Quick Jump

Jpn. J. Appl. Phys. 46 (2007) pp. 333-335  |Previous Article| |Next Article|  |Table of Contents|
|Full Text PDF (106K)| |Buy This Article|

Brief Communication

Effect of Sunlight on Liquid Structure of Water

Shigezo Shimokawa^1,2, Tetsuro Yokono², Makio Yokono³, Toshio Yokokawa^2,4, and Tsunehisa Araiso¹

¹Center for Advanced Science and Technology, SOUSEI, Hokkaido University, Kita-21, Nishi-11, Kita-ku, Sapporo 001-0021, Japan
²Techno-Science Laboratory, Rm305, CAST, SOUSEI, Hokkaido University, Kita-21, Nishi-11, Kita-ku, Sapporo 001-0021, Japan
³Institute of Low Temperature Science, Hokkaido University, Kita-19, Nishi-8, Kita-ku, Sapporo 060-0819, Japan
⁴Faculty of Science, Hokkaido University, Kita-10, Nishi-8, Kita-ku, Sapporo 060-8628, Japan

(Received August 7, 2006; accepted September 22, 2006; published online January 10, 2007)

As an extension of an X-ray diffraction study of infrared (IR) effects on liquid water, the water was exposed to sunlight. A peak at s'=sin θ/λ=1.6 nm^-1, which is a characteristic of liquid water, showed a similar change as in a previous study. In addition to this, exposure for 30 min to 1 h gave rise to a definite solidlike peak of X-ray diffraction at s'=0.7 nm^-1. The radial distribution function analyses along with the solidlike peak lead us to conclude that a clathrate-like ordering was induced with sunlight.

KEYWORDS: liquid water, sunlight, X-ray diffraction, IR, clathrate
URL: http://jjap.ipap.jp/link?JJAP/46/333/
DOI: 10.1143/JJAP.46.333

|Full Text PDF (106K)| |Buy This Article| Citation: Plain Text BiBTeX EndNote(RIS) RSS

---

References | Citing Article (1)

1. S. Shimokawa, T. Yokono, T. Mizuno, H. Tamura, T. Erata, and T. Araiso: Jpn. J. Appl. Phys. 43 (2004) L545[IPAP].
2. A. H. Narten and H. A. Levy: in Water Comprehensive Treatise, ed. F. Franks (Plenum Press, New York, 1972) Vol. 1, Physics and Physical Chemistry of Water, Chap. 8, pp. 311–332.
3. T. Yokono, S. Shimokawa, T. Mizuno, M. Yokono, and T. Yokokawa: Jpn. J. Appl. Phys. 43 (2004) L1436[IPAP].
4. S. Takeya, Y. Yamada, T. Uchida, J. Nagao, T. Ebinuma, H. Narita, A. Hori, and T. Hondoh: Can. J. Phys. 81 (2003) 479.
5. A. Bizid, L. Bosio, A. Defrain, and M. Oumezzine: J. Chem. Phys. 87 (1987) 2225[AIP Scitation].
6. M. Faraday: Q. J. Liter. Sci. Art. 15 (1823) 71.

---