On behalf of the Materials Research Society of Thailand (MRS), it gives me great pleasure to wish a very warm welcome to all participants to: The Forth Materials Research Society of Thailand International Conference (MRS-Thailand 2023). 
Our previous conferences (MRS-Thailand 2017, MRS-Thailand 2019, IUMRS-ICA 2020 and MRS-Thailand 2021,  were successfully organized. The conference were a common ground for scientists from all over the world to present new ideas, share experiences, gain insights in cutting-edge materials research and education, and stimulate the initiatives for collaboration.
The MRS-Thailand 2023 conference will cover all fields of materials sciences, engineering and applications in our next generation by the discussion of the most recent advances.

In addition to the scientific program, participants will also have the opportunity to enjoy the many charms of the city of Ubon Ratchathani which is rich in local culture and traditions Ubon Ratchathani province features plateaus and mountain ranges with the Mun River running through the middle. The region where Ubon Ratchathani borders both Cambodia and Laos has been coined “the Emerald Triangle” in recognition of its magnificent green landscapes. Adding to Ubon Ratchathani’s natural appeal, Phu Chong Nayoi and Pha Taem national parks are two of Isan’s most unspoiled and unvisited natural preserves. Ubon Ratchathani, the north-east's largest City, is also a wonderful place to witness the annual candle festival, a charming Buddhist celebration. While attending MRS-Thailand 2023, we hope to extend our hospitality to make you feel completely at home.

In closing, may I thank Materials Research Society of Thailand and Ubon Ratchathani University, and our co-organizers for their respective contributions. Thanks are also due to the various committees whose hard work and dedication over several months has brought us to this point and made this conference possible.  Last but not least, thanks to all participants, both from within Thailand and from overseas, for supporting this event by sharing your knowledge and experience. 
I wish you all a rewarding and enjoyable stay here in Ubon Ratchathani at this MRS-Thailand 2023 International Conference.

On behalf of Local Organizing Committee (LOC) and Ubon Ratchathani University, I would like to give my warmest welcome to all participants to the land of lotus, Ubon Ratchathani, THAILAND, for the Materials Research Society of Thailand International Conference (MRS-Thailand 2023) which will be held during February 28th-March 4th, 2023.

The MRS-Thailand International Conference series started since 2017 by The First Materials Research Society of Thailand International Conference (1st MRS Thailand International Conference) during October 31st -November 3rd, 2017 at Chiang Mai, Thailand. The conference was successfully achieved to strengthen academic society in Materials field along with the MRS-Thailand establishment. Due to the great success of 1st MRS Thailand International Conference, The 2nd Materials Research Society of Thailand International Conference (2nd MRS Thailand International Conference) was continuously held at Pattaya, THAILAND, during July 10th -12th, 2019 in order to expand international recognition. It was very well acknowledged. More than 400 participants around the world joined the conference and contributed their knowledge between researchers. Hence, International Union of Materials Research Societies (IUMRS) decided to hold the 21st International Union of Materials Research Societies-International Conference in Asia (IUMRS-ICA 2020) and the 3rd MRS Thailand International Conference (MRS-Thailand 2021)  in Chiang Mai, THAILAND, which hosted and organized by the MRS-Thailand during February 23rd-26th, 2021. Unfortunately, COVID-19 pandemic disrupted many things, therefore, the conference needed to immediately switch to on-line format conference. However, the great spirit of the materials field researchers led the conference successfully passed through those difficult time. Finally, after a long COVID-19 difficult years, it is my very great honor to announce that the 4th Materials Research Society of Thailand International Conference (MRS-Thailand 2023) will be held at Ubon Ratchathani, THAILAND on February 28th-March 4th, 2023.
MRS-Thailand 2023 aims to open a floor of opportunity for all participants to share their research covering in all field of materials science. It is very exciting to see many international participants to join us. Besides academic experiencing, the participants will be surely impressed by the local activities and culture. Ubon Ratchthani is well acknowledged as the land of lotus and the participants will be spelled by their beauty and charm. We hope the participants will gain the best experiences from this conference at the land of lotus, Ubon Ratchathani, THAILAND.