EDUCATIONAL BACKGROUND

1997-2003         PhD (Materials Science and Engineering)           

Stanford University, California, USA      

1995-1997         MSc (Materials Science and Engineering)          

                        Stanford University, California, USA

1991-1995         BSc (Materials Science and Engineering)

                        Northwestern University, Illinois, USA

FIELDS OF SPECIALLIZATION

- Ceramic Processing and Defect Chemistry

- Crystal Growth

- X-ray Crystallography

- Thermoelectric Properties of Materials

 PUBLICATIONS (2016-present), Scopus Author ID : 13805917200

1. Boonsong, P., Wannasut, P., Buntham, S., Rachakom, A., Sriprachuabwong, C., Tuantranont, A. & Watcharapasorn, A. 2018, "Electrical and thermal transport properties of dysprosium barium copper oxide ceramic", Chiang Mai Journal of Science, vol. 45, no. 7, pp. 2809-2816.

2. Boonsong, P., Wannasut, P., Rachakom, A. & Watcharapasorn, A. 2018, "Quantitative phase analysis and crystal structure of DyBCO ceramics prepared at different sintering conditions", Chiang Mai Journal of Science, vol. 45, no. 4, pp. 1835-1842.

3. Boonsong, P., Wannasut, P. & Watcharapasorn, A. 2020, "Effect of calcination condition on phase formation characteristics of NdBa2Cu3Oy powder prepared by solid-state reaction", Chiang Mai Journal of Science, vol. 47, no. 4 Special Issue 2, pp. 654-664.

4. Buntham, S., Boonsong, P., Jaiban, P., Keawprak, N. & Watcharapasorn, A. 2018, "Effects of cobalt dopant on microstructure and electrical properties of Bi0.5Na0.5TiO3 ceramics", Chiang Mai Journal of Science, vol. 45, no. 6, pp. 2481-2490.

5. Jaiban, P., Buntham, S. & Watcharapasorn, A. 2017, "Dielectric properties of (1−x)Sr0.92La0.08TiO3-(x)CaMn0.98Nb0.02O3 ceramics under violet light irradiation", Materials Letters, vol. 193, pp. 133-137.

6. Jaiban, P., Lu, M.-., Eknapakul, T., Chaiyachad, S., Yao, S.H., Pisitpipathsin, N., Unruan, M., Siriroj, S., He, R.-., Mo, S.-., Watcharapasorn, A., Yimnirun, R., Tokura, Y., Shen, Z.-., Hwang, H.Y., Maensiri, S. & Meevasana, W. 2020, "Spectral weight reduction of two-dimensional electron gases at oxide surfaces across the ferroelectric transition", Scientific Reports, vol. 10, no. 1.

7. Jaiban, P., Pisitpipathsin, N., Buntham, S. & Watcharapasorn, A. 2017, "Dielectric and ferroelectric properties of Ta-doped Ba0.7Ca0.3TiO3 ceramics", Ceramics International, vol. 43, pp. S286-S291.

8. Jaiban, P., Pisitpipathsin, N., Wannasut, P. & Watcharapasorn, A. 2018, "Dielectric and ferroelectric properties of Nb-doped Ba0.7Ca0.3TiO3 ceramics", Ferroelectrics, vol. 533, no. 1, pp. 165-172.

9. Jaiban, P., Tongtham, M., Wannasut, P., Pisitpipathsin, N., Namsar, O., Chanlek, N., Pojprapai, S., Yimnirun, R., Guo, R., Bhalla, A.S. & Watcharapasorn, A. 2019, "Phase characteristics, microstructure, and electrical properties of (1-x)BaZr0.2Ti0.8O3-(x)(Ba0.7Ca0.3)0.985La0.01TiO3 ceramics", Ceramics International, vol. 45, no. 14, pp. 17502-17511.

10. Jaiban, P., Tongtham, M., Wannasut, P. & Watcharapasorn, A. 2019, "Dielectric response on ultraviolet light irradiation of Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 based ceramics", Materials Letters, vol. 243, pp. 169-172.

11. Jaiban, P., Wannasut, P., Kantha, P., Promsawat, M. & Watcharapasorn, A. 2020, "Effects of mg and la co-doping on dielectric, ferroelectric, and piezoelectric properties of barium calcium zirconate titanate ceramics", Chiang Mai Journal of Science, vol. 47, no. 4 Special Issue 2, pp. 633-641.

