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BiFe1-xCrxO3 (x=0.0, 0.05 and 0.1) nanoparticles are prepared by a combustion method without using any solvent. All the synthesized nanoparticles are single phase in nature, nearly spherical in shape and crystallize in distorted perovskite…

Materials Science · Physics 2015-02-23 Samar Layek , Santanu Saha , H. C. Verma

We study the structural and bulk superconducting properties of self flux grown PdBi2Te3 single crystal. Phase purity of as grown crystal is confirmed by Rietveld refinement of gently crushed powder XRD of the same. PdBi2Te3 crystallizes in…

Superconductivity · Physics 2019-12-23 M. M. Sharma , Lina Sang , Poonam Rani , X. L. Wang , V. P. S. Awana

Single crystals of the three-dimensional frustrated magnet and spin liquid candidate compound PbCuTe$_2$O$_6$ were grown using both the Travelling Solvent Floating Zone (TSFZ) and the Top-Seeded Solution Growth (TSSG) techniques. The growth…

Materials Science · Physics 2021-11-25 A. R. N. Hanna , A. T. M. N. Islam , R. Feyerherm , K. Siemensmeyer , K. Karmakar , S. Chillal , B. Lake

Materials with ring-shaped electronic bands are promising thermoelectric candidates, since their unusual dispersion shape is predicted to give large power factors. While previous calculations of these materials have relied on the assumption…

Mesoscale and Nanoscale Physics · Physics 2021-04-14 Cameron Rudderham , Jesse Maassen

The rapid progress in 2D material research has triggered the growth of various quantum nanostructures-nanosheets, nanowires, nanoribbons, nanocrystals and the exotic nature originating through 2D heterostructures has extended the synthesis…

Materials Science · Physics 2019-03-11 Alka Sharma , T D Senguttuvan , V N Ojha , Sudhir Husale

Thin-film solid-state metal dealloying (thin-film SSMD) is a promising method for fabricating nanostructures with controlled morphology and efficiency, offering advantages over conventional bulk materials processing methods for integration…

In this paper we study the size effects of the ferroelectric nanotube phase diagrams and polar properties allowing for effective surface tension and depolarization field influence. The approximate analytical expression for the…

Materials Science · Physics 2007-05-23 A. N. Morozovska , M. D. Glinchuk , E. A. Eliseev

The photoacoustic method with piezoelectric detection for the simultaneous evaluation of the thermophysical properties is proposed. The approach is based on the settling of an additional heat sink for redistribution of heat fluxes deposited…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 K. Dubyk , T. Nychyporuk , V. Lysenko , K. Termentzidis , G. Castanet , F. Lemoine , D. Lacroix , Mykola Isaiev

The preparation in thin film form of the known icosahedral phase in Ti-Ni-Zr bulk alloys has been investigated as a function of substrate temperature. Films were deposited by Pulsed Laser Deposition on sapphire substrates at temperatures…

Materials Science · Physics 2020-10-01 Valerie Brien , A. Dauscher , P. Weisbecker , F. Machizaud

By using the semi-wet synthesis method, lead-free ferroelectric materials Ba0.9Sr0.1Ti1-xSnxO3 with x = 0, 0.02, 0.05, and 0.10 (abbreviated as BSTS) were prepared and their structural, electric and electrocaloric properties were…

We report electrical (angular magneto-resistance, and Hall), thermal (heat capacity) and spectroscopic (Raman, x-ray photo electron, angle resolved photo electron) characterization of bulk Bi2Se3 topological insulator, which is being is…

Strongly Correlated Electrons · Physics 2018-03-14 Rabia Sultana , Geet Awana , Banabir Pal , P. K. Maheshwari , Monu Mishra , Govind Gupta , Anurag Gupta , S. Thirupathaiah , V. P. S. Awana

In this paper the state-of-the-art for exploiting the unique physical and chemical properties of crystalline materials and their possible applications for development of crystalline nanocomposites with the tailored anisotropy were…

Materials Science · Physics 2019-02-26 Nazariy Andrushchak , Petra Goering , Anatoliy Andrushchak

PbSe-doped silicate glasses were studied through wide-angle X-ray diffraction (WXRD) and small-angle neutron scattering (SANS). PbSe nanoparticles in the glasses were produced due to the secondary heat treatment at different temperatures…

Mesoscale and Nanoscale Physics · Physics 2017-12-12 V. S. Gurin , G. E. Rachkovskaya , G. B. Zakharevich , S. E. Kichanov , Yu. E. Gorshkova

Single phase BiFeO3 nanoparticles have been successfully synthesized for the first time by a novel citrate combustion method without using any solvent. Well mixed metal nitrates along with citric acid which is used as fuel combust to give…

Materials Science · Physics 2015-02-23 Samar Layek , H. C. Verma

(Bi1-xSbx)2Te3 (x=0.60, 0.65, 0.68, 0.70, 0.75 and 0.80) mixed crystals have been synthesized by solid state reaction. In depth structural, thermal, transport and electronic properties are reported. Defect and disorder play a crucial role…

Applied Physics · Physics 2021-08-03 K. Malik , S. Mahakal , Diptasikha Das , Aritra Banerjee , S. Chatterjee , Anusree Das

Reduced dimensionality leads to emergent phenomena in quantum materials and there is a need for accelerated materials discovery of nanoscale quantum materials in reduced dimensions. Thermomechanical nanomolding is a rapid synthesis method…

Nanostructured silicon is a promising material for thermoelectric conversion, because the thermal conductivity in silicon nanostructures can be strongly reduced with respect to that of bulk materials. We present thermal conductivity…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Giovanni Pennelli , Elisabetta Dimaggio , Massimo Macucci

The transverse thermoelectric generation and cooling performances in a thermopile module composed of recently developed SmCo$_5$/Bi$_{0.2}$Sb$_{1.8}$Te$_3$ artificially tilted multilayers are evaluated quantitatively. When a large…

Materials Science · Physics 2025-08-04 Masayuki Murata , Fuyuki Ando , Takamasa Hirai , Hiroto Adachi , Ken-ichi Uchida

Controlling thermal energy transfer at the nanoscale has become critically important in many applications and thermal properties since it often limits device performance. In this work, we study the effects on thermal conductivity arising…

The thermal conductivity of nanostructures needs to be as small as possible so that it will have a greater efficiency for solid-state electricity generation/refrigeration by thermoelectrics. We studied how the period length and the mass…

Mesoscale and Nanoscale Physics · Physics 2013-01-14 Lina Yang , Nuo Yang , Baowen Li
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