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Journal articles on the topic 'Strain dependent dielectric constant'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

A., Agrawal*1 N.Yadav2 &. S.Ghosh3. "DIFFUSION-INDUCED MODULATIONAL INSTABILITY IN SEMICONDUCTOR QUANTUM PLASMA WITH STRAIN DEPENDENT DIELECTRIC CONSTANT." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 10 (2017): 381–89. https://doi.org/10.5281/zenodo.1012553.

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In the present paper we report the diffusion-induced modulational instability (MI) of an intense laser beam in materials (BaTiO<sub>3</sub>) with high dielectric constant using quantum hydrodynamic model of plasmas including Bohm potential and Fermi degenerate pressure. For the study of modulation interaction, we have considered that the origin of this nonlinear interaction lies in the third order nonlinear electrical susceptibility arising due to diffusion-induced nonlinear current density and strain dependent polarization of the medium. We have studied the qualitative behavior of parametric

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2

Pal, A. K., and M. Ganguly. "Bleustein-Gulyaev Waves in Materials with Strain-Dependent Dielectric Constant." Physica Status Solidi (a) 103, no. 1 (1987): 167–73. http://dx.doi.org/10.1002/pssa.2211030118.

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3

Li, Chun, Fan Yang, and Wan Lin Guo. "Strain-Induced Modulations of Electro-Optic and Nonlinear Optical Properties of ZnO: A First-Principles Study." Applied Mechanics and Materials 29-32 (August 2010): 1803–8. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.1803.

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Strain-dependent electro-optic constant r33 and nonlinear optical coefficient d33 of ZnO are investigated systematically using density-functional theory based linear-response perturbation method. Miscellaneous properties, such as dielectric constants, elastic constants, piezoelectric coefficients, nonlinear optical coefficients, and electro-optic constants of other II-VI compound semiconductors (both Wurtzite and Zinc-blende structures) are also calculated for comparison with the results of unstrained ZnO. Extensive first-principles calculations show that both r33 and d33 of ZnO decrease almos

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4

Sharma, S. B., R. Adhikari, K. R. Sigdel, and R. Bhatta. "Strain Induced Electronic and Optical Properties of 2D Silicon Carbide Monolayer Using Density Functional Theory." Journal of Nepal Physical Society 7, no. 1 (2021): 60–65. http://dx.doi.org/10.3126/jnphyssoc.v7i1.36977.

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Using the first principle calculation, we investigated the structural, electronic, and strain-dependent optical properties of the two-dimensional hexagonal Silicon Carbide (SiC) Monolayer. We found that the biaxial compressive strain loading gradually changes the direct bandgap SiC into indirect bandgap semiconductor. The compressive strain increases the bandgap but reduces the values of static dielectric constant and refractive index. Conversely, the biaxial tensile strain loading decreases the bandgap but increases the value of static dielectric constant and refractive index. The result show

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5

Artemenko, O. L., and B. B. Sevruk. "Parametric Phonon-Helicon Interaction in Centrosymmetric Crystals with Strain-Dependent Dielectric Constant." Acta Physica Polonica A 90, no. 3 (1996): 531–39. http://dx.doi.org/10.12693/aphyspola.90.531.

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6

Ghosh, S., and R. B. Saxena. "Parametric Instabilities of Laser Beams in Material with Strain-Dependent Dielectric Constant." physica status solidi (a) 96, no. 1 (1986): 111–19. http://dx.doi.org/10.1002/pssa.2210960113.

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7

Sahu, R. K., K. Patra, S. Bhaumik, A. K. Pandey, and D. K. Setua. "Stress-Strain Behaviour of Dielectric Elastomer for Actuators." Applied Mechanics and Materials 789-790 (September 2015): 837–41. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.837.