12. Jaiban, P., Wannasut, P. & Watcharapasorn, A. 2020, "Visible and ultraviolet light absorption of cuo-doped fe alloy coatings prepared by hvof thermal spray technique", Chiang Mai Journal of Science, vol. 47, no. 3, pp. 580-587.

13. Jaiban, P., Wannasut, P., Yimnirun, R. & Watcharapasorn, A. 2019, "Influences of acceptor dopants (Cu, Mg, Fe) on electrical and optical properties of Ba0.7Ca0.3TiO3 ceramics", Materials Research Bulletin, vol. 118.

14. Jaiban, P. & Watcharapasorn, A. 2017, "Effects of Mg doping on electrical properties of Ba0.7Ca0.3TiO3 ceramics", Materials Today Communications, vol. 11, pp. 184-190.

15. Jaiban, P., Watcharapasorn, A., Yimnirun, R., Guo, R. & Bhalla, A.S. 2018, "Dielectric, ferroelectric and piezoelectric properties of (Ba0.7Ca0.3)Ti1-xCuxO3-x ceramics", Journal of Alloys and Compounds, vol. 759, pp. 120-127.

16. Jaiban, P., Watcharapasorn, A., Yimnirun, R., Guo, R. & Bhalla, A.S. 2017, "Effects of donor and acceptor doping on dielectric and ferroelectric properties of Ba0.7Ca0.3TiO3lead-free ceramics", Journal of Alloys and Compounds, vol. 695, pp. 1329-1335.

17. Jaimeewong, P., Boonsong, P., Ngernchuklin, P., Tipakontitikul, R., Niyompan, A., Promsawat, M. & Watcharapasorn, A. 2017, "Enhanced sinterability and electrical properties of Bi2O3-added Ba0.85Ca0.15Zr0.1Ti0.9O3 ceramics", Ferroelectrics, vol. 511, no. 1, pp. 88-93.

18. Jaimeewong, P., Liu, Z., Wang, X., Jiansirisomboon, S., Ye, Z.-. & Watcharapasorn, A. 2017, "Microstructural design and properties of PMNT crystal-embedded barium calcium zirconate titanate ceramics", Ceramics International, vol. 43, pp. S193-S197.

19. Jaimeewong, P., Promsawat, M., Jiansirisomboon, S. & Watcharapasorn, A. 2016, "Influence of pH values on the surface and properties of BCZT nanopowders synthesized via sol-gel auto-combustion method", Surface and Coatings Technology, vol. 306, pp. 16-20.

20. Jaimeewong, P., Promsawat, M., Watcharapasorn, A. & Jiansirisomboon, S. 2016, "Comparative study of properties of BCZT ceramics prepared from conventional and sol-gel auto combustion powders", Integrated Ferroelectrics, vol. 175, no. 1, pp. 25-32.

21. Jaimeewong, P., Sittinon, S., Buntham, S., Bomlai, P., Namsar, O., Pojprapai, S. & Watcharapasorn, A. 2018, "Ferroelectric, Piezoelectric and Dielectric Behaviors of CoO- and Fe2O3-Doped BCZT Ceramics", Physica Status Solidi (A) Applications and Materials Science, vol. 215, no. 20.

22. Jaita, P., Watcharapasorn, A., Kumar, N., Jiansirisomboon, S. & Cann, D.P. 2016, "Lead-Free (Ba0.70Sr0.30)TiO3-Modified Bi0.5(Na0.80K0.20)0.5TiO3 Ceramics with Large Electric Field-Induced Strains", Journal of the American Ceramic Society, vol. 99, no. 5, pp. 1615-1624.

23. Khamman, O., Jainumpone, J., Watcharapasorn, A. & Ananta, S. 2016, "Fabrication, phase formation and microstructure of Ni4Nb2O9 ceramics fabricated by using the two-stage sintering technique", Journal of the Korean Physical Society, vol. 69, no. 3, pp. 365-369.

24. Naksata, M., Watcharapasorn, A., Hongsibsong, S. & Sapbamrer, R. 2020, "Development of personal protective clothing for reducing exposure to insecticides in pesticide applicators", International Journal of Environmental Research and Public Health, vol. 17, no. 9.

25. Namsar, O., Watcharapasorn, A., Hoffman, M., Glaum, J. & Jiansirisomboon, S. 2016, "Dielectric properties, electric-field-induced polarization and strain behavior of Lead Zirconate Titanate-Strontium bismuth Niobate ceramics", Journal of Electroceramics, vol. 36, no. 1-4, pp. 70-75.

