Oct 21, 2010 The CdTe quantum dots (QDs) are synthesized at room temperature in a record minimum time of 5 min by mechanical alloying the stoichiometric mixture of Cd and Te powders under Ar in a high energy planetary ball mill. Microstructure characterization of ball milled CdTe powders by x-ray diffraction employing the Rietveld structure refinement method reveals that

The University Of Burdwan, Burdwan. ... Synthesis of Snow-ball Flower like Superparamagnetic Ni Nanoparticles directed by Negatively Charged Micelles. 88. ... 2.Microstructure study of praseodymium doped barium titanate prepared by high energy ball milling. 95. Sunita Mohanty

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3 The University of Burdwan, Main campus at Golapbagh. The Burdwan University campus is housed in Golap Bagh (literary meaning rose garden). It was originally a rose garden of the Mughal era. The university contains several ancient structure including a Hawa Mahal, a domed pavilion located on an island

Jun 17, 2014 Synthesis of Nanocrystalline CdS by SILAR and Their Characterization. Partha Protim Chandra,1 Ayan Mukherjee,2 and P. Mitra 2. 1Department of Physics, Banwarilal Bhalotia College, Asansol, Burdwan, West Bengal 713303, India. 2Department of Physics, The University of Burdwan, Golapbag, Burdwan, West Bengal 713104, India

Burdwan University, Burdwan Burdwan University, Burdwan -Labpur S.N.College B.Sc. Physics B. 1982 - 1985. Activities and Societies: Foot Ball, Cricket, Marathon Race, Gardening Courses DCE, DMM, AITT -Honors & Awards Stores In-charge Director Materials

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Sep 04, 2019 Department of Physics, The University of Burdwan, Golapbag, Burdwan 713104, India. 1 author. 2. Department of Chemistry, Bankura University, Bankura 722155, India. 1 author. 3. Department of Microbiology, MUC Women's College, Burdwan 713104, India. ... Zn and Ag powder mixture under Ar atmosphere within 4 h of milling. The nanocomposite is then

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Dr. Kundu earned her Masters and Doctorate degree in Physics with specialization in Materials Science from the University of Burdwan in India. ... for

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1 Department of Physics, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India. ... (Yu and Peng 2002) or high mechanical energy like ball-milling up to 30 h

Jan 07, 2010 High energy ball milling of stoichiometric (0.5:0.5:1 mole fraction) mixture of CdO, ZnO and α-Fe 2 O 3 powders in air at room temperature results in formation of a non-stoichiometric Zn-rich (Zn,Cd)Fe 2 O 4 phase with normal spinel structure having tetrahedral vacancies. The ferrite phase is initiated at 1 h of milling and after 25 h milling, 0.96 mole

Aug 14, 2009 ZnS quantum dots (QDs) with cubic phase have been prepared by mechanical alloying the stoichiometric mixture of Zn and S powders at room temperature in a planetary ball mill under Ar. Initially, an amorphouslike thin wurtzite (hexagonal) shell is formed on major zinc-blende (cubic) core after 3.5 h of milling and, in the course of milling up to 20 h, strain free

Jun 24, 2009 In the analysis particle size of ball milled Ni along 〈1 1 1〉 obtained from WAMLPA decreases very rapidly from ∼47.0 nm to ∼2.6 nm within 1.5 h of milling but that of unmilled Ni powder obtained from the Rietveld analysis decreases in the same manner from ∼98 nm to ∼3 nm within 3 h of milling. From Rietveld analysis, the isotropic

Solid state synthesis, Ball milling, solvothermal Crystal structure analysis and refinement of single crystal and powder samples Thermal analysis, SEM-EDS, EIS, UV-Vis spectroscopy, Raman spectroscopy ... University of Burdwan University of Burdwan Bachelor's degree Chemistry, Physics, Mathematics 1st Class. 2007 – 2010

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Microstructural changes and effect of variation of lattice strain on positron annihilation lifetime parameters of zinc ferrite nanocomposites prepared by high enegy ball-milling By Sandeep Chaudhuri Microstructure and positron annihilation studies of mechanosynthesized CdFe 2 O 4

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energy ball milling and chemical route Ph.D. degree awarded (2004) Dr. Sanat Kumar Manik Microstructure characterization of some ... Burdwan University. 2. Convener, 2nd National work shop on Laser and Nano Materials, January 25-27, (2006), Dept. of

Santosh Kumar Pal, The University of Burdwan, Philosophy Department, Faculty Member. Santosh Kumar Pal Professor of Philosophy The University of Burdwan Burdwan--713104 W.B. India ... (200–500 nm) prepared by wet/surfactant-assisted ball milling were heat-treated at different temperatures under high vacuum, and structural and magnetic

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Nanocrystalline Mg-Zn ferrite phases obtained by high-energy ball milling a stoichiometric (0.5:0.5:1) powder mixture of MgO, ZnO, and alpha-Fe2O3 at room temperature are subjected to

Jun 01, 2008 Among these the high-energy ball-milling process has many potential advantages. The main advantage is large quantities of samples can be produced in a very short time, and the process is relatively simple and inexpensive. In the present work, ball-milling process has been adapted to prepare nanocrystalline Fe 2 O 3 samples. The optical and

Jun 19, 2010 High energy ball milling of powder mixture was conducted at room temperature in a planetary ball mill (Model P5, M/S Fritsch, GmbH, Germany). The milling was interrupted after selected time intervals and powder was collected from the vial. The powder mixture was milled for different durations varying from 15 min to 10 h

CdS quantum dots (QDs) with a mixture of both cubic (Zinc-blende) and hexagonal (Wurtzite) phases have been prepared within 50 min by mechanical alloying the stoichiometric mixture of Cd and S powders at room temperature in a planetary ball mill

Jun 24, 2009 Mechanical alloying (MA) is now being used as a solid-state synthesis route to prepare nanocrystalline alloy/compound powders by milling the elemental powders in a suitable ball mill , , , , . Extreme local pressures and temperatures generated for a short duration during repeated ball-powder-ball collisions lead to the materials transfer by diffusion and eventually