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Dielectric elastomer (DE) is gaining importance for potential strategic and commercial application as actuators. This paper reports the experimental investigation on different mechanical phenomena at large deformation of a commercially available acrylic dielectric elastomer material, VHB 4910 (3M) which is widely used for dielectric elastomer actuator (DEA) research. Attempts are made for accurate and precise experimental determination of nonlinear stress-strain, strain rate dependent hysteresis behaviour and cyclic softening of this material. It is observed that with the increase in strain ra

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8

Abbas, Yasir, Muhammad Kamran, Tanveer Akhtar, and Muhammad Anis-ur-Rehman. "Study of Temperature Dependent Dielectric Spectroscopy of Cerium Doped Bismuth Calcium Cobaltite." Materials Science Forum 1067 (August 10, 2022): 197–203. http://dx.doi.org/10.4028/p-292841.

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Bulk specimens of Bi2Ca2-xCexCoO6 (x = 0.00, 0.20) were prepared in pure phase form using co-precipitation method. The monoclinic structure of all samples is revealed via X-Ray Diffraction (XRD) analysis. The crystallite size, lattice constant, lattice strain, and volume of the unit cell were all determined using XRD analysis. On sintered at 750°C for 2 hours, the average crystallite size was 32-38nm. The precision analyzer was used to determine the loss tangent tan (δ), dielectric constant (ε'), AC conductivity (σac) in the 20Hz-3MHz range. The conduction process of electrical conductivity wa

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9

Ghosh, S., and S. Dixit. "Modulational instability of a laser beam in a piezoelectric material with strain dependent dielectric constant." Physics Letters A 118, no. 7 (1986): 354–56. http://dx.doi.org/10.1016/0375-9601(86)90324-5.

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10

Sanghvi, R., and S. Ghosh. "Amplitude modulation and demodulation of electromagnetic waves in magnetised material with strain-dependent dielectric constant." physica status solidi (a) 118, no. 1 (1990): 235–40. http://dx.doi.org/10.1002/pssa.2211180128.

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11

Artemenko, O. L., and B. B. Sevruk. "Parametric Interaction of Electromagnetic and Acoustic Waves in Cubic Semiconductors with Strain-Dependent Dielectric Constant." physica status solidi (b) 189, no. 1 (1995): 257–64. http://dx.doi.org/10.1002/pssb.2221890129.

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12

Anand, S., A. P. Amaliya, M. Asisi, and J. S. Pauline. "Structural, morphological and dielectric studies of zirconium substituted CoFe2O4 nanoparticles." Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering 21, no. 4 (2021): 207–15. http://dx.doi.org/10.17073/1609-3577-2018-4-207-215.

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In this work, the influence of zirconium substitution in cubic spinel nanocrystalline CoFe2O4 on the structural, morphological and dielectric properties are reported. Zirconium substituted cobalt ferrite Co1-xZrxFe2O4 (x = 0.7) nanoparticles were synthesized by sol-gel route. The structural and morphological investigations using powder X-ray diffraction and high resolution scanning electron microscope (HRSEM) analysis are reported. Scherrer plot, Williamson–Hall analysis and Size-strain plot method were used to calculate the crystallite size and lattice strain of the samples. High purity chemi

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13

Ghosh, S., and S. Dixit. "Laser driven acoustic instabilities in materials with strain-dependent dielectric constants." Ultrasonics 25, no. 3 (1987): 175–79. http://dx.doi.org/10.1016/0041-624x(87)90026-6.

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14

Naeem, Faysal, Mohsin Saleem, Hamid Jabbar, et al. "Enhanced Ferroelectric and Dielectric Properties of Niobium-Doped Lead-Free Piezoceramics." Materials 16, no. 2 (2023): 477. http://dx.doi.org/10.3390/ma16020477.

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Lead-free ceramics are promising candidates for replacing lead-based piezoelectric materials such as lead-zirconate-titanate (PZT) if they can compete in dielectric and ferroelectric characteristics. In this work, for lead-free piezoelectric ceramic, 0.74(Bi0.5Na0.5TiO3)-0.26(SrTiO3) (BNT-ST26) and niobium-substituted (Nb-BNT–ST26) ceramics were synthesized by solid-state reactions. The evolution of niobium substitution to the perovskite phase structure of BNT-ST26 ceramics was confirmed by X-ray diffraction (XRD) analysis and Raman spectra. Electromechanical properties of Nb-BNT-ST26 ceramics

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15

Hau-Riege, Stefan P., and Carl V. Thompson. "The Effects of the Mechanical Properties of the Confinement Material on Electromigration in Metallic Interconnects." Journal of Materials Research 15, no. 8 (2000): 1797–802. http://dx.doi.org/10.1557/jmr.2000.0259.