26. Prayoonphokkharat, P., Amonpattaratkit, P. & Watcharapasorn, A. 2020, "Crystal structure and XANES study of Sn-substituted YBa2Cu3O7-y powder prepared by solid-state synthesis method", Applied Physics A: Materials Science and Processing, vol. 126, no. 2.

27. Prayoonphokkharat, P., Amonpattaratkit, P. & Watcharapasorn, A. 2019, "Correction to: Crystal Structure and XANES Study of Defect Perovskite (Y1−xPrx)1+δBa2−δCu3O7−y Compounds Prepared by Solid State Synthesis Method (Electronic Materials Letters, (2019), 15, 3, (377-382), 10.1007/s13391-019-00120-3)", Electronic Materials Letters, vol. 15, no. 6, pp. 769.

28. Prayoonphokkharat, P., Amonpattaratkit, P. & Watcharapasorn, A. 2019, "Crystal Structure and XANES Study of Defect Perovskite (Y1−xPrx)1+δBa2−δCu3O7−y Compounds Prepared by Solid State Synthesis Method", Electronic Materials Letters, vol. 15, no. 3, pp. 377-382.

29. Prayoonphokkharat, P., Wannasut, P., Sriprachuabwong, C., Tuantranont, A. & Watcharapasorn, A. 2019, "Effect of milling techniques on the particle characteristics of conductive Pr-substituted YBa2Cu3O7-y compound", Journal of Physics: Conference Series.

30. Prayoonphokkharat, P. & Watcharapasorn, A. 2017, "Transport properties and thermoelectric figure of merit of YBa2Cu3O7-x-Bi0.5Na0.5TiO3 ceramics", Science of Advanced Materials, vol. 9, no. 10, pp. 1872-1875.

31. Promsawat, M., Ye, Z.-. & Watcharapasorn, A. 2017, "Enhancement of piezoelectric properties of Pb(Mg1/3Nb2/3)0.65Ti0.35O3 ceramics by ZnO modification", Materials Letters, vol. 205, pp. 126-129.

32. Wannasut, P., Boonsong, P., Prayoonphokkharat, P., Keawprak, N. & Watcharapasorn, A. 2018, "Effects of sintering temperature on physical properties, phase, microstructure and oxygen stoichiometry of NayCoO2 ceramics", Chiang Mai Journal of Science, vol. 45, no. 5, pp. 2015-2020.

33. Wannasut, P., Jaiban, P., Keawprak, N. & Watcharapasorn, A. 2019, "Thermoelectric Properties of YBa 2 Cu 3 O 7−x -Ca 3 Co 4 O 9 Segmented Oxide Ceramic", Journal of Electronic Materials, .

34. Wannasut, P., Jaita, P., Jiansirisomboon, S. & Watcharapasorn, A. 2017, "Piezoelectric and ferroelectric properties of lead-free Bi0.5(Na0.80K0.20)0.5TiO3-(Ba0.98Nd0.20)TiO3 binary system", Integrated Ferroelectrics, vol. 177, no. 1, pp. 10-16.

35. Wannasut, P., Jaita, P., Watcharapasorn, A. & Jiansirisomboon, S. 2016, "Electrical properties of ternary system Bi0.5(Na0.80K0.20)0.5TiO3-0.005LiNbO3-BaTiO3 lead-free piezoelectric ceramics", Integrated Ferroelectrics, vol. 175, no. 1, pp. 1-8.

36. Wannasut, P., Keawprak, N., Jaiban, P. & Watcharapasorn, A. 2018, "Preparation and Physical Properties of Segmented Thermoelectric YBa2Cu3O7-x-Ca3Co4O9 Ceramics", IOP Conference Series: Materials Science and Engineering.

37. Wannasut, P., Keawprak, N. & Watcharapasorn, A. 2018, "Preparation of bilayer YBa2Cu3O7-x -NayCoO2 thermoelectric ceramic by solid-state sintering method", Chiang Mai Journal of Science, vol. 45, no. 3, pp. 1543-1548.

38. Wannasut, P., Pisitpipathsin, N., Watcharapasorn, A. & Jaiban, P. 2018, "Dielectric, Ferroelectric and Piezoelectric Properties of (Ba 0.7 Ca 0.3 ) 1-x/2 Ti 1-x FexO 3-x Ceramics", Chiang Mai Journal of Science, vol. 45, no. 7, pp. 2817-2825.

39. Wannasut, P., Prayoonphokkharat, P., Jaiban, P., Keawprak, N. & Watcharapasorn, A. 2019, "Thermoelectric properties of YBa2Cu3O7−x-NayCoO2 segmented oxide ceramics", Materials Letters, vol. 236, pp. 378-382.

