALYTICAL SCIENCES　Vol. 31　No. 5　p. 451-454　2015/05　Research paper (scientific journal)

Optical antennas for tunable enhancement in tip-enhansed Raman spectroscopy imaging

Imad Maouli, Atsushi Taguchi, Yuika Saito, Satoshi Kawata, Prabhat Verma

APPLIED PHYSICS EXPRESS　Vol. 8　No. 3　2015/03　Research paper (scientific journal)

Metallic nanorods array for magnified subwavelength imaging

Yoshiro Ohashi, Bikas Ranjan, Yuika Saito, Prabhat Verma

NANOIMAGING AND NANOSPECTROSCOPY III　Vol. 9554　2015　Research paper (international conference proceedings)

Nanophotonics with Tip-enhanced Raman Spectroscopy

Prabhat Verma

2015 INTERNATIONAL CONFERENCE ON OPTICAL MEMS AND NANOPHOTONICS (OMN)　2015　Research paper (international conference proceedings)

Optical antennas with multiple plasmonic nanoparticles for tip-enhanced Raman microscopy

Atsushi Taguchi, Jun Yu, Prabhat Verma, Satoshi Kawata

NANOSCALE　Vol. 7　No. 41　p. 17424-17433　2015　Research paper (scientific journal)

Quantitative Analysis of Polarization-Controlled Tip-Enhanced Raman Imaging through the Evaluation of the Tip Dipole

Toshihiro Mino, Yuika Saito, Prabhat Verma

ACS NANO　Vol. 8　No. 10　p. 10187-10195　2014/10　Research paper (scientific journal)

Optical imaging at nanoscale using tip-enhanced raman spectroscopy

Prabhat Verma

Optics InfoBase Conference Papers　2014/07/21　Research paper (international conference proceedings)

Residual pesticide detection on food with particle-enhanced Raman scattering

Bikas Ranjan, Lichuan Huang, Kyoko Masui, Yuika Saito, Prabhat Verma

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 9169　2014　Research paper (international conference proceedings)

Tip-Enhanced Raman Investigation of Extremely Localized Semiconductor-to-Metal Transition of a Carbon Nanotube

Yoshito Okuno, Yuika Saito, Satoshi Kawata, Prabhat Verma

PHYSICAL REVIEW LETTERS　Vol. 111　No. 21　2013/11　Research paper (scientific journal)

Tip-enhanced nano-Raman analytical imaging of locally induced strain distribution in carbon nanotubes

Taka-aki Yano, Taro Ichimura, Shota Kuwahara, Fekhra H'Dhili, Kazumasa Uetsuki, Yoshito Okuno, Prabhat Verma, Satoshi Kawata

NATURE COMMUNICATIONS　Vol. 4　2013/10　Research paper (scientific journal)

Far-field free tapping-mode tip-enhanced Raman microscopy

Jun Yu, Yuika Saito, Taro Ichimura, Satoshi Kawata, Prabhat Verma

APPLIED PHYSICS LETTERS　Vol. 102　No. 12　2013/03　Research paper (scientific journal)

Evaluation of the interlayer interactions of few layers of graphene

Junto Tsurumi, Yuika Saito, Prabhat Verma

CHEMICAL PHYSICS LETTERS　Vol. 557　p. 114-117　2013/02　Research paper (scientific journal)

Tip-enhanced Raman scattering study of metalized-semiconducting carbon nanotube

Yoshito Okuno, Yuika Saito, Satoshi Kawata, Prabhat Verma

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　2013　Research paper (international conference proceedings)

A new technique for fabrication of better metallic nanotips for nanoimaging through tip-enhanced Raman spectroscopy

Takayuki Umakoshi, Taka-aki Yano, Yuika Saito, Prabhat Verma

Proc. of SPIE　Vol. 88150O　No. 8815　2013　Research paper (international conference proceedings)

Molecular orientation analysis of organic thin films by z-polarization Raman microscope

Toshihiro Mino, Yuika Saito, Hiroyuki Yoshida, Satoshi Kawata, Prabhat Verma

JOURNAL OF RAMAN SPECTROSCOPY　Vol. 43　No. 12　p. 2029-2034　2012/12　Research paper (scientific journal)

