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Pushpendra Kumar
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Pushpendra Kumar's Discussions

In search of PostDoc Position in Materials Science (Nanotechnology)

Started this discussion. Last reply by David Garikai Chivenga Mar 3, 2011. 2 Replies

I am searching a post doc position in Materials Science (Nanotechnology). I have completed Ph.D. in Materials Science (Nanotechnology) from Dept of Physics, Banaras Hindu University on the topic…Continue

Tags: Materials, Science, (Nanotechnology), in, Position

 

Pushpendra Kumar's Page

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TINC liked Pushpendra Kumar's blog post Investigations on structural, optical and second harmonic generation in solvothermally synthesized pure and Cr-doped ZnO nanoparticles
Dec 26, 2011

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Pushpendra Kumar commented on Pushpendra Kumar's blog post Investigations on structural, optical and second harmonic generation in solvothermally synthesized pure and Cr-doped ZnO nanoparticles
"Thank you Dr. Kareem   Thank you very much.   Pushpendra"
Dec 26, 2011

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Pushpendra Kumar posted blog posts
Dec 25, 2011

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Pushpendra Kumar and senthil kumar are now friends
Sep 23, 2011

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Fujun Liu commented on Pushpendra Kumar's blog post I got postdoctoral fellowship.....due to Nanopaprika. Thanx Nanopaprika.............
"congratulations"
Sep 16, 2011

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Pushpendra Kumar and KAVIYARASU are now friends
Sep 14, 2011

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KAVIYARASU left a comment for Pushpendra Kumar
"Hi Pushpendara Kumar,   Congratulation !  Best of luck, Do well. "
Sep 14, 2011

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Muhammad Umair Ali Sabir commented on Pushpendra Kumar's blog post I got postdoctoral fellowship.....due to Nanopaprika. Thanx Nanopaprika.............
"Congrats dear.."
Sep 13, 2011

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Gugulothu Dalapathi commented on Pushpendra Kumar's blog post I got postdoctoral fellowship.....due to Nanopaprika. Thanx Nanopaprika.............
"Congratulations"
Sep 13, 2011

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Dr. Vandna Luthra and Pushpendra Kumar are now friends
Sep 13, 2011

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sumanta kumar sahoo commented on Pushpendra Kumar's blog post I got postdoctoral fellowship.....due to Nanopaprika. Thanx Nanopaprika.............
"congratulation............"
Sep 13, 2011

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Pushpendra Kumar posted a status
"I am verymuch greatful to you all for your response."
Sep 13, 2011

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Pushpendra Kumar posted a status
"I am very much greatful to you all people including Kanan ji, Vijay Kumar ji, Ashok Ji, Weiping Wang, Prof. Robert, Dr. Vandana Ji, Cijy , E"
Sep 13, 2011

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Kannan Natarajan left a comment for Pushpendra Kumar
"Congratulation......"
Sep 13, 2011

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Vijayakumar commented on Pushpendra Kumar's blog post I got postdoctoral fellowship.....due to Nanopaprika. Thanx Nanopaprika.............
"congratz...................."
Sep 13, 2011

Profile Information

I am...
Chemist, Physicist, Doctor, Student
My research field or area of interest innanotechnology
Nanotechnology
Semiconductor Nanomaterials
Interest in...
Semiconductor Nanostructured
Researchgroup, Institute, University, School, Company name
Department of Physics, Faculty of Science, Banaras Hindu University, Varanasi, U.P. India
Researchgroup, Institute, Company, University, School webpage
http://www.bhu.ac.in
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Pushpendra Kumar's Blog

Investigations on structural, optical and second harmonic generation in solvothermally synthesized pure and Cr-doped ZnO nanoparticles

Posted on December 25, 2011 at 12:46am 2 Comments

 

ABSTRACT.......

 

At the forefront of the current scientific revolution of nanoscience nanocrystals (NCs), crystalline particles grown in liquid media, stand out over other classes of inorganic nanomaterials due to the high degree of control with which their crystal structure, size, shape, and surface functionalities can be engineered in the synthesis stage and to the versatility with which they can be processed and implemented into a large spectrum of devices and…

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Room temperature ferromagnetism in magic-sized Cr-doped CdS diluted magnetic semiconducting quantum dots

Posted on December 25, 2011 at 12:36am 0 Comments

 

ABSTRACT...

 

Manipulation of carrier spins in semiconductors for spintronics applications has received great attention driven by improved functionalities and higher speed operation. Doping of semiconductor nanocrystals by transition-metal ions pronounced as diluted magnetic semiconductors (DMS) has attracted tremendous attention. Such doping is, however, difficult to achieve in low-dimensional strongly quantum-confined nanostructures by conventional growth procedures.…

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Quantum Phase Transition from Superparamagnetic to Quantum Superparamagnetic State in Ultra Small CdSe: Cr2+ Quantum Dots by Pushpendra Kumar, Kedar Singh, JACS, DOI: 10.1021/ja2088426

Posted on December 25, 2011 at 12:33am 0 Comments

 

Despite a long history of success in the synthesis, the origin of magnetism in diluted magnetic semiconductors (DMSs) is yet a controversial issue. Doping, that is, intentional incorporation of impurities into a material, is the crucial means of alteration the electronic, optical and magnetic properties of semiconductors. Cr-based DMSs go halves with the other due to remarkable magnetic and magneto-optic properties, originating from the "sp-d" exchange interaction…

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|Quantum Phase Transition from Superparamagnetic to Quantum Superparamagnetic State in Ultra Small CdSe: Cr2+ Quantum Dots"

Posted on December 25, 2011 at 12:28am 0 Comments

Despite a long history of success in the synthesis, the origin of magnetism in diluted magnetic semiconductors (DMSs) is yet a controversial issue. Doping, that is, intentional incorporation of impurities into a material, is the crucial means of alteration the electronic, optical and magnetic properties of semiconductors. Cr-based DMSs go halves with the other due to remarkable magnetic and magneto-optic properties, originating from the "sp-d" exchange interaction flanked by the band…

Continue

Comment Wall (5 comments)

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At 9:31am on September 14, 2011,
Full member
KAVIYARASU
said…

Hi Pushpendara Kumar,

 

Congratulation ! 

Best of luck, Do well. 

At 6:13am on September 13, 2011,
Full member
Kannan Natarajan
said…
Congratulation......
At 5:21am on September 13, 2011,
Full member
Ashok Nawale
said…

Congratulations!!!

Best Luck for your feature research work.

At 11:44am on August 9, 2010,
Full member
Shivam Rastogi
said…
Hello Sir , Plz send me contact details n ur no. @ shivam.ece.juit@gmail.com need to talk to you regarding Nano Science
At 10:04pm on June 14, 2010,
Full member
TINC
said…
 
 
 

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Polymeric Honeycombs Decorated by Nickel Nanoparticles

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Structure of the nonionic surfactant triethoxy monooctylether C8E3 adsorbed at the free water surface, as seen from surface tension measurements and Monte Carlo simulations

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