D V S Muthu
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Explore the profile of D V S Muthu including associated specialties, affiliations and a list of published articles.
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16
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15
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Recent Articles
1.
Rosalin M, Irshad K, Joseph B, Telang P, Singh S, S Muthu D, et al.
J Phys Condens Matter
. 2024 Jul;
36(45).
PMID: 39084629
The pyrochlore iridates,IrO, show a wide variety of structural, electronic, and magnetic properties controlled by the interplay of different exchange interactions, which can be tuned by external pressure. In this...
2.
Mithun K, Kar S, Kumar A, S Muthu D, Ravishankar N, Sood A
Nanoscale
. 2021 Apr;
13(17):8283-8292.
PMID: 33890585
Collective excitation of Dirac plasmons in graphene and topological insulators has opened new possibilities of tunable plasmonic materials ranging from THz to mid-infrared regions. Using time resolved Optical Pump-Terahertz Probe...
3.
Das S, Prasad S, Chakraborty B, Jariwala B, Shradha S, S Muthu D, et al.
Nanoscale
. 2021 Jan;
13(2):1248-1256.
PMID: 33404576
In the bilayer ReS2 channel of a field-effect transistor (FET), we demonstrate using Raman spectroscopy that electron doping (n) results in softening of frequency and broadening of linewidth for the...
4.
Bera A, Singh A, Gupta S, Glazyrin K, S Muthu D, Waghmare U, et al.
J Phys Condens Matter
. 2020 Nov;
33(6):065402.
PMID: 33169727
Synchrotron x-ray diffraction measurements on powder 2H-MoTe (P6/mmc) up to ∼46 GPa have been performed along with first-principles based density functional theoretical analysis to probe the isostructural transition in low...
5.
Das S, Debnath K, Chakraborty B, Singh A, Grover S, S Muthu D, et al.
Nanotechnology
. 2020 Oct;
32(4):045202.
PMID: 33036010
Understanding of electron-phonon coupling (EPC) in two-dimensional (2D) materials manifesting as phonon renormalization is essential to their possible applications in nanoelectronics. Here we report in situ Raman measurements of electrochemically...
6.
Kuiri M, Das S, S Muthu D, Das A, Sood A
Nanoscale
. 2020 Apr;
12(15):8371-8378.
PMID: 32238996
Bulk 1T'-MoTe shows a structural phase transition from the 1T' to Weyl semimetallic (WSM) T phase at ∼240 K. This phase transition and transport properties in the two phases have...
7.
Gupta S, Singh A, Pal K, S Muthu D, Shekhar C, Elghazali M, et al.
J Phys Condens Matter
. 2018 Mar;
30(18):185401.
PMID: 29528300
High pressure Raman, resistivity and synchrotron x-ray diffraction studies on Weyl semimetals NbAs and TaAs have been carried out along with density functional theoretical (DFT) analysis to explain pressure induced...
8.
Ghalsasi P, Ghalsasi P, S Muthu D
Inorg Chem
. 2017 Aug;
56(16):9669-9675.
PMID: 28770998
In centrosymmetric molecules, like A[M(CN)] (where A is alkali metal cation), normally all stretching vibrations of cyanide (CN) shift to high frequency in response to nonhydrostatic pressure, whereas, in non-centrosymmetric...
9.
Bera A, Singh A, S Muthu D, Waghmare U, Sood A
J Phys Condens Matter
. 2016 Dec;
29(10):105403.
PMID: 28008869
High pressure Raman spectroscopy of bulk 2H-MoTe up to ∼29 GPa is shown to reveal two phase transitions (at ∼6 and 16.5 GPa), which are analyzed using first-principles density functional...
10.
Bera A, Pal K, S Muthu D, Waghmare U, Sood A
J Phys Condens Matter
. 2016 Feb;
28(10):105401.
PMID: 26881905
In recent years, a low pressure transition around P3 GPa exhibited by the A2B3-type 3D topological insulators is attributed to an electronic topological transition (ETT) for which there is no...