Fabrication of Near-Field Plasmonic Tip by Photoreduction for Strong Enhancement in Tip-Enhanced Raman Spectroscopy

Takayuki Umakoshi, Taka-aki Yano, Yuika Saito, Prabhat Verma

APPLIED PHYSICS EXPRESS　Vol. 5　No. 5　2012/05　Research paper (scientific journal)

Subnanometric stabilization of plasmon-enhanced optical microscopy

Taka-aki Yano, Taro Ichimura, Shota Kuwahara, Prabhat Verma, Satoshi Kawata

NANOTECHNOLOGY　Vol. 23　No. 20　2012/05　Research paper (scientific journal)

Polarization-Controlled Raman Microscopy and Nanoscopy

Yuika Saito, Prabhat Verma

JOURNAL OF PHYSICAL CHEMISTRY LETTERS　Vol. 3　No. 10　p. 1295-1300　2012/05　Research paper (scientific journal)

Optimization of s -polarization sensitivity in apertureless near-field optical microscopy

Yuika Saito, Yoshiro Ohashi, Prabhat Verma

International Journal of Optics　Vol. 2012　2012　Research paper (scientific journal)

Tunable plasmon resonances in a metallic nanotip-film system

Kazumasa Uetsuki, Prabhat Verma, Peter Nordlander, Satoshi Kawata

NANOSCALE　Vol. 4　No. 19　p. 5931-5935　2012　Research paper (scientific journal)

Single-mode operation regime for 12-fold index-guiding quasicrystal optical fibers

H. Zhao, R. Proietti Zaccaria, P. Verma, J. Song, H. Sun

APPLIED PHYSICS B-LASERS AND OPTICS　Vol. 100　No. 3　p. 499-503　2010/09　Research paper (scientific journal)

Nano-imaging through tip-enhanced Raman spectroscopy: Stepping beyond the classical limits

Prabhat Verma, Taro Ichimura, Taka-aki Yano, Yuika Saito, Satoshi Kawata

LASER & PHOTONICS REVIEWS　Vol. 4　No. 4　p. 548-561　2010/07

Temporally dynamic photopolymerization of C-60 molecules encapsulated in single-walled carbon nanotubes

Yuika Saito, Mitsuhiro Honda, Yoshikiyo Moriguchi, Prabhat Verma

PHYSICAL REVIEW B　Vol. 81　No. 24　2010/06　Research paper (scientific journal)

Validity of the V parameter for photonic quasi-crystal fibers

Han Zhao, Remo Proietti Zaccaria, Prabhat Verma, Junfeng Song, HongBo Sun

OPTICS LETTERS　Vol. 35　No. 7　p. 1064-1066　2010/04　Research paper (scientific journal)

Experimental Identification of Chemical Effects in Surface Enhanced Raman Scattering of 4-Aminothiophenol

Kazumasa Uetsuki, Prabhat Verma, Taka-aki Yano, Yuika Saito, Taro Ichimura, Satoshi Kawata

JOURNAL OF PHYSICAL CHEMISTRY C　Vol. 114　No. 16　p. 7515-7520　2010/04　Research paper (scientific journal)

Experimental Identification of Chemical Effects in Surface Enhanced Raman Scattering of 4-Aminothiophenol

Kazumasa Uetsuki, Prabhat Verma, Taka-aki Yano, Yuika Saito, Taro Ichimura, Satoshi Kawata

XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY　Vol. 1267　p. 978-979　2010　Research paper (international conference proceedings)

TERS in the Sub-Nanometric Vicinity of a Metallic Tip

Prabhat Verma, Taro Ichimura, Taka-aki Yano, Yuika Saito, Satoshi Kawata

XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY　Vol. 1267　p. 1247-+　2010　Research paper (international conference proceedings)

Tip-enhanced Near-field Raman Spectroscopy of Graphite Thin Layers

Yuika Saito, Kyoko Masui, Prabhat Verma, Satoshi Kawata

XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY　Vol. 1267　p. 1233-+　2010　Research paper (international conference proceedings)

