DOI: 10.1111/j.1365-2818.1977.tb01142.x. Optical properties of graphite

10.1111/j.1365-2818.1977.tb01142.x

Crossref journal-article

Wiley

Journal of Microscopy (311)

Abstract

SUMMARYReflectances of natural surfaces of fresh graphite peels parallel to the (0001) plane have been measured throughout the visible spectrum using only slightly modified microphotometric equipment and measuring procedures. There is satisfactory agreement between the level and trends of reflectances of graphites from different metamorphic environments throughout the spectrum, the maximum relative difference in the most difficult conditions in the blue region being approximately 4%. There is less good agreement between the dispersion curves of derived refractive and absorptive indices for which the maximum relative difference is as high as 12% in the red region. At 546 nm, the wavelength at which optical data in organic petrology are principally reported, relative errors below 1% for all the optical parameters were attained between samples. Values of Rair = 31.40%, Roil = 17.85%, n = 2.49 and k = 0.61 compare well with other recent estimates and although there is still not complete agreement between laboratories, the true constants for graphite at this wavelength must lie close to these values. The use of semi‐graphites as metamorphic indicators in a scale with graphite as the end‐point is considered, as are the implications on such a scale of the current use of natural surfaces for reflectance measurement, because of an inability of many laboratories to produce specularly polished surfaces of semi‐graphites and graphites of high uniform quality.

Bibliography

Kwiecinska, B., Murchison, D. G., & Scott, E. (1977). Optical properties of graphite. Journal of Microscopy, 109(3), 289â302. Portico.

Authors 3

B. Kwiecinska (first)
D. G. Murchison (additional)
E. Scott (additional)

References 16 Referenced 42

Bomar E. S.&Eatherly W. P.(1973)Optical reflectivity of a graphite single crystal. Abstracts of 11th Biennial Conference on Carbon Gatlinburg Tennessee June 1973. (10.1016/0008-6223(73)90390-4)
10.1111/j.1365-2818.1977.tb01114.x
10.1088/0508-3443/8/9/308
{'key': 'e_1_2_1_5_1', 'first-page': '175', 'article-title': 'Chemisch‐physikalische und petrographische Untersuchungen an Kohlen, Koksen, und Graphiten', 'volume': '32', 'author': 'Dahme A.', 'year': '1951', 'journal-title': 'Brennst.-Chem.'} / Brennst.-Chem. / Chemisch‐physikalische und petrographische Untersuchungen an Kohlen, Koksen, und Graphiten by Dahme A. (1951)
{'key': 'e_1_2_1_6_1', 'first-page': '11', 'article-title': 'Change in physical properties of coalified and graphitized phytoclasts with grade of metamorphism', 'volume': '1', 'author': 'Diessel C. F. K.', 'year': '1975', 'journal-title': 'N. Jb. Miner. Mh.'} / N. Jb. Miner. Mh. / Change in physical properties of coalified and graphitized phytoclasts with grade of metamorphism by Diessel C. F. K. (1975)
Gilbert L. A.(1961)The determination of the absorption coefficient and refractive index of coal in bulk by a polarized light method. In: 4th Int. Conf. on Coal Science Paper G2 Le Touquet France.
{'key': 'e_1_2_1_8_1', 'first-page': '37', 'volume-title': 'Industrial Carbon and Graphite', 'author': 'Humphreys‐Owen S. P. F.', 'year': '1958'} / Industrial Carbon and Graphite by Humphreys‐Owen S. P. F. (1958)
{'key': 'e_1_2_1_9_1', 'first-page': '88', 'article-title': 'Chemical structure and properties of coal; (ii) reflectance', 'volume': '33', 'author': 'Huntjens F. J.', 'year': '1954', 'journal-title': 'Fuel, Lond.'} / Fuel, Lond. / Chemical structure and properties of coal; (ii) reflectance by Huntjens F. J. (1954)
{'key': 'e_1_2_1_10_1', 'first-page': '503', 'article-title': 'Apparatus for reflectivity measurement on reactive and radioactive materials', 'volume': '88', 'author': 'Jones J. M.', 'year': '1968', 'journal-title': 'J. Microsc.'} / J. Microsc. / Apparatus for reflectivity measurement on reactive and radioactive materials by Jones J. M. (1968)
10.1007/BF00373366
{'key': 'e_1_2_1_12_1', 'first-page': '272', 'article-title': 'Optical properties of graphite and coal', 'volume': '37', 'author': 'McCartney J. T.', 'year': '1958', 'journal-title': 'Fuel, Lond.'} / Fuel, Lond. / Optical properties of graphite and coal by McCartney J. T. (1958)
10.1364/JOSA.52.000197
{'key': 'e_1_2_1_14_1', 'first-page': '79', 'volume-title': 'Symposium on the Science and Technology of Coal', 'author': 'McCartney J. T.', 'year': '1967'} / Symposium on the Science and Technology of Coal by McCartney J. T. (1967)
{'key': 'e_1_2_1_15_1', 'first-page': '153', 'article-title': 'Studies of the reflectance of coal and some forms of carbon for vertically incident light', 'volume': '31', 'author': 'Mukherjee B. C.', 'year': '1952', 'journal-title': 'Fuel, Lond.'} / Fuel, Lond. / Studies of the reflectance of coal and some forms of carbon for vertically incident light by Mukherjee B. C. (1952)
10.1103/PhysRev.138.A197
{'key': 'e_1_2_1_17_1', 'first-page': '105', 'article-title': 'Metamorphic lineages of orogenic plutonism', 'volume': '44', 'author': 'Tex E.', 'year': '1965', 'journal-title': 'Geol, en Mijnbouw'} / Geol, en Mijnbouw / Metamorphic lineages of orogenic plutonism by Tex E. (1965)

Dates

Type	When
Created	14 years ago (Aug. 2, 2011, 1:25 p.m.)
Deposited	1 year, 9 months ago (Nov. 10, 2023, 2:57 p.m.)
Indexed	3 days, 2 hours ago (Aug. 19, 2025, 7:11 a.m.)
Issued	48 years, 4 months ago (April 1, 1977)
Published	48 years, 4 months ago (April 1, 1977)
Published Online	14 years ago (Aug. 2, 2011)
Published Print	48 years, 4 months ago (April 1, 1977)

Funders 0

None

BibTeX

@article{Kwiecinska_1977, title={Optical properties of graphite}, volume={109}, ISSN={1365-2818}, url={http://dx.doi.org/10.1111/j.1365-2818.1977.tb01142.x}, DOI={10.1111/j.1365-2818.1977.tb01142.x}, number={3}, journal={Journal of Microscopy}, publisher={Wiley}, author={Kwiecinska, B. and Murchison, D. G. and Scott, E.}, year={1977}, month=apr, pages={289–302} }

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