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KwanLee,HoonSangChoi,Jong-HanLee,YuMinJang,In-HoonChoi 한국물리학회 2002 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.40 No.4
It has been found that the crystallinity of the ferroelectric phase for SrBi2Ta2O9 (SBT) thin lms prepared by metalorganic decomposition (MOD) depends on the partial oxygen pressure during rapid thermal annealing (RTA). Under a partial oxygen pressure as high as 130 Torr, the crystallization temperature inducing the ferroelectric SBT phase could be lowered to 650 C. Those lms processed at 650 C presented satisfactory ferroelectric properties; that is, the memory window was 1.22.2 V at an applied voltage of 37 V. This memory window is superior to that of SBT annealed using the conventional MOD method. In comparison with the SBT thin lms prepared at 800 C in an O2 ambient by using furnace annealing, the SBT thin lms prepared at 650 C in a partial oxygen pressure by using the RTA process showed good crystallization and electrical properties.
Kwan Lee,Jung Hyun Choi 국제물리치료연구학회 2017 Journal of International Academy of Physical Ther Vol.8 No.3
The aim of the present study was to compare the effects of Rolfing and Swedish massage. In total, 105 patients with cervical myofascial pain syndrome were divided into two groups based on the intervention: a 40-min Rolfing session (n = 52) or a 40-min Swedish massage session (n = 53). Pre- and pos-tintervention visual analog scale (VAS) scores for pain, muscle tone (Myoton F), muscle elasticity (Myoton D), and muscle stiffness (Myoton S) were measured to compare treatment effects between the two groups. The results revealed a significant decrease in the VAS score for pain, Myoton F, and Myoton S (p < .05), with no change in Myoton D (p > .05), after the intervention in the Rolfing group. Similar findings were obtained for the Swedish massage group. Intergroup comparison of the degree of improvement after the intervention revealed no significant difference for any variable. The findings suggest that both group indicated a similar decrease in pain, muscle tension, and muscle stiffness after the intervention, with no significant improvement in muscle elasticity.