Tip-Pressurized Near-Field Raman Microscopy: a Breakthrough Towards Molecular Resolution

Satoshi Kawata, Takaaki Yano, Prabhat Verma

XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY　Vol. 1267　p. 125-125　2010　Research paper (international conference proceedings)

Nano-scale analysis of graphene layers by tip-enhanced near-field Raman spectroscopy

Yuika Saito, Prabhat Verma, Kyoko Masui, Yasushi Inouye, Satoshi Kawata

JOURNAL OF RAMAN SPECTROSCOPY　Vol. 40　No. 10　p. 1434-1440　2009/10　Research paper (scientific journal)

Pressure-assisted tip-enhanced Raman imaging at a resolution of a few nanometres

Taka-aki Yano, Prabhat Verma, Yuika Saito, Taro Ichimura, Satoshi Kawata

NATURE PHOTONICS　Vol. 3　No. 8　p. 473-477　2009/08　Research paper (scientific journal)

Plasmonics for near-field nano-imaging and superlensing

Satoshi Kawata, Yasushi Inouye, Prabhat Verma

NATURE PHOTONICS　Vol. 3　No. 7　p. 388-394　2009/07

Imaging and spectroscopy through plasmonic nano-probe

Y. Saito, P. Verma

EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS　Vol. 46　No. 2　2009/05

Subnanometric Near-Field Raman Investigation in the Vicinity of a Metallic Nanostructure

Taro Ichimura, Shintaro Fujii, Prabhat Verma, Takaaki Yano, Yasushi Inouye, Satoshi Kawata

PHYSICAL REVIEW LETTERS　Vol. 102　No. 18　2009/05　Research paper (scientific journal)

Halide-ion-assisted increase of surface-enhanced hyper-Raman scattering: a clear observation of the chemical effect

Almar Palonpon, Taro Ichimura, Prabhat Verma, Yasushi Inouye, Satoshi Kawata

JOURNAL OF RAMAN SPECTROSCOPY　Vol. 40　No. 2　p. 119-120　2009/02　Research paper (scientific journal)

Tip-enhanced Raman Spectroscopic measurements in the sub-nanometric vicinity of a metallic tip

P. Verma, T. Ichimura, T. Yano, Y. Saito, S. Kawata

2009 LASERS & ELECTRO-OPTICS & THE PACIFIC RIM CONFERENCE ON LASERS AND ELECTRO-OPTICS, VOLS 1 AND 2　p. 1212-1213　2009　Research paper (international conference proceedings)

Magnified color imaging through plasmonic nanolens

Satoshi Kawata, Prabhat Verma

METAMATERIALS: FUNDAMENTALS AND APPLICATIONS II　Vol. 7392　2009　Research paper (international conference proceedings)

Oxygen-assisted shape control in polyol synthesis of silver nanocrystals

Atsushi Taguchi, Shintaro Fujii, Taro Ichimura, Prabhat Verma, Yasushi Inouye, Satoshi Kawata

CHEMICAL PHYSICS LETTERS　Vol. 462　No. 1-3　p. 92-95　2008/09　Research paper (scientific journal)

Direct evidence of chemical contribution to surface-enhanced hyper-Raman scattering

Almar Palonpon, Taro Ichimura, Prabhat Verma, Yasushi Inouye, Satoshi Kawata

APPLIED PHYSICS EXPRESS　Vol. 1　No. 9　2008/09　Research paper (scientific journal)

Manipulating full photonic band gap in two dimensional birefringent photonic crystals

Remo Proietti Zaccaria, Prabhat Verma, Satoshi Kawaguchi, Satoru Shoji, Satoshi Kawata

OPTICS EXPRESS　Vol. 16　No. 19　p. 14812-14820　2008/09　Research paper (scientific journal)

Subwavelength colour imaging with a metallic nanolens

Satoshi Kawata, Atsushi Ono, Prabhat Verma

NATURE PHOTONICS　Vol. 2　No. 7　p. 438-442　2008/07　Research paper (scientific journal)

Towards single molecule detection through tip-enhanced near-rield Raman spectroscopy

