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Jobin Varghese

  • PHD
  • Visiting Researcher
  • University of Oulu
  • 8h-indexImpact measure calculated using publication and citation counts. Updated daily.
  • 199CitationsNumber of citations received by Jobin's publications. Updated daily.

Other IDs

Research interests

EMI Shielding Printed electronic devicesMagneto Dielectric MaterialsDielectric inkLTCC & ULTCC Ceramic Materials and Glassespackaging and HTCCMicrowave substrates

About

2010-2015 Doctor of Philosophy (Major Subject: Technology), Department of Electronics, Cochin University of Science and Technology, Cochin, Kerala, India., Work done at Council of Scientific and Industrial Research-National Institute for Interdisciplinary Science and Technology-, Thiruvananthapuram, Kerala, India. Thesis: Fabrication of Microwave Substrates and Formulation of Dielectric Inks for Microelectronic Applications 2008–2010 Master of Technology (Major Subject: Nanotechnology), Specialisation in Nanoelectronics, Department of Nanoscience and Technology, Vellore Institute of Technology, VIT University, Vellore, Tamil Nadu, India. Thesis: Synthesis and Characterization of Micro and Nano ASiO4 and LaLuO3 for Advanced Micro and Nanoelectronics Applications 2006–2008 Master of Science (Major Subject: Applied Electronics), Department of Electronics, CMS College of Science and Commerce, Bharathiar University, Coimbatore, Tamil Nadu, India. Thesis: Biometric Access Control and Attendance Management System 2003–2006 Bachelor of Science (Major Subject: Physics), Subsidiary Subject: Mathematics and Chemistry, Bishop Moore College, Mavelikara, University of Kerala, India. Other skills • X-ray diffraction (Rigaku Dmax-I), FTIR spectroscopy (Shimadzu Nicolet Impact 400X), Particle size analyzer (Malvern), Rheometer (Brookfield), Laser Raman Spectroscopy (Horiba Jobin-Yvon LabRAM HR800 UV-vis μ-Raman), XPS analysis (Thermo Fisher Scientific ESCALAB 250Xi XPS). • Network Analyzer (Agilent) 20 GHz, LCR meter (Hioki 3532-50 LCR HiTESTER), Impedance Analyzer, Split Post Dielectric Resonator 5, 10, 15, 22 GHz (QWED, Poland), X and Ku-Band Wave guide measurements, Cavity perturbation (S and X band), Resonant Cavity Method, Hakki Coleman Setup, Breakdown voltage measurements (Keithley 2400). • Atomic Force Microscope (Nano Surf Easy Scan 2, AFM), High-Resolution Optical Microscope (Olympus BX61-33MU), Transmission Electron Microscope (Sample preparations), Scanning Electron Microscopy (JEOL-JSM 5600 LV, Japan), Clean room experience. • Dilatometer (NETZSCH, DIL 402 PC), Thermal conductivity analyzer (Anter Corporation, FLASHLINE 2000), Thermo Mechanical Analyzer (SII, TMA/SS 7300). • Solid state ceramic route, Wet chemical synthesis methods (Sol-Gel, Citrate Gel, and Combustion), Milling Process, Screen printing, Tape Casting, Melt-Mixing, High and Low-temperature calcination and sintering, HRTEM Sample preparation. Position: Visiting Research Fellow (from October 2014) and also joined for a second doctoral degree in Dsc. Tech. (Technology, from 2015 onwards), Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, Finland. Source of Funding: Prof. Heli Jantunen’s Advanced ERC grant. Area of Research: Synthesis, characterization, and fabrication of ultra-low-temperature materials and devices for microwave applications. Previous work experience • Worked as a Senior Research Fellow in a CSIR-SRF fellowship during 2012-2014 (CSIR-NIIST, Thiruvananthapuram, Kerala, India). Job Description: Dielectric inks and substrates for microwave applications • Worked as a Project Assistant in a DRDO funded project during 2010 -2012 (NIIST-CSIR, Thiruvananthapuram, Kerala, India). Job Description: Dielectric materials for microwave applications Awards, prizes, and honors • Shortlisted candidate for CSIR-NIIST scientist position at 2016. • CSIR-SRF fellowship in 2012. • DRDO funded project fellowship 2010. Other academic merits • Visiting Research Fellow invited to ERC Advanced project (European Research Council Project) (2014-2017). • Senior Research Fellow, CSIR (Council of Scientific and Industrial Research) Research Funding, Govt. of India (2012-2015). • Student Volunteer for Nano India-2013, Trivandrum, Kerala, India. • Project Fellow, DRDO (Defence Research Organization, Govt. of India) Funded Project (2010-2012). • Student Volunteer for International Conference on Advanced Functional Materials-2009, Trivandrum, Kerala, India. • Patent filed (2) • ICDD File (1) • International Journal Publications (13) • International Conference Papers (7) • National Conference Papers (4) • Reviewer of Journal of European Ceramic Society, Journal of Electronic Materials, ACS sustainable chemistry, and Engineering, Ceramic International

Co-authors (35)

  • Jari Juuti
  • Tuomo Siponkoski
  • Merja Teirikangas
  • Huinan Liu
  • Mircea Chipara
  • Antonio Feteira

Publications (5)

  • Approach to Fabricate Rigid Substrate for 2.4 GHz Inverted-F Antenna Using a Room Temperature Curable Dielectric Ink on Photo and Nanopaper

    • Sowpati A
    • Nelo M
    • Varghese J
    • et al.
    N/AReaders
    0Citations
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  • CuMoO 4 ceramics with ultra-low sintering temperature through Ag 2 O addition for millimetre wave applications

    • Joseph N
    • Varghese J
    • Teirikangas M
    • et al.
    N/AReaders
    N/ACitations
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  • Graphite reinforced polyvinylidene fluoride composites an efficient and sustainable solution for electromagnetic pollution

    • Joseph N
    • Varghese J
    • Sebastian M
    N/AReaders
    6Citations
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  • Novel low-temperature sintering ceramic substrate based on indialite/cordierite glass ceramics

    • Varghese J
    • Vahera T
    • Ohsato H
    • et al.
    N/AReaders
    5Citations
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  • Glass-Free CuMoO<inf>4</inf>Ceramic with Excellent Dielectric and Thermal Properties for Ultralow Temperature Cofired Ceramic Applications

    • Joseph N
    • Varghese J
    • Siponkoski T
    • et al.
    N/AReaders
    22Citations
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Professional experience

Visiting Researcher

Oulun yliopisto

October 2014 - Present

Education

PHD

CSIR-National Institute for Interdisciplinary Science & Technology

June 2010 - June 2014(4 years)

Master of Technology (Major Subject: Nanotechnology)

VIT University

June 2008 - May 2010(2 years)

Master of Science (Major Subject: Applied Electronics)

Bharathiar University

June 2006 - May 2008(2 years)

Bachelor of Science (Major Subject: Physics)

University of Kerala

June 2003 - May 2006(3 years)