40. Wannasut, P., Prayoonphokkharat, P., Keawprak, N., Jaiban, P. & Watcharapasorn, A. 2018, Effects of sintering temperature on phase, physical properties and microstructure of ca3co4 o9 ceramic.

41. Yimnirun, R., Kaewkhao, J., Watcharapasorn, A., Pecharapa, W. & Tuantranont, A. 2019, "Guest Editorial", Integrated Ferroelectrics, vol. 195, no. 1, pp. v.

 RESEARCH GRANTS  

Research Topic             Crystal Structure Analysis of Bismuth Sodium Titanate Based Compounds using

 Rietveld Method

Sources of Funding      Office of the Higher Education Commission and Thailand Research Fund

Time Duration                3 Years (May 2009 - April 2012)

Budget                            1,200,000 baht

Status of Participation  Principal Investigator

Research Topic            Thermoelectric Properties Study of Bismuth Sodium Titanate – Based Compounds

Sources of Funding   National Metals and Materials Technology Center (MTEC), National Science and   Technology Development Agency (NSTDA)

Time Duration               2 Years (May 2010 - April 2012)

Budget                           990,000 baht

Status of Participation Principal Investigator

Research Topic            Piezoelectric Nanocomposite Ceramics for Ultrasonic Applications

Sources of Funding  National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) through Network for the Excellence in Functional Nanomaterials, CMU,

Time Duration               4 Years (September 2006 – August 2010)

Budget                          1,000,000 baht

Status of Participation Principal Investigator

Research Topic            Development of High Strength Nanocomposite Polymer Fibers

Sources of Funding  National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) through Network for the Excellence in Functional Nanomaterials, CMU,

Time Duration               4 Years (September 2006 – August 2010)

Budget                           1,000,000 baht

Status of Participation  Co-principal Investigator

Research Topic           Development of Ferroelectric Ceramics Fabrication Process Utilizing Transition and Rare-Earth Metal Oxide Compounds

Sources of Funding     Office of the Higher Education Commission and Thailand Research Fund

Time Duration               2 Years (June 2007 - August 2009)

Budget                           480,000 baht

Status of Participation  Principal Investigator    

Research Topic            Improvement of the Chromium Oxalate Complex Plating Solution

Sources of Funding     C. Uyemura & Co., Ltd

Time Duration              1 Year (July 2008 - June 2009)

Budget                          650,000 baht

Status of Participation  Co-Principal Investigator

Research Topic            Improvement of the Trivalent Chromium Plating Solution

Sources of Funding     C. Uyemura & Co., Ltd

Time Duration              1 Year (July 2007 - June 2008)

Budget                          650,000 baht

Status of Participation  Co-Principal Investigator

Research Topic           Effects of Cation Substitutions on the Properties of Ferroelectric Bismuth Sodium Titanate (BNT)-Based Ceramics

Sources of Funding     Office of the Higher Education Commission and Thailand Research Fund (TRF)

Time Duration               2 Years (June 2005 - May 2007)

Budget                           480,000 baht

Status of Participation  Principal Investigator

Research Topic            The Study of Doping Effects on Densification and Properties of Lead Free Ceramics

Sources of Funding     National Science and Technology Development Agency (NSTDA)

Time Duration               1 Years (April 2006 - March 2007)

Budget                           250,000 baht

Status of Participation  Principal Investigator

Research Topic           Effects of Dopant Addition on Optical and Electrical Properties of Lead Lanthanum Zirconate Titanate Ceramics

Sources of Funding     Faculty of Science, Chiang Mai University

Time Duration              1 Year (September 2006 - August 2007)

Budget                           60,000 baht

Status of Participation  Principal Investigator

Research Topic            The Study on Physical Properties of Cubic Hafnium Oxide SingleCrystal Fibers

Sources of Funding     Faculty of Science, Chiang Mai University

Time Duration              1 Year (September 2003 - August 2004)

Budget                          45,000 baht
Status of Participation  Principal Investigator   

 OVERSEAS LINKS

1.      Professor R.S. Feigelson, Advanced Materials Processing Laboratory, Department of Materials Science and Engineering, Stanford University, Stanford, USA

2.      Dr. Kosuke Nagashio, Department of Material Engineering, University of Tokyo, Tokyo, Japan

 INDUSTRIAL LINKAGES

1.     Ibule Photonics Inc., Korea