Prabhat Verma, Taro Ichimura, Taka-aki Yano, Yasushi Inouye, Satoshi Kawata

INTERNATIONAL WORKSHOP AND CONFERENCE ON PHOTONICS AND NANOTECHNOLOGY 2007　Vol. 6793　2008　Research paper (international conference proceedings)

Active control of the oxidization of a silicon cantilever for the characterization of silicon-based semiconductors

Atsushi Ono, Kyoko Masui, Yuika Saito, Takao Sakata, Atsushi Taguchi, Masashi Motohashi, Taro Ichimura, Hidekazu Ishitobi, Alvarado Tarun, Norihiko Hayazawa, Prabhat Verma, Yasushi Inouye, Satoshi Kawata

CHEMISTRY LETTERS　Vol. 37　No. 1　p. 122-123　2008/01　Research paper (scientific journal)

Confinement of enhanced field investigated by tip-sample gap regulation in tapping-mode tip-enhanced Raman microscopy

Taka-Aki Yano, Taro Ichimura, Atsushi Taguchi, Norihiko Hayazawa, Prabhat Verma, Yasushi Inouye, Satoshi Kawata

APPLIED PHYSICS LETTERS　Vol. 91　No. 12　2007/09　Research paper (scientific journal)

Temporal fluctuation of tip-enhanced Raman spectra of adenine molecules

Taro Ichimura, Hiroyuki Watanabe, Yasuhiro Morita, Prabhat Verma, Satoshi Kawata, Yasushi Inouye

JOURNAL OF PHYSICAL CHEMISTRY C　Vol. 111　No. 26　p. 9460-9464　2007/07　Research paper (scientific journal)

Visualization of localized strain of a crystalline thin layer at the nanoscale by tip-enhanced Raman spectroscopy and microscopy

Norihiko Hayazawa, Masashi Motohashi, Yuika Saito, Hidekazu Ishitobi, Atsushi Ono, Taro Ichimura, Prabhat Verma, Satoshi Kawata

JOURNAL OF RAMAN SPECTROSCOPY　Vol. 38　No. 6　p. 684-696　2007/06　Research paper (scientific journal)

Visualization of localized strain of a crystalline thin layer at the nanoscale by tip-enhanced Raman spectroscopy and microscopy

Norihiko Hayazawa, Masashi Motohashi, Yuika Saito, Hidekazu Ishitobi, Atsushi Ono, Taro Ichimura, Prabhat Verma, Satoshi Kawata

JOURNAL OF RAMAN SPECTROSCOPY　Vol. 38　No. 6　p. 684-696　2007/06　Research paper (scientific journal)

Nanoanalysis of crystalline properties of GaN thin film using tip-enhanced Raman spectroscopy

Ryota Matsui, Prabhat Verma, Taro Ichimura, Yasushi Inouye, Satoshi Kawata

APPLIED PHYSICS LETTERS　Vol. 90　No. 6　2007/02　Research paper (scientific journal)

Near-Field Effects in Tip-Enhanced Raman Scattering

Yasushi Inouye, Prabhat Verma, Taro Ichimura, Satoshi Kawata

Tip Enhancement　p. 87-113　2007　Part of collection (book)

Chapter 4 Raman, CARS and near-field Raman-CARS microscopy for cellular and molecular imaging

Prabhat Verma, Katsumasa Fujita, Taro Ichimura, Satoshi Kawata

Handai Nanophotonics　Vol. 3　p. 57-71　2007　Research paper (scientific journal)

Strain issues on crystal growth of bulk InGaAs from GaAs seed

M. R. Islam, M. S. Rahman, P. Verma, M. Yamada

Conference Proceedings - International Conference on Indium Phosphide and Related Materials　p. 95-98　2007　Research paper (international conference proceedings)

Diameter-selective near-field Raman analysis and imaging of isolated carbon nanotube bundles

T Yano, P Verma, S Kawata, Y Inouye

APPLIED PHYSICS LETTERS　Vol. 88　No. 9　2006/02　Research paper (scientific journal)

Tip-enhanced near-field Raman scattering: Fundamentals and new aspects for molecular nanoanalysis identification

