BORRBangladesh Open Research Repository
SearchSubmitAboutContact
BORRResearch for a Better Bangladesh.
AboutSubmit PaperContactTermsPolicyGitHub

© 2026 Bangladesh Open Research Repository.

Filters

Sort By

Sort by dateSort by citations
Year Range
to
Clear all filters

All Papers

16+ results
Field: Nuclear magnetic resonance

Super-elastic ferroelectric single-crystal membrane with continuous electric dipole rotation

Verified

Guohua Dong, Suzhi Li, Mouteng Yao, Ziyao Zhou et al.

Journal: Science 2019
Year:
Citations: 462

Flexible ferroelectrics High-quality ferroelectric materials, which polarize in response to an electric field, are usually oxides that crack when bent. Dong et al. found that high-quality membranes of barium titanate are surprisingly flexible and super-elastic. These films accommodate large strains ...

Physical SciencesMaterials ScienceMaterials Chemistry
Read Source

Diffusion-weighted MR imaging of intracerebral masses: comparison with conventional MR imaging and histologic findings.

Verified

Tadeusz Stadnik, C. Chaskis, Alex Michotte, Wael Shabana et al.

Journal: PubMedYear: 2001Citations: 334

BACKGROUND AND PURPOSE: The purposes of this study were to find the role of diffusion-weighted MR imaging in characterizing intracerebral masses and to find a correlation, if any, between the different parameters of diffusion-weighted imaging and histologic analysis of tumors. The usefulness of diff...

Health SciencesMedicineGeneticsOpen Access
Read Source

Synthesis of ZnO nanoparticles by two different methods & comparison of their structural, antibacterial, photocatalytic and optical properties

Verified

Md. Jahidul Haque, Md Masum Bellah, Md Rakibu Hassan, Suhanur Rahman

Journal: Nano ExpressYear: 2020Citations: 203

Abstract In this work, two different methods (sol-gel and biosynthesis) were adopted for the synthesis of zinc oxide (ZnO) nanoparticles. The leaf extract of Azadirachta Indica (Neem) was utilized in the biosynthesis scheme. Structural, antibacterial, photocatalytic and optical performances of the t...

Physical SciencesMaterials ScienceMaterials ChemistryOpen Access
Read Source

Carbon quantum dots modified tubular g-C3N4 with enhanced photocatalytic activity for carbamazepine elimination: Mechanisms, degradation pathway and DFT calculation

Verified

Chun Zhao, Zhenzhu Liao, Wen Liu, Fuyang Liu et al.

Journal: Journal of Hazardous MaterialsYear: 2019Citations: 195

A novel tubular graphitic carbon nitride (g-C3N4) modified with carbon quantum dots (CQDs) was fabricated and employed for the elimination of carbamazepine (CBZ) under visible light irradiation. The as-fabricated metal-free catalysts exhibited tubular morphologies due to the preforming of tubular pr...

Physical SciencesEnergyRenewable Energy, Sustainability and the Environment
Read Source

Structural, electrical transport, and magnetic properties of Ni1−xZnxFe2O4

Verified

A. K. M. Akther Hossain, S. T. Mahmud, Munetoshi Seki, Tsuyoshi Kawai et al.

Journal: Journal of Magnetism and Magnetic MaterialsYear: 2006Citations: 193
Physical SciencesMaterials ScienceMaterials Chemistry
Read Source

Complex impedance and electric modulus studies of magnetic ceramic Ni0.27Cu0.10Zn0.63Fe2O4

Verified

M. Belal Hossen, A. K. M. Akther Hossain

Journal: Journal of Advanced CeramicsYear: 2015Citations: 192

The electrical properties of Ni0.27Cu0.10Zn0.63Fe2O4 (NCZF) prepared from auto combustion synthesis of ferrite powders have been studied by impedance and modulus spectroscopy. We studied frequency and temperature dependencies of impedance and electric modulus of NCZF in a wide frequency range (20 Hz...

Physical SciencesMaterials ScienceMaterials ChemistryOpen Access
Read Source

AlzheimerNet: An Effective Deep Learning Based Proposition for Alzheimer’s Disease Stages Classification From Functional Brain Changes in Magnetic Resonance Images

Verified

F. M. Javed Mehedi Shamrat, Shamima Akter, Sami Azam, Asif Karim et al.

Journal: IEEE AccessYear: 2023Citations: 184

Alzheimer’s disease is largely the underlying cause of dementia due to its progressive neurodegenerative nature among the elderly. The disease can be divided into five stages: Subjective Memory Concern (SMC), Mild Cognitive Impairment (MCI), Early MCI (EMCI), Late MCI (LMCI), and Alzheimer’s Disease...

