Dr. ROSHAN JOSE
Designation Assistant Professor
Years of Experience 11 months
Department Freshman
Email Id roshanj904@gmail.com
JNTUH Unique Id 1716-210814-110939
Areas of Specialization Physics
UG Degree BSc
PG Degree MSc
Ph.D PhD
Joining Date 01/08/2021
Nature of Association Regular

Dr. ROSHAN JOSE

Papers Published

Publications:

1. Roshan Jose, P Vineetha, Muhammad Asif Rafiq and K Venkata Saravanan, “Investigation
into defect chemistry and relaxation processes in niobium doped and undoped SrBi4Ti4O15 using impedance spectroscopy.,” RSC advances, vol. 8, no. 60, pp. 34437–34448, Royal Society of Chemistry, DOI: 10.1039/c8ra06621c, 2018.

2. M Jeyakanthan, Uma Subramanian, RB Tangsali, Roshan Jose and K Venkata Saravanan “Relaxor like colossal dielectric constant in CoWO4 and CoWO4/PbWO4 nanocomposites,” Journal of Materials Science: Materials in Electronics, vol. 30, no. 15, pp. 14657–14668, Springer, 2019.

3. P Vineetha, Roshan Jose and K Venkata Saravanan, “Effect of ZnO on (ferroelectric) fatigue
retention and thermal stability of ferroelectric properties in lead free (K0.5Na0.5)(Nb0.7Ta0.3)O3 ceramics,” RSC advances, vol. 9, no. 60, pp. 34888–34895, Royal Society of Chemistry, DOI: 10.1039/c8ra06621c, 2019.

4. Roshan Jose,Vineetha P, Charan Prasanth S, Ammu Vijay and K Venkata Saravanan, “Effect of CuO modification on dielectric, ferroelectric and piezoelectric properties of lead-free SrBi4Ti4O15 ceramics,” Materials Research Express, vol. 7, no. 2020, pp. 016302, IOP Publishing, DOI:10.1039/c8ra06621c, 2019.

5. Ammu Vijay, Charan Prasanth S, Roshan Jose, Vineetha P and K Venkata Saravanan, “A Study on the Effects of La/Sm Codoping on the Structural and High Temperature Thermoelectric Properties of n-Type CaMnO3- δ Perovskite,” Crystal Research and Technology, pp. 2200041, Wiley Online Library, DOI: 10.1002/crat.202200041, 2022.

6. Vineetha P, Roshan Jose, Ammu Vijay, Charan Prasanth S and K Venkata Saravanan,
“Enhanced relaxor behavior and high energy storage efficiency in niobium substituted
(Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 ceramics,” Materials Research Express, vol. 9, no. 2022, pp. 066303, IOP Publishing, DOI: 10.1088/2053-1591/ac7637, 2022.

7. Charan Prasanth S, Ammu Vijay, Roshan Jose, K Venkata Saravanan, “Liquid Phase Sintering of Nb Doped SrTiO3–δ ceramics with enhanced Thermoelectric Figure of Merit,” Ceramics International,  vol. 49, Issue 11, Part B, pp. 19043-19053, Elsevier, DOI: 10.1016/j.ceramint.2023.03.031, 2023.

CONFERENCE PROCEEDINGS:

  1. Roshan Jose and K Venkata Saravanan, “Dielectric and AC conductivity studies on SrBi4Ti4O15,” AIP Conference Proceedings, vol. 1953, no. 1, pp. 040029, AIP Publishing, DOI:10.1063/1.5032649, 2018.
  2. Roshan Jose, Charan Prasanth S., Ammu Vijay, and K Venkata Saravanan, “An investigation of thermoelectric power factor of SrBi4Ti4O15 and CuO mixed SrBi4Ti4O15,” AIP Conference Proceedings, vol. 2142, no. 1, pp. 030005, AIP Publishing, DOI: 10.1039/c8ra06621c, 2019.
  3. Ammu Vijay, R. Suhashini, Roshan Jose, S. Charan Prasanth, and K. Venkata Saravanan,
    “Thermoelectric behavior of Samarium doped CaMnO3 perovskite,” AIP Conference
    Proceedings, vol. 2220, no. 1, pp. 080029, AIP Publishing, DOI: 10.1063/5.0003221,
    2020.
  4. S. Charan Prasanth, Roshan Jose, Ammu Vijay, Vineetha P and K Venkata Saravanan, “An
    investigation of thermoelectric power factor of Mn and Nb doped SrTiO3 ceramics,” Materials Today: Proceedings, Elsevier, DOI: 10.1016/j.matpr.2020.12.178, 2021.
  5. S. Charan Prasanth, Roshan Jose, Ammu Vijay, Vineetha P and K Venkata Saravanan,
    “Tuning thermoelectric properties of Nb and Ta co-doped SrTiO3 ceramics,” Materials Today: Proceedings, Elsevier, DOI: 10.1016/j.matpr.2022.04.908, 2022.
  6. Ammu Vijay, Roshan Jose, S. Charan Prasanth, Vineetha P and K Venkata Saravanan,
    “Effect of Lanthanum doping on the thermoelectric power factor of CaMnO3,” Materials Today: Proceedings, Elsevier, DOI: 10.1016/j.matpr.2022.04.794, 2022.

Subjects Taught

APPLIED PHYSICS

Books Published

Nil

Brochure