Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Jonny H. Panggabean"'
Autor:
Juniastel Rajagukguk, Jonny H. Panggabean, C.S. Sarumaha, P. Kanjanaboos, N. Phuphathanaphong, S. Kothan, J. Kaewkhao, Mitra Djamal
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21114- (2023)
The motivation for this research is that the emission spectra using directly pumped laser diodes have not yet been found. We want to explore the luminescence properties of a co-doped laser material utilizing a diode laser as an optical pump. The rese
Externí odkaz:
https://doaj.org/article/510c8bf6f2594ce6a44fd45bdfba51ae
Autor:
Juniastel Rajagukguk, Jonny H. Panggabean, C.S. Sarumaha, P. Kidkhunthod, J. Kaewkhao, Mitra Djamal
Publikováno v:
Results in Materials, Vol 16, Iss , Pp 100332- (2022)
We report experimental investigations into the co-doping of Nd3+-Pr3+ ions in LFP glasses. The method used in this study is the melt quench technique. Several physical and structural properties were investigated in this work. The structural propertie
Externí odkaz:
https://doaj.org/article/3b2ca0cbf69644608155ba81c9ae4ced
Publikováno v:
Optical Materials. 125:112007
Autor:
Juniastel Rajagukguk, null Hariono, Jonny H Panggabean, Donna H Rajagukguk, Chayani Sarumaha, Jakrapong Kaewkhao
Publikováno v:
Journal of Physics: Conference Series. 2193:012056
Transparent fluorophosphate glass containing face center cubic LiF crystals doped with Nd3+/Er3+ were succesfully characterized by melt-quenching method. The sample composition following chemical formula (65-x)P2O5-20LiF-14CaF-1Nd2O3-xEr2O3 (x = 0.0;
Publikováno v:
INPAFI (Inovasi Pembelajaran Fisika); Vol 3, No 4 (2015): INPAFI
The purpose of this research is to know the effect of Cooperative Learning Model through GI type using animation media in increasing the physics learning outcome of student MAN 3 Medan in the material fluid dynamic class XI Academic Year 2014/2015, t
Publikováno v:
INPAFI (Inovasi Pembelajaran Fisika); Vol 3, No 1 (2015): INPAFI
This study aims to knowing the student learning out comes and knowing the student activity by using Cooperative Learning Model Type STAD and Conventional Learning Model in the subject matter Dynamic Electricity In Class X Semester II SMA Negeri 6 Med