Life SciencesNeuroscienceNeurologyOpen Access
Read Source

Densification, magnetic and dielectric behaviour of Cu-substituted Mg–Zn ferrites

Verified

Md. Manjurul Haque, M. Huq, M. A. Hakim

Journal: Materials Chemistry and PhysicsYear: 2008Citations: 170
Physical SciencesMaterials ScienceMaterials Chemistry
Read Source

Manganese Ferrite Nanoparticles (MnFe2O4): Size Dependence for Hyperthermia and Negative/Positive Contrast Enhancement in MRI

Verified

Khairul Islam, M. Manjurul Haque, Arup Kumar, Amitra Hoq et al.

Journal: NanomaterialsYear: 2020Citations: 163

We synthesized manganese ferrite (MnFe2O4) nanoparticles of different sizes by varying pH during chemical co-precipitation procedure and modified their surfaces with polysaccharide chitosan (CS) to investigate characteristics of hyperthermia and magnetic resonance imaging (MRI). Structural features ...

Physical SciencesMaterials ScienceBiomaterialsOpen Access
Read Source

Effect of stacking sequence on the performance of hybrid natural/synthetic fiber reinforced polymer composite laminates

Verified

Subrata Chandra Das, Debasree Paul, Sotirios Grammatikos, Md. Abu Bakar Siddiquee et al.

Journal: Composite StructuresYear: 2021Citations: 162

Here, the effect of stacking sequence on the mechanical and thermomechanical properties of composites using natural fiber (jute), synthetic fiber (glass) and unsaturated polyester resin, is presented. The fabricated composite laminates were neat jute/polyester, neat glass/polyester, and hybrid jute/...

Physical SciencesMaterials SciencePolymers and PlasticsOpen Access
Read Source

Controlled Vapor Growth and Nonlinear Optical Applications of Large‐Area 3R Phase WS<sub>2</sub> and WSe<sub>2</sub> Atomic Layers

Verified

Zhouxiaosong Zeng, Xingxia Sun, Danliang Zhang, Weihao Zheng et al.

Journal: Advanced Functional MaterialsYear: 2019Citations: 146

Abstract 2D layered 3‐rhombohedral (3R) phase transition metal dichalcogenides (TMDs) have received significantly increased research interest in nonlinear optical applications due to their unique crystal structures and broken inversion symmetry. However, controlled growth of 2D 3R phase TMDs still r...

Physical SciencesMaterials ScienceMaterials Chemistry
Read Source

Experimental investigation of the mechanical and water absorption properties on fiber stacking sequence and orientation of jute/carbon epoxy hybrid composites

Verified

Abu Shaid Sujon, Mohammad Ahsan Habib, Mohammad Zoynal Abedin

Journal: Journal of Materials Research and TechnologyYear: 2020Citations: 144

The application of natural fibers could be enhanced manifold by using them together with synthetic fibers, which can potentially reduce the cost of the hybrid composites. In this study, vacuum assisted resin infusion process has been used to fabricate composites using woven jute fibers (six layers) ...

Physical SciencesMaterials SciencePolymers and PlasticsOpen Access
Read Source

Characterization of Ni–Cu mixed spinel ferrite

Verified

S. Manjura Hoque, Md. Amanullah Choudhury, Md. Fakhrul Islam

Journal: Journal of Magnetism and Magnetic MaterialsYear: 2002Citations: 141
Physical SciencesMaterials ScienceMaterials Chemistry
Read Source

Influence of drying–wetting cycles on soil-water characteristic curve of undisturbed granite residual soils and microstructure mechanism by nuclear magnetic resonance (NMR) spin-spin relaxation time (<i>T</i><sub>2</sub>) relaxometry

Verified

Lingwei Kong, Hossain Md. Sayem, Huihui Tian

Journal: Canadian Geotechnical JournalYear: 2017Citations: 131

Due to the formational environment and climatic variability, granite residual soils with grain-size distribution ranging from gravel to clay undergo multiple drying–wetting cycles. The influences of multiple drying–wetting cycles on the soil-water characteristic curve (SWCC) and pore-size distributi...

Physical SciencesEngineeringCivil and Structural EngineeringOpen Access
Read Source

Room temperature dielectric and magnetic properties of Gd and Ti co-doped BiFeO3 ceramics

Verified

M. A. Basith, O. Kurni, M. S. Alam, B. L. Sinha et al.

Journal: Journal of Applied PhysicsYear: 2014Citations: 123

Room temperature dielectric and magnetic properties of BiFeO3 samples, co-doped with magnetic Gd and non-magnetic Ti in place of Bi and Fe, respectively, were reported. The nominal compositions of Bi0.9Gd0.1Fe1–xTixO3 (x = 0.00-0.25) ceramics were synthesized by conventional solid state reaction tec...

Physical SciencesMaterials ScienceElectronic, Optical and Magnetic MaterialsOpen Access
Read Source
PreviousPage 1 of 2+Next