Prabhat Verma, Yasushi Inouye, Satoshi Kawata

SURFACE-ENHANCED RAMAN SCATTERING: PHYSICS AND APPLICATIONS　Vol. 103　p. 241-260　2006

Tip-enhanced near-field Raman scattering and imaging of carbon nanostructures

Prabhat Verma, Taka-aki Yano, Yasushi Inouye, Satoshi Kawata

PLASMONICS: NANOIMAGING, NANOFABRICATION, AND THEIR APPLICATIONS II　Vol. 6324　2006　Research paper (international conference proceedings)

The effect of tip-enhancement in near-field Raman scattering of C-60

Prabhat Verma, Kouhei Yamada, Yasushi Inouye

PHOTON PROCESSING IN MICROELECTRONIC AND PHOTONICS V　Vol. 6106　2006　Research paper (international conference proceedings)

Optical nano-imaging of materials: Peeping through tip-enhanced Raman scattering

Satoshi Kawata, Prabhat Verma

CHIMIA　Vol. 60　No. 11　p. A770-A776　2006　Research paper (scientific journal)

Near-field Raman scattering investigation of tip effects on C-60 molecules

P Verma, K Yamada, H Watanabe, Y Inouye, S Kawata

PHYSICAL REVIEW B　Vol. 73　No. 4　2006/01　Research paper (scientific journal)

Nondestructive characterization of nanoparticles in solids by Raman spectroscopy and small angle x-ray scattering

M. Herms, G. Irmer, P. Verma, G. Goerigk

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 5766　p. 32-39　2005　Research paper (international conference proceedings)

Modeling of strain induced by compositional variation in wafer-shaped bulk mixed crystals

Md. Rafiqul Islam, Prabhat Verma, Akira Hiroki, Masayoshi Yamada

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers　Vol. 43　No. 8 A　p. 5469-5476　2004/08　Research paper (scientific journal)

Study on polycrystallization in bulk InxGa1-xAs using micro-Raman and photoluminescence

MR Islam, P Verma, A Yamada

JOURNAL OF CRYSTAL GROWTH　Vol. 263　No. 1-4　p. 125-131　2004/03　Research paper (scientific journal)

Near-field nano-Raman spectroscopy for molecular analysis and imaging

Y Inouye, N Hayazawa, P Verma, S Kawata

NANOPHOTONICS: INTEGRATING PHOTOCHEMISTRY, OPTICS AND NANO/BIO MATERIALS STUDIES　Vol. 1　p. 121-138　2004　Research paper (international conference proceedings)

The influence of residual strain on Raman scattering in InxGa1-xAs single crystals

MR Islam, P Verma, A Yamada, S Kodama, Y Hanaue, K Kinoshita

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY　Vol. 91　p. 66-69　2002/04　Research paper (scientific journal)

Raman scattering from wurtzite GaN bulk crystal

P Verma, A Yamada

SILICON CARBIDE AND RELATED MATERIALS 2001, PTS 1 AND 2, PROCEEDINGS　Vol. 389-3　p. 1501-1504　2002　Research paper (scientific journal)

Raman studies on GaAs1-xBix and InAs1-xBix

Prabhat Verma, K. Oe, M. Yamada, H. Harima, M. Herms, G. Irmer

Journal of Applied Physics　Vol. 89　No. 3　p. 1657-1663　2001/02/01　Research paper (scientific journal)

Identification of physical mechanisms of tensoeffects in highly strained Si and Ge

SI Budzulyak, VM Ermakov, YP Dotsenko, VV Kolomoets, YM Shwarts, EF Venger, M Fukuzawa, P Verma, M Yamada, E Liarokapis, DP Tunstall

PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II　Vol. 87　p. 146-147　2001　Research paper (international conference proceedings)

Temperature dependence of effective band edge mass in n-InSb by magnetophonon resonance up to T=320 K and influence of nonparabolicity corrections

D Schneider, S Krull, C Brink, G Irmer, P Verma

PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II　Vol. 87　p. 53-54　2001　Research paper (international conference proceedings)

Raman and photoluminescence studies of confinement effects on thermally grown CdSSe quantum dots