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New low-dielectric-constant interlevel dielectrics are being investigated as alternatives to SiO2 for future integrated circuits. In general, these materials have very different mechanical properties from SiO2. In the standard model, electromigration-induced stress evolution caused by changes in the number of available lattice sites in interconnects is described by an effective elastic modulus, B. Finite element calculations were carried out to obtain B as a function of differences in the modulus, E, of interlevel dielectrics, for several stress-free homogeneous dilational strain configuration

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16

den Toonder, J. M. J., Y. Ramone, A. R. van Dijken, J. G. J. Beijer, and G. Q. Zhang. "Viscoelastic Characterization of Low-Dielectric Constant SiLK Films Using Nanoindentation in Combination With Finite Element Modeling." Journal of Electronic Packaging 127, no. 3 (2004): 276–85. http://dx.doi.org/10.1115/1.1938990.

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SiLK is a polymer material developed for use as a thin-film dielectric in the interconnect structure of high-density integrated circuits. Among others, its thermomechanical properties play a dominant role for the integrity and reliability of the interconnect during processing, testing, and use. Being a polymer, SiLK may show viscoelastic (time-dependent) behavior. In this paper, we use nanoindentation techniques in combination with analytical and finite element modeling (FEM) to determine the viscoelastic properties of a thin SiLK film on a silicon substrate. Indentation-creep experiments show

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17

Yadav, N., S. Ghosh, and P. S. Malviya. "Nonlinear parametric interactions in ion-implanted semiconductor plasmas having strain-dependent dielectric constants." Chinese Physics B 26, no. 1 (2017): 015203. http://dx.doi.org/10.1088/1674-1056/26/1/015203.

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18

Rudresha, C., C. Balaji, V. Vidya Shree, and S. Maruthamanikandan. "Effect of time-dependent sinusoidal electric field on the onset of electroconvection in a viscoelastic fluid layer." Condensed Matter Physics 27, no. 4 (2024): 43702. https://doi.org/10.5488/cmp.27.43702.

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Time-periodic electric field modulation of a viscoelastic dielectric fluid layer heated from below and cooled from above is examined using an Oldroyd-B type liquid. On the basis of small amplitudes of modulation, the regular perturbation method can be used to calculate the threshold for correction of the critical Rayleigh number. The dielectric constant is assumed to be a linear function of temperature. We show that electric field modulation frequency, electrical, Prandtl number, and viscoelastic parameters are related to the shift in the critical Rayleigh number and the possibility of subcrit

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19

Malviya, P. S., N. Yadav, and S. Ghosh. "Acousto-optic modulation in ion implanted semiconductor plasmas having SDDC." Applied Mathematics and Nonlinear Sciences 3, no. 1 (2018): 303–10. http://dx.doi.org/10.21042/amns.2018.1.00023.

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AbstractThe present paper is aimed to the exploration of acousto-optic (AO) modulational amplification in ion implanted semiconductors. The AO modulational process has been treated as a four wave parametric mixing process and the effective third-order acousto-optic susceptibility characterizing the instability process has been deduced. By considering that the origin of modulational interaction lies in the third order AO susceptibility arising from the nonlinear induced current density and using the coupled mode theory, an analytical investigation of an intense laser beam in a strain dependent

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20

Yadav, N., S. Ghosh, and A. Agrawal. "Parametric interactions of acoustic waves in semiconductor quantum plasmas with strain dependent dielectric constants." Journal of Physics: Conference Series 836 (May 31, 2017): 012019. http://dx.doi.org/10.1088/1742-6596/836/1/012019.

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21

Badapanda, T., B. Parija, R. Barman, and S. Chaterjee. "Investigation of Electromechanical, Piezoelectric and Ferroelectric Properties of Ba(Zr_0.05Ti_0.95)O₃ Ceramic." ECS Journal of Solid State Science and Technology 11, no. 3 (2022): 033013. http://dx.doi.org/10.1149/2162-8777/ac5eaf.

