Nina Zehfroosh

E-mail:   n dot zehfroosh at tfl dot ir

Born:      March/21/1983

Education

 

M. Sc. (physics, Solid state)

University of Tehran, Tehran, Iran, September 2005 to January 2008.

Thesis: Fabrication and investigation of novel hallow-cathode structure in coplanar DC

plasma display cells.

Advisors: Prof. Mohajerzadeh & prof. Arzi

B. Sc. (Physics, Molecular & Atomic)

Tarbiat moallem University (www.tmu.ac.ir), Tehran, Iran, 2001 to 2005.

Research interests

 

• MEMS/NEMS & BioMEMS.                       

• Nanowire devices: physics and fabrication processes.     

• Optoelectronics: LEDs and Semiconductor LASERs (Modeling and Fabrication).                              

• Carbon Nanotube (CNT) Based Devices and Fabrication.                     

• Fabrication and modeling of novel hallow cathode structure in DC plasma display cells.

Current projects

• Study and Fabrication of new porous Poly-Si incorporated on IS-FET to enhance the sensitivity. (more...)

 

 

 

• Study and Fabrication of Sub-micrometer IS-FET and En-FET on Silicon (in collaboration with biology faculty). (more...)

 

 

 

 

 

 

 

 

 

• Study and Fabrication of Silicon nanowire transistor. (more...)

Thesis project

• Fabrication and modeling of novel hallow cathode structure in DC plasma display cells. (more...)

• Use of novel hallow cathode structure in flexible plasma display panel fabrication.

 

 

 

Research experienced

•    June 2006-to date Research assistant, Thin Film and Nanoelectronics Laboratory, Center of Excellence for Nanoelectronics in Iran, School of ECE, University of Tehran. 

•   Study and Fabrication of Sub-micrometer ISFET (Ion Sensitive Field Effect Transistors) as the pH-meter.     

•   Study and Fabrication of high sensitive ISFET pH meter based on nano-porous structure on silicon.

•   Study and Fabrication of Sub-micrometer En-FET with urea enzyme immobilized by physical adsorption, on Silicon for the detection of NH₄⁺ ions.                     

•   Study and fabrication of Silicon nanowire transistor.                     

•   Study and fabrication of Plasma Display Panel (PDP) on rigid and flexible substrate. 

•   Design and fabrication of Optical Mask Reduction Setup 

Summary of qualification

•   Extensive Experienced in the fabrication of field effect sensors like IS-FET and En-FET.

•   Extensive Experienced in the fabrication of ultra high sensitive IS-FET based on micro and nano-porous substrate.      

•   Extensive Experienced in the fabrication of Plasma Display Panel on rigid and flexible substrate (PDP).

•   Experienced in thin-film processes and semiconductor devices fabrication steps.                      

•   Experienced in the fabrication of 3D microstructure on Si substrate using hydrogen assisted high aspect ratio etching.                     

•   Familiarity with Micro Electro Mechanical Systems (MEMS).                          

•   Familiarity with some analysis methods like XRD, TEM and SEM… .

•   Familiarity with fabrication of vertical growth of multi-wall carbon nanotubes (CNTs).    

•   Familiarity with Silicon Crystallization methods, Nano-Crystalline Silicon LEDs.

Relevant graduate courses

• Advanced Solid State Physics                       

• Advanced Solid State Physics laboratory      

• Advanced crystallography                              

• Advanced Quantum Mechanics                      

• Advanced Statistical Mechanics                     

• Advanced Superconductivity                          

• Nanoelectronics and Nanotechnology (audited at ECE)                                     

• Optoelectronics (audited at ECE)

• Quantum optic (audited at ECE)

• Applied plasma (audited at  ECE)

Publications

Journals:

1.     N. Zehfroosh, M. Shahmohammdi and S. Mohajerzadeh “Ultra-High sensitive ISFET pH-meter based on Nano-Porous silicon structure”, submitted to Applied Physics Letters.

2.  M. Mehran, Z. Sanaee, N. Zehfroosh, M. Shahmohammdi, S. Mohajerzadeh “Nano-grass formation on silicon substrates using hydrogen assisted deep reactive ion etching”, submitted to Applied. Physics. Letters.

3.  N. Zehfroosh, S. Mohajerzade, E. Arzi “Investigation of high resistance direct current plasma using tunnel structure”, submitted to Vacuume.

Conferences:

1.  M. Shahmohammdi, N. Zehfroosh, S. Mohajerzadeh “Ultra-High sensitive ISFET pH-meters by Nano-Porous Silicon Structures as sensitive membrane”, accepted in NS2010, Iran.

2.  Rajabioun, T.   Niayesh, K.   Zand, K.   Zehforoosh, N.   Mohajerzadeh, S., “Plasma    behavior in a novel flexible plasma display panel (PDP) cell structure”, IEEE International Conference on Plasma science, June, 2008.

3.     N. Zehforoush, S. Mohajerzadeh, E. arzi “Investigation of novel hallow-cathode structure in coplanar plasma display cells", Presented at Iran Physic Conference 2007, Iran.

4.   Z. Sanaee, K. Zand, S. Mohajerzade, N. Zehforoush, S.Darbari, A.Akhavan “Realization of flexible lateral pixels on PET substrates for DC-PDP structures”, EURODISPLAY Conference, 2007, Moscow.

5.   Z. Sanaee, A. Goodarzi, S. Mohajerzade, A. Agah, N. Zehforoush, “Fabrication of flexible plasma display   panels on PET substrates”, Presented at ICEE 2007, Iran.

References

•  Prof. S. Mohajerzadeh                         mohajer@ut.ac.ir                  Professor                       

•  Prof. E. Arzi                                        arzi@khayam.ut.ac.ir            Professor

•  Prof. E. Asl-Soleimani                         soleimani@ut.ac.ir              Professor

     •  Prof. Y. Abdi                                      abdi@khayam.ut.ac.ir       Assistant Professor