P Verma, L Gupta, KP Jain, SC Abbi, M Yamada

PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II　Vol. 87　p. 1319-1320　2001　Research paper (international conference proceedings)

Strain-induced MI transition in n-Si and n-Ge: Physical mechanisms and transport phenomena

SI Budzulyak, AE Gorin, VM Ermakov, VV Kolomoets, EF Venger, P Verma, M Yamada, E Liarokapis, DP Tunstall

PHYSICA STATUS SOLIDI B-BASIC RESEARCH　Vol. 223　No. 2　p. 519-523　2001/01　Research paper (scientific journal)

Confinement effects on the electronic and vibronic properties of CdS0.65Se0.35 nanoparticles grown by thermal annealing

P Verma, L Gupta, SC Abbi, KP Jain

JOURNAL OF APPLIED PHYSICS　Vol. 88　No. 7　p. 4109-4116　2000/10　Research paper (scientific journal)

Size analysis of nanocrystals in semiconductor doped silicate glasses with anomalous small-angle x ray and Raman scattering

G Irmer, J Monecke, P Verma, G Goerigk, M Herms

JOURNAL OF APPLIED PHYSICS　Vol. 88　No. 4　p. 1873-1879　2000/08　Research paper (scientific journal)

Laser power dependence of the photoluminescence from CdSxSe1-x nanoparticles in glass

P Verma, G Irmer, J Monecke

JOURNAL OF PHYSICS-CONDENSED MATTER　Vol. 12　No. 6　p. 1097-1110　2000/02　Research paper (scientific journal)

Laser power dependence of the band-edge of CdSxSe1-x quantum dots

P Verma, G Irmer, M Yamada

MICRO- AND NANO-PHOTONIC MATERIALS AND DEVICES　Vol. 3937　p. 114-122　2000　Research paper (international conference proceedings)

Raman probe of new laser materials GaAs1-xBix and InAs1-xBix

P Verma, M Herms, G Irmer, M Yamada, H Okamoto, K Oe

LASER DIODES AND LEDS IN INDUSTRIAL, MEASUREMENT, IMAGING, AND SENSORS APPLICATIONS II; TESTING, PACKAGING AND RELIABILITY OF SEMICONDUCTOR LASERS V　Vol. 3945　p. 168-173　2000　Research paper (international conference proceedings)

Excitonic effect in resonant Raman scattering by 2LO-phonon in CdS and ZnSe

P Verma, S Anand, KP Jain

PHYSICA B　Vol. 271　No. 1-4　p. 1-6　1999/11　Research paper (scientific journal)

Acoustic vibrations of semiconductor nanocrystals in doped glasses

P Verma, W Cordts, G Irmer, J Monecke

PHYSICAL REVIEW B　Vol. 60　No. 8　p. 5778-5785　1999/08　Research paper (scientific journal)

Temperature dependence of optical phonon lifetimes in ZnSe

S Anand, P Verma, KP Jain, SC Abbi

PHYSICA B　Vol. 226　No. 4　p. 331-337　1996/08　Research paper (scientific journal)

Temperature dependent photoluminescence studies of ZnSe:I single crystals grown by chemical vapor transport

S Anand, P Verma, SC Abbi, KP Jain, MJ Tafreshi, K Balakrishnan, R Dhansekaran

PRAMANA-JOURNAL OF PHYSICS　Vol. 47　No. 2　p. 133-143　1996/08　Research paper (scientific journal)

Raman scattering probe of ion-implanted and pulse laser annealed GaAs

P Verma, KP Jain, SC Abbi

JOURNAL OF APPLIED PHYSICS　Vol. 79　No. 8　p. 3921-3926　1996/04　Research paper (scientific journal)

RAMAN-SCATTERING PROBE OF ANHARMONIC EFFECTS IN GAAS

P VERMA, SC ABBI, KP JAIN

PHYSICAL REVIEW B　Vol. 51　No. 23　p. 16660-16667　1995/06　Research paper (scientific journal)

Raman studies on laser annealed ion-implanted GaAs

P VERMA, KP JAIN, SC ABBI

FOURTEENTH INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY　p. 384-385　1994　Research paper (international conference proceedings)