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This paper demonstrates the structural, dielectric, ferroelectric, piezoelectric and electromechanical parameters of the pure-phase Ba(Zr0.05Ti0.95)O3 /BZT composition prepared through conventional solid state technique. The identification of compound and formation were analysed by X-ray diffraction (XRD) technique that demonstrated a pure perovskite phase of the synthesized composition. The sintering temperature- dependent density of the BZT ceramics wasstudied andthe sample with high density was considered for further study. Dense and well-defined grains were observed in the micrograph of th

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22

Dal, Nazma D., Nisha N. Chavda, Parul H. Madhad, et al. "Structural and electrical properties of pure and doped lanthanum oxide." International Journal of Modern Physics B 35, no. 20 (2021): 2150210. http://dx.doi.org/10.1142/s0217979221502106.

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In this communication, structural and electrical properties of rare earth oxides La2O3 (LO) and LaNdO3 (LNO) have been studied. To understand the structural properties of the LO and LNO samples, X-ray diffraction (XRD) measurement was carried out at room temperature. The XRD patterns have been analyzed by Rietveld refinement to confirm the single-phase nature of both the samples. The crystal structures of studied samples were created from the derived parameters of Rietveld parameters. The crystal size and lattice strain have been estimated using Williamson–Hall (W–H) plot analysis. Frequency-d

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23

Nichols, B. M., B. H. Hoerman, J.-H. Hwang, T. O. Mason, and B. W. Wessels. "Phase stability of epitaxial KTaxNb1−xO3 thin films deposited by metalorganic chemical vapor deposition." Journal of Materials Research 18, no. 1 (2003): 106–10. http://dx.doi.org/10.1557/jmr.2003.0015.

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The phase stability of epitaxial KTaxNb1−xO3 (0 ≤ x ≤ 1) thin films, with compositions over the entire solid solution range, was investigated. KTaxNb1−xO3 thin films were deposited on (100) MgAl2O4 substrates by metalorganic chemical vapor deposition. Films with compositions x ≤ 0.30 were orthorhombic, as determined by x-ray diffraction. Dielectric measurements at room temperature indicated the presence of morphotropic phase boundaries at x = 0.30 and at x = 0.74. Temperature-dependent measurements of the dielectric constant for KNbO3 from 80 to 800 K indicated three structural phase transitio

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24

Pan, Li Kun, Ming Xia Gu, Gang Ouyang, and Chang Q. Sun. "Behind the Quantum and Size Effects: Broken-Bond-Induced Local Strain and Skin-Depth Densified Quantum Trapping of Charge and Energy." Key Engineering Materials 444 (July 2010): 17–45. http://dx.doi.org/10.4028/www.scientific.net/kem.444.17.

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Shrinking the size of a solid down to nanometer scale is indeed fascinating, which makes all the otherwise constant physical quantities to be tunable such as the Young’s modulus, dielectric constant, melting point, etc. The variation of size also generates novel properties that can hardly be seen in the bulk such as the conductor-insulator and nonmagnetic-magnetic transition of noble metals at the nanoscale. Although the physics of materials at the nanoscale has been extensively investigated, the laws governing the energetic and dynamic behavior of electrons at such a scale and their consequen

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Jiang, Pingping, Marie-Christine Record, and Pascal Boulet. "Electron Density and Its Relation with Electronic and Optical Properties in 2D Mo/W Dichalcogenides." Nanomaterials 10, no. 11 (2020): 2221. http://dx.doi.org/10.3390/nano10112221.

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Two-dimensional MX2 (M = Mo, W; X = S, Se, Te) homo- and heterostructures have attracted extensive attention in electronics and optoelectronics due to their unique structures and properties. In this work, the layer-dependent electronic and optical properties have been studied by varying layer thickness and stacking order. Based on the quantum theory of atoms in molecules, topological analyses on interatomic interactions of layered MX2 and WX2/MoX2, including bond degree (BD), bond length (BL), and bond angle (BA), have been detailed to probe structure-property relationships. Results show that

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Dalgamouni, Summer, Driss Benhaddou, and Stanko Brankovic. "Chloride Ion Sensing Using Fiber Brag Grating." ECS Meeting Abstracts MA2024-02, no. 65 (2024): 4381. https://doi.org/10.1149/ma2024-02654381mtgabs.

