Nidhi Adhlakha
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View article: Impact of terahertz short pulses on the oxygen defect state in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>TiO</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:math>
Impact of terahertz short pulses on the oxygen defect state in Open
Oxygen-deficient titanium dioxide (TiO2−x) is a very attractive material for several applications ranging from photocatalysis to resistive switching. Oxygen vacancies turn insulating anatase titanium dioxide into a polaronic conductor, whi…
View article: Impact of terahertz short pulses on the oxygen defect state in TiO$_{2-x}$
Impact of terahertz short pulses on the oxygen defect state in TiO$_{2-x}$ Open
Oxygen deficient titanium dioxide (TiO$_{2-x}$) is a very attractive material for several applications ranging from photocatalysis to resistive switching. Oxygen vacancies turn insulating anatase titanium dioxide into a polaronic conductor…
View article: Terahertz Saturable Absorption from Relativistic High-Temperature Thermodynamics in Black Phosphorus
Terahertz Saturable Absorption from Relativistic High-Temperature Thermodynamics in Black Phosphorus Open
Thanks to its tunable infrared band-gap and to its anisotropic conduction properties, black phosphorus represents a very unique 2D material, whose potential in the engineering of new devices still needs to be fully explored. We investigate…
View article: Single-shot terahertz time-domain spectrometer using 1550 nm probe pulses and diversity electro-optic sampling
Single-shot terahertz time-domain spectrometer using 1550 nm probe pulses and diversity electro-optic sampling Open
Classical terahertz spectroscopy usually requires the use of Fourier transform or Time-Domain Spectrometers. However, these classical techniques become impractical when using recent high peak power terahertz sources – based on intense lase…
View article: Nonlinear TeraHertz Transmission by Liquid Water at 1 THz
Nonlinear TeraHertz Transmission by Liquid Water at 1 THz Open
The solvation properties of liquid water originate from the transient network of hydrogen-bonded molecules. In order to probe the coupling between the different modes of this network, nonlinear terahertz (THz) spectroscopy techniques are r…
View article: Terahertz Tuning of Dirac Plasmons in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Se</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> Topological Insulator
Terahertz Tuning of Dirac Plasmons in Topological Insulator Open
Light can be strongly confined in subwavelength spatial regions through the interaction with plasmons, the collective electronic modes appearing in metals and semiconductors. This confinement, which is particularly important in the teraher…
View article: The TeraFERMI Electro-Optic Sampling Set-Up for Fluence-Dependent Spectroscopic Measurements
The TeraFERMI Electro-Optic Sampling Set-Up for Fluence-Dependent Spectroscopic Measurements Open
TeraFERMI is the THz beamline at the FERMI free-electron-laser facility in Trieste (Italy). It uses superradiant Coherent Transition Radiation emission to produce THz pulses of 10 to 100 μ J intensity over a spectral range which can extend…
View article: User Operation of Sub-Picosecond THz Coherent Transition Radiation Parasitic to a VUV FEL
User Operation of Sub-Picosecond THz Coherent Transition Radiation Parasitic to a VUV FEL Open
Coherent transition radiation is enhanced in intensity and extended in frequency spectral range by the electron beam manipulation in the beam dump beam line of the FERMI FEL, by exploiting the interplay of coherent synchrotron radiation in…
View article: Coherent THz Emission Enhanced by Coherent Synchrotron Radiation Wakefield
Coherent THz Emission Enhanced by Coherent Synchrotron Radiation Wakefield Open
View article: Multiferroic and magnetoelectric properties of BiFeO3-CoFe2O4-poly(vinylidene-flouride) composite films
Multiferroic and magnetoelectric properties of BiFeO3-CoFe2O4-poly(vinylidene-flouride) composite films Open
View article: Direct-Write X-ray Nanopatterning: A Proof of Concept Josephson Device on Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> Superconducting Oxide
Direct-Write X-ray Nanopatterning: A Proof of Concept Josephson Device on Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> Superconducting Oxide Open
We describe the first use of a novel photoresist-free X-ray nanopatterning technique to fabricate an electronic device. We have produced a proof-of-concept device consisting of a few Josephson junctions by irradiating microcrystals of the …