Education

 

Ph.D.  Materials Science and Engineering, Rensselaer Polytechnic Institute (2003)

B.S.    Metallurgical Engineering, Inha University (Korea) (1999)

 

Professional Experience

 

08/05-Present     Assistant Professor                                                                                                            

                            Northeastern University, Boston, MA, USA                 

08/03-08/05         Post-Doctoral Research Associate                                                                                         

                            Rensselaer Polytechnic Institute, Troy, NY, USA

                            Research mentor: Prof. Pulickel M. Ajayan

05/02-11/02         Visiting Researcher

                            NTT Basic Research Laboratories, Atsugi, Japan

 

Research Interest

 

Controlled fabrication of carbon nanotubes and nanowires for multifunctional devices and systems

 

Selected Publications

 

1.  Y. J. Jung, B.Q. Wei, J. Nugent and P.M. Ajayan   

     “Controlling Growth of Carbon Microtrees

     Carbon, 39, 2195-2201 (2001)

2.  B. Q. Wei, R. Vajtai, Y. Jung, J. Ward, Y. Zhang, G. Ramanath and P. M. Ajayan,    

   Organized Assembly of Carbon Nanotubes

    Nature, 416, 495 (2002)

3.  A. Cao, B.Q. Wei, Y. Jung, R. Vajtai, P.M. Ajayan, and G. Ramanath,    

     “Growth of Aligned Carbon Nanotubes on Self-Similar Macroscopic Templates”

Applied Physics Letters, 81, 1297 (2002)

4.  Y. J. Jung, B. Wei, R. Vajtai, P. M. Ajayan, Y. Homma, K. Prabhakaran, and T. Ogino

      “Mechanism on Selective Growth of Carbon Nanotubes on SiO2/Si Patterns”

      Nano Letters, 3(4),  561-564 (2003)

5.  Y. J. Jung, Y. Homma, T.Ogino, Y. Kobayashi, D. Takagi, B. Wei, R. Vajtai, and P. M.

     Ajayan, 

      “High-density, Large Area Single-Walled Carbon Nanotube Networks on Nano-Scale  

       Patterned Substrates”

     The Journal of Physical Chemistry B, 107, 6859-6864 (2003)

6.  Y. J. Jung, Y. Homma, R. Vajtai,Y. Kobayashi, T.Ogino, and P. M. Ajayan

      “Modification of Suspended Single-Walled Carbon Nanotube Networks using Ga Ion

       Irradiation”

    Nano Letters, 4(6), 1109-1113 (2004)

7.  S. Lastella, Y. J. Jung, H. Yang, R. Vajtai, P. M. Ajayan, C. Ryu, D. Ridder, and I. Manners

      Density Control of Single Walled Carbon Nanotubes using Patterned Iron Nanoparticle   

       Catalysts derived from Phase Separated Thin Films of a Polyferrocene Block Copolymer 

   Journal of Materials Chemistry, 14(12), 1791 (2004)

8.  S. Biswas, Y.J. Jung, A. Vijayaraghavan, R. Vajtai, L. Schowalter, and P.M. Ajayan

      “Room Temperature Resonant Tunneling of Electrons in Carbon Nanotube Junction  

       Quantum Well”

   Applied Physics Letters, 86, 183101 (2005)

9.  G. Meng, Y.J. Jung, A. Cao, R. Vajtai, and P.M. Ajayan

      “Controlled Synthesis of Hierarchically Branched Carbon Nanotubes via Rationally Designed  

      Porous Templates”

      Proceeding of National Academy of Science, 12(20), 7074 (2005).

10. S. Li, A. Cao, Y.J. Jung, R. Vajtai, and P.M. Ajayan

Bottom-up Growth of Carbon Nanotube Multilayers

Nano Letters, 5 (10), 1997 (2005)

 

Selected Presentations                                                                              

                                        

1.  “Controlling the Aligned Growth of Carbon Nanotubes by Substrate Selection and Patterning”

    Y.J.  Jung, B. Q. Wei, R. Vajtai, J. Ward, R. Zhang, G. Ramanath and P. M. Ajayan,     

    MRS, Boston , 2001 Fall

2.  “Building Organized Structures Using Nanotubes”

  R. Vajtai, B.Q. Wei, Y. Jung, and P.M. Ajayan

 World space congress 2002, Houston, Texas, October 10-19 (Invited Talk)

3.  “Building Highly Organized Carbon Nanotube Networks”

     NTT Basic research laboratories, Atsugi, Japan, November 14, 2002 (Seminar

     Talk)

4. “Single-Walled Carbon Nanotube Architectures Formed on Patterned Silicon Substrates”

       Y. Homma, Y. Kobayashi, D. Takagi, T. Ogino, Y.J. Jung, P.M. Ajayan, P. Finnie

       NT 2003, Seoul, Korea (Activity Report-Invited talk)

5. “Building Micro- and Nano-scale architectures with carbon nanotubes”

Oak ridge national laboratories, Oak Ridge, TN, 2 March 2004 (Seminar Talk)

6. “Tunable Charge Transport Across Metal to Carbon Nanotube Junction”

       S. K. Biswas, Y.J. Jung, A. Vijayaraghavan, R. Vajtai, L.J. Schowalter, P.M. Ajayan

MRS, Sanfrancisco, 2004 Spring

7. “Carbon Nanotubes and Applications for Future”

     Nanotechnology and applications conference, SUNY Oneonta, 2004, October (Invited    

      Seminar)

8.  “Controlled Fabrication and Modification of Organized Carbon Nanotube Architectures”

Y.J. Jung, R. Vajtai, N. Chakrapani, G. Meng, and P.M. Ajayan, Y. Homma, Y. Kobayashi,

and T. Ogino, AVS, Anaheim, 2004, November

9. “Tailoring Organized Carbon Nanotube Architectures and their Modification” (Seminar Talk)

      Y.J. Jung, Samsung Advanced Institute of Technology, Yong-In, Korea December 2004

10. “Controlled Synthesis of Hierarchically Branched Carbon Nanotubes via Rationally Designed Porous Templates”

G. Meng, Y.J. Jung, A. Cao, R. Vajtai, and P.M. Ajayan, MRS, Sanfrancisco, 2004 Spring

 

PATENT

 

1. Directed assembly of highly-organized carbon nanotubes,

    P.M. Ajayan, G. Ramanath, Y.J. Jung, B.Q. Wei, and Z. Zhang

Docket # 60-356,069 (2002), USA.

2. Preparation of the multi-connected porous alumina templates,               

    G. Meng, Y.J. Jung, and P.M. Ajayan, In preparation

3. Making of hyper branched nanowires,

    G. Meng, Y.J. Jung, A. Cao, R. Vajtai, and P.M. Ajayan, In preparation