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Objective of our work is to demonstrate a new approach to chemical sensing. It is based on an optical probe using optical fiber with Brag Grating (FBG) coated with specific metal whose surface is modified to enhance selective adsorption of chemical species (Figure 1A). The goal is to demonstrate a chemical sensor whose transducing mechanism combines two phenomena: First, a light propagation/reflection through an optical fiber with Brag grating having strain dependent dialectic constants. Second, the electrocapillarity of a metal coating which exerts a pressure/strain on the grating dependent o

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Jiang, Pingping, Pascal Boulet, and Marie-Christine Record. "Structure-Property Relationships of 2D Ga/In Chalcogenides." Nanomaterials 10, no. 11 (2020): 2188. http://dx.doi.org/10.3390/nano10112188.

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Two-dimensional MX (M = Ga, In; X = S, Se, Te) homo- and heterostructures are of interest in electronics and optoelectronics. Structural, electronic and optical properties of bulk and layered MX and GaX/InX heterostructures have been investigated comprehensively using density functional theory (DFT) calculations. Based on the quantum theory of atoms in molecules, topological analyses of bond degree (BD), bond length (BL) and bond angle (BA) have been detailed for interpreting interatomic interactions, hence the structure–property relationship. The X–X BD correlates linearly with the ratio of l

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Abdel-Fattah, Essam M., and Ali A. Azab. "Plasmonic Rutile TiO2/Ag Nanocomposites Tailored via Nonthermal-Plasma-Assisted Synthesis: Enhanced Spectroscopic and Optical Properties with Tuned Electrical Behavior." Journal of Composites Science 9, no. 4 (2025): 156. https://doi.org/10.3390/jcs9040156.

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In this study, silver nanoparticles (Ag NPs) were synthesized on the surface of rutile-phase titanium dioxide (R-TiO2) using a plasma-assisted technique. Comprehensive analyses were conducted to investigate the structural, morphological, optical, and electrical properties of the synthesized nanocomposites. Transmission electron microscopy (TEM) images revealed the uniform decoration of Ag NPs (average size: 29.8 nm) on the R-TiO2 surface. X-ray diffraction (XRD) confirmed the polycrystalline nature of the samples, with decreased diffraction peak intensity indicating reduced crystallinity due t

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Skorda, Stefania, Achilleas Bardakas, Apostolos Segkos, et al. "Influence of SiC Doping on the Mechanical, Electrical, and Optical Properties of 3D-Printed PLA." Journal of Composites Science 8, no. 3 (2024): 79. http://dx.doi.org/10.3390/jcs8030079.

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Additive manufacturing, also known as 3D printing or digital fabrication technology, is emerging as a fast-expanding technology for the fabrication of prototypes and products in a variety of applications. This is mainly due to the advantages of 3D printing including the ease of manufacturing, the use of reduced material quantities minimizing material waste, low-cost mass production as well as energy efficiency. Polylactic acid (PLA) is a natural thermoplastic polyester that is produced from renewable resources and is routinely used to produce 3D-printed structures. One important feature that m

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Ryuzaki, Daisuke, Takeshi Ishida, and Takeshi Furusawa. "Time-Dependent Dielectric-Constant Increase." Journal of The Electrochemical Society 150, no. 12 (2003): F203. http://dx.doi.org/10.1149/1.1621415.

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Wang, Yubo, Huali Yang, Yali Xie, et al. "Strain Effect on Dielectricity of Elastic Thermoplastic Polyurethanes." Polymers 16, no. 11 (2024): 1465. http://dx.doi.org/10.3390/polym16111465.

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Dielectric elastomers, such as thermoplastic polyurethanes (TPUs), are widely used as the dielectric layer, encapsulation layer, and substrate of flexible and stretchable devices. To construct capacitors and actuators that work stably upon deformation, it has become urgent to investigate the evolution of dielectricity under stress and strain. However, the lack of effective methods for estimating the dielectric constant of elastomers under strain poses a big challenge. This study reports a device for the in situ measurement of the dielectric constant of TPU under strain. It is found that upon s

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Sastry, S. Sreehari, L. Tanuj Kumar, T. Vishwam, V. R. K. Murthy, S. Lakshminaryana, and Ha Sie Tiong. "Dielectric Studies on Fe3O4Nanodopedp-n-Alkyloxybenzoic Acids." Advances in Condensed Matter Physics 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/639259.

