Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Muthu DVS"'
Raman signatures of strong Kitaev exchange correlations in (Na1-xLix)(2)IrO3: Experiments and theory
Autor:
Gupta, Satyendra Nath, Sriluckshmy, PV, Mehlawat, Kavita, Balodhi, Ashiwini, Mishra, Dileep K, Hassan, SR, Ramakrishnan, TV, Muthu, DVS, Singh, Yogesh, Sood, AK
Publikováno v:
IndraStra Global.
Inelastic light scattering studies on single crystals of (Na1-xLix)(2)IrO3 (x = 0, 0.05 and 0.15) show a polarization-independent broad band at similar to 2750 cm(-1) with a large band-width similar to 1800 cm(-1). For Na2IrO3 the broad band is seen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::591434e38b53d0348185b792c950a3b1
http://eprints.iisc.ac.in/54421/1/EPL_114-4_47004_2016.pdf
http://eprints.iisc.ac.in/54421/1/EPL_114-4_47004_2016.pdf
Publikováno v:
IndraStra Global.
We report high-pressure Raman-scattering studies on single-crystal ReO3 up to 26.9 GPa at room temperature, complemented by first-principles density functional calculations to assign the modes and to develop understanding of the subtle features of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::c2e6e51966f8f1ee8871495d28a73017
http://eprints.iisc.ac.in/51914/1/Phy_Rev_B_91-22_224308_2015.pdf
http://eprints.iisc.ac.in/51914/1/Phy_Rev_B_91-22_224308_2015.pdf
Autor:
Saha, Surajit, Ghalsasi, Pallavi, Muthu, DVS, Singh, Surjeet, Suryanarayanan, R, Revcolevschi, A, Sood, AK
Publikováno v:
IndraStra Global.
We revisit the assignment of Raman phonons of rare-earth titanates by performing Raman measurements on single crystals of O18 isotope-rich spin ice Dy2Ti2O718 and nonmagnetic Lu2Ti2O718 pyrochlores and compare the results with their O16 counterparts.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::5d811f358f80fefa89fdff721244702d
http://eprints.iisc.ac.in/45095/1/jou_ram_spe_43_8_1157-1165_2012.pdf
http://eprints.iisc.ac.in/45095/1/jou_ram_spe_43_8_1157-1165_2012.pdf
Autor:
Mishra, AK, Poswal, HK, Sharma, Surinder M, Saha, Surajit, Muthu, DVS, Singh, Surjeet, Suryanarayanan, R, Revcolevschi, A, Sood, AK
Publikováno v:
IndraStra Global.
Our in situ x-ray diffraction and Raman measurements of Yb2Ti2O7 pyrochlore show that it undergoes a reversible structural phase transition from cubic pyrochlore to a monoclinic phase at similar to 28.6 GPa. Analysis of the x-ray data shows the trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::0c83f76c8c5c4656258548aca281824c
https://igi.indrastra.com/items/show/209869
https://igi.indrastra.com/items/show/209869
Autor:
Kumar, Pradeep, Bera, Achintya, Muthu, DVS, Kumar, Anil, Waghmare, UV, Harnagea, L, Hess, C, Wurmehl, S, Singh, S, Buechner, B, Sood, AK
Publikováno v:
IndraStra Global.
Inelastic light scattering studies on a single crystal of electron-doped Ca(Fe0.95Co0.05)(2)As-2 superconductor, covering the tetragonal-to-orthorhombic structural transition as well as the magnetic transition at T-SM similar to 140 K and the superco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::a04efbe6454f28ed810e066cef3cd8ef
https://igi.indrastra.com/items/show/209228
https://igi.indrastra.com/items/show/209228
Autor:
Kumar, Pradeep, Kumar, Anil, Saha, Surajit, Muthu, DVS, Prakash, J, Patnaik, S, Waghmare, UV, Ganguli, AK, Sood, AK
We report interesting anomalies in the temperature dependent Raman spectra of FeSe$_{0.82}$ measured from 3K to 300K in the spectral range from 60 to 1800 cm$^{-1}$ and determine their origin using complementary first-principles density functional ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c29dd16813c93a70a90d291d09d99511
http://arxiv.org/abs/1004.1612
http://arxiv.org/abs/1004.1612
Publikováno v:
IndraStra Global.
Permalloy (NiFeMo) nanoparticles were fabricated by laser ablation of bulk material in water with a UV pulsed laser. Transmission electron microscope images showed that approximately spherical particles about 50 nm in diameter were formed in the abla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::92203f65a477f4220875602806accc7e
https://igi.indrastra.com/items/show/206616
https://igi.indrastra.com/items/show/206616
Autor:
Saha, Surajit, Muthu, DVS, Singh, Surjeet, Dkhil, B, Suryanarayanan, R, Dhalenne, G, Poswal, HK, Karmakar, S, Sharma, Surinder M, Revcolevschi, A, Sood, AK
Publikováno v:
IndraStra Global.
We have carried out temperature- and pressure-dependent Raman and x-ray measurements on single crystals of Tb2Ti2O7. We attribute the observed anomalous temperature dependence of phonons to phonon-phonon anharmonic interactions. The quasiharmonic and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::fdcbaf870b572ef52c3db369b199d948
http://eprints.iisc.ac.in/20541/1/GetPDFServlet.pdf
http://eprints.iisc.ac.in/20541/1/GetPDFServlet.pdf
Autor:
Chen, Bin, Zhang, Hengzhong, Dunphy-Guzman, KA, Spagnoli, D, Kruger, MB, Muthu, DVS, Kunz, M, Fakra, Sirine, Hu, JZ, Guo, QZ, Banfield, Jillian F
Synchrotron-based high-pressure x-ray diffraction measurements indicate that compressibility, a fundamental materials property, can have a size-specific minimum value. The bulk modulus of nanocrystalline titania has a maximum at particle size of 15 n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::907ad2e24b9f42ad31efcf55a3a1a609
http://eprints.iisc.ernet.in/19824/
http://eprints.iisc.ernet.in/19824/
Publikováno v:
IndraStra Global.
An X-ray diffraction study has been carried out on boron nitride multi-walled nanotubes up to 19.1 GPa. The fit to the unit cell volumes yields a zero pressure bulk modulus K-0 = 34.9 +/- 1 GPa and its pressure derivative K-0' = 5.9 +/- 0.3. The comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ae25fa5ffe60c1bdba177adad90aa023
https://igi.indrastra.com/items/show/206279
https://igi.indrastra.com/items/show/206279