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The stability of phase transition temperatures and textural changes for thermotropic pure and nanodopedp-n-alkyloxybenzoic acid mesogens were aimed to study at considerable time periods. Frequency and temperature dependent dielectric constant and dielectric loss for the pure and nanodoped liquid crystals were carried out. Significant anomalies in dielectric studies were observed near phase transitions when dielectric constant and dielectric loss had been measured as a function of temperature and frequency. Changes in dielectric constant and loss were observed and there were no apparent changes

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Kaya, Naki, та Haluk Koralay. "Frequency-Dependent Dielectric Characterization of Bi1.75Pb0.25Sr2Ca2Cu3-xSnxO10+δ Glass Ceramics System". Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi 18, № 1 (2025): 248–63. https://doi.org/10.18185/erzifbed.1603785.

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In this study, Bi1.75Pb0.25Sr2Ca2Cu3-xSnxO10+δ glass ceramic structure; (x = 0.0, 0.3, 0.5) depending on Cu3-x-Snx displacement, frequency-dependent (100 Hz-2 MHz), capacitance-conductance measurements were taken at 75 K and 125 K temperature values. Dielectric constant reel part (ε'), imaginary dielectric constant (ε''), dielectric loss (tanδ) and ac electrical conductivity (σac) frequency dependence were analyzed using the capacitance–voltage (C–V) and conductance-voltage (G-V) measurements. Sn doping had a negative capacitive effect and a decrease in capacitive effect was observed with the

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Huang, Jian-Qiu, Qing-An Huang, Ming Qin, Weijie Dong, and Xiaowei Chen. "Strain Effect of the Dielectric Constant in Silicon Dioxide." Journal of Microelectromechanical Systems 19, no. 6 (2010): 1521–23. http://dx.doi.org/10.1109/jmems.2010.2082500.

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Tian, Ming, Qin Ma, Xiaolin Li, Liqun Zhang, Toshio Nishi, and Nanying Ning. "High performance dielectric composites by latex compounding of graphene oxide-encapsulated carbon nanosphere hybrids with XNBR." J. Mater. Chem. A 2, no. 29 (2014): 11144–54. http://dx.doi.org/10.1039/c4ta01600a.

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A novel dielectric composite with high dielectric constant (k), low dielectric loss, low elastic modulus and large actuated strain at a low electric field was prepared by a simple, low-cost and efficient method.

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Seo, Jin-Sung, Do-Hyeon Kim, Heon-Seob Jung, et al. "Effect of the Particle Size and Layer Thickness of GNP Fillers on the Dielectric Properties and Actuated Strain of GNP–PDMS Composites." Polymers 14, no. 18 (2022): 3824. http://dx.doi.org/10.3390/polym14183824.

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Dielectric elastomer actuators (DEAs), a type of electroactive polymers (EAPs), are smart materials that are used in various fields such as artificial muscles and biomimetic robots. In this study, graphene nanoplatelets (GNPs), which are conductive carbon fillers, were added to a widely used DEA, namely, polydimethylsiloxane (PDMS), to improve its low actuated strain. Four grades of GNPs were used: H5, H25, M5, and M25 (here, the number following the letter indicates the average particle size of the GNPs in μm). The average layer thickness of the H grade is 13–14 nm and that of the M grade is

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Sengwa, R. J., and A. Soni. "Low-frequency dielectric dispersion and microwave dielectric properties of dry and water-saturated limestones of Jodhpur region." GEOPHYSICS 71, no. 5 (2006): G269—G277. http://dx.doi.org/10.1190/1.2243743.

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We investigated the complex dielectric constant of 17 different grades of dry and water-saturated limestone samples from the Jodhpur region in the frequency range of [Formula: see text] to [Formula: see text] and also at [Formula: see text] at room temperature. The Cole-Cole dielectric dispersion model was used to compute the values of low-frequency-limit dielectric constant, high-frequency-limit dielectric constant, dielectric strength, and principal value of the relaxation time for each dry limestone sample. The chemical composition, sample bulk density, and porosity of each sample studied w

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Huang, Shi Feng, Xue Li, Fu Tian Liu, Ya Mei Liu, Xin Cheng, and Zong Jin Li. "Influence of Strontium Ferrite on Properties of 0-3 Cement-Based Piezoelectric Composites." Key Engineering Materials 400-402 (October 2008): 125–29. http://dx.doi.org/10.4028/www.scientific.net/kem.400-402.125.

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0-3 cement based piezoelectric composites were fabricated using sulphoaluminate cement as matrix by compressing technique method. The effects of strontium ferrite content on the piezoelectric properties, dielectric properties and acoustic impedance of the composites were studied. The results show that the piezoelectric strain constant d33 and piezoelectric voltage constant g33 of the composites increase gradually with increaing strontium ferrite content. When the strontium ferrite mass fraction is 0.4%, both of the piezoelectric strain constant d33 and piezoelectric voltage constant g33 of the

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Feng, Yu Hua, Tie Zheng Pan, Xiang Qian Shen, Hao Jie Song, and Li Ping Guo. "Effects of Barium Substitution on the Structure and Properties of PSZT Piezoelectric Ceramics." Materials Science Forum 650 (May 2010): 103–8. http://dx.doi.org/10.4028/www.scientific.net/msf.650.103.

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Piezoelectric ceramics with appropriate curie temperatures and high dielectric and piezoelectric performances are attractive for formations of ceramic/polymer piezoelectric composites. The PSZT ceramics with compositions of 0.98Pb1.0-xBaxTi0.48Zr0.52O3-0.02PbSbO3 (x=0.14~0.24) have been prepared by a conventional solid reaction process. The ceramic structures are analyzed by X-ray diffraction and the barium substitution leads to structural changes of the tetragonal and rhombohedral phases which constitute the perovskite PSZT ceramics, and lattice distortions. The curie temperature almost linea

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Vijay Kumar, J., U. Mahesh Kumar, A. GuruSampath Kumar, et al. "Structure and dielectric behavior of MnxZn1-xTiO3, (x = 0.1, 0.3, & 0.5) ceramics for microwave applications with enhanced permittivity." Science of Sintering, no. 00 (2025): 33. https://doi.org/10.2298/sos250507033v.

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The microstructure and dielectric properties of manganese-doped zinc titanate (MnxZn1-xTiO?) ceramics were systematically studied for varying manganese concentrations (x = 0.1, 0.3, and 0.5). X-ray diffraction analysis confirmed the formation of a single-phase ilmenite-type hexagonal structure, reflecting the structural evolution with dopant concentration. Dielectric measurements revealed that the dielectric constant increased significantly with both manganese doping and temperature, while it decreased with increasing frequency. Similarly, dielectric loss exhibited a temperature-dependent rise

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Wen, Shumin, Chunwang Zhao, Jijun Li, and Qingyu Hou. "Effect of strain on the electronic structure and optical properties of germanium." International Journal of Modern Physics B 32, no. 12 (2018): 1850140. http://dx.doi.org/10.1142/s0217979218501400.

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The effects of biaxial strain parallel to the (001) plane on the electronic structures and optical properties of Ge are calculated using the first-principles plane-wave pseudopotential method based on density functional theory. The screened-exchange local-density approximation function was used to obtain more reliable band structures, while strain was changed from −4% to [Formula: see text]4%. The results show that the bandgap of Ge decreases with the increase of strain. Ge becomes a direct-bandgap semiconductor when the tensile strain reaches to 2%, which is in good agreement with the experim

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Alkan, Ümit, Yaşar Karabul, Ayşe Evrim Bulgurcuoğlu, Mehmet Kılıç, Zeynep Güven Özdemir, and Orhan İçelli. "Polypropylene/basalt thick film composites: structural, mechanical and dielectric properties." e-Polymers 17, no. 5 (2017): 417–25. http://dx.doi.org/10.1515/epoly-2017-0035.

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AbstractIn this work, polypropylene/volcanic basalt rock (PP/VBR) thick film composites with different VBR powder mass ratio varying from 0.5 wt.% to 20.0 wt.% were prepared by using the hot press technique. The effects of VBR powder doping on mechanical, structural and dielectric properties of PP were investigated by stress-strain measurements, Fourier transform infrared analysis, thermal gravimetric analysis, scanning electron microscopy and dielectric spectroscopy methods. The highest tensile strength, percentage strain and energy at break were achieved for 0.5 wt.% VBR powder doped PP comp

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Huang, Xin You, Chun Hua Gao, Min Xian Wei, and Zhi Gang Chen. "Influence of La₂O₃ Doping Amount on Properties of NBT-KBT-BT Lead-Free Piezoelectric Ceramics." Applied Mechanics and Materials 43 (December 2010): 614–18. http://dx.doi.org/10.4028/www.scientific.net/amm.43.614.

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0.85(Na0.5Bi0.5)TiO3-0.144(K0.5Bi0.5)TiO3-0.006BaTiO3(NBT-KBT-BT) lead-free piezo -electric ceramics were prepared using conventional solid state method. The influence of La2O3 doping amount on the crystal phase, surface microstructure and properties of the NBT-KBT-BT lead free piezoelectric ceramics were investigated using X-ray diffraction(XRD), Scanning electron microscopy(SEM) and other analytical methods. The results show that La2O3 has diffused into the lattice of NBT-KBT-BT ceramics. Consequently, a pure perovskite phase is formed. SEM images show that the microstructure of the ceramics

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Kashir, Alireza, Hyeon-Woo Jeong, Woochan Jung, Yoon Hee Jeong, and Gil-Ho Lee. "Strain-Induced Increase of Dielectric Constant in EuO Thin Film." Materials Research Express 6, no. 10 (2019): 106321. http://dx.doi.org/10.1088/2053-1591/ab405a.

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Rivas, J., J. Mira, B. Rivas-Murias, et al. "Magnetic-field-dependent dielectric constant in La2∕3Ca1∕3MnO3." Applied Physics Letters 88, no. 24 (2006): 242906. http://dx.doi.org/10.1063/1.2213513.

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Wu, Di, Alexander J. Pak, Yingnan Liu, et al. "Thickness-Dependent Dielectric Constant of Few-Layer In2Se3 Nanoflakes." Nano Letters 15, no. 12 (2015): 8136–40. http://dx.doi.org/10.1021/acs.nanolett.5b03575.

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Omelyan, Igor P. "Wavevector dependent dielectric constant of the MCY water model." Physics Letters A 220, no. 1-3 (1996): 167–77. http://dx.doi.org/10.1016/0375-9601(96)00526-9.

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Singh, R., B. K. Kaushik, and J. K. Quamara. "Temperature dependent dielectric constant/loss investigations in annealed polyetherimide." IOP Conference Series: Materials Science and Engineering 73 (February 17, 2015): 012109. http://dx.doi.org/10.1088/1757-899x/73/1/012109.

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Hemberger, J., P. Lunkenheimer, R. Viana, R. Böhmer, and A. Loidl. "Electric-field-dependent dielectric constant and nonlinear susceptibility inSrTiO3." Physical Review B 52, no. 18 (1995): 13159–62. http://dx.doi.org/10.1103/physrevb.52.13159.

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Wang, Wenqi, Guanguan Ren, Ming Zhou, and Wei Deng. "Preparation and Characterization of CCTO/PDMS Dielectric Elastomers with High Dielectric Constant and Low Dielectric Loss." Polymers 13, no. 7 (2021): 1075. http://dx.doi.org/10.3390/polym13071075.

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Dielectric elastomer (DE) is a type of electric field type electroactive polymer material that can produce greater deformation under the action of an electric field and has a faster recovery speed. It has the advantages of high energy density, large strain, low quality, and commercialization, and has become the most widely concerned and researched electroactive polymer material. In this study, copper calcium titanate (CCTO) particles with a large dielectric constant were selected as the filling phase, and a silicone rubber (PDMS) with better biocompatibility and lower elastic modulus was used

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