DOI: 10.1111/j.1151-2916.1973.tb12440.x. Synthesis, Characterization, and Consolidation of Si3N4 Obtained from Ammonolysis of SiCl4

Synthesis, Characterization, and Consolidation of Si3N4 Obtained from Ammonolysis of SiCl4

10.1111/j.1151-2916.1973.tb12440.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

Thermal decomposition of silicon diimide, Si(NH)2, in vacuum resulted in very‐high‐purity, fine‐particle‐size, amorphous Si3N4 powders. The amorphous powder was isothermally aged at 50° to 100° intervals from 1000° to 1500°C for phase identification. Examination of ir spectra and X‐ray diffraction patterns indicated a slow and gradual transition from an amorphous material to a crystalline α‐phase occurring at 1200°C for >4 h and/or 1300° to 1400°C for 2 h. As the temperature was increased to ≥1450°C for 2 h, the crystalline β‐phase was observed. Phase nucleation and crystallite morphology in this system were studied by electron microscopy and electron diffraction combined with TG as functions of temperature for the inorganic polymer starting materials. Powders prepared in this manner with 4 wt% Mg3N2 added as a sintering aid were hot‐pressed to high‐density fine‐grained bodies with uniform microstructures. The optimum hot‐pressing condition was 1650°C for 1 h. Silicon concentration steadily increased as the hot‐pressing temperature or time was increased. A method for chemical etching for high‐density fine‐grained Si3N4 is described. Electrical measurements between room temperature and ∼500°C indicated dielectric constant and tan δ values of 8.3±0.03 and 0.65±0.05×10−2, respectively.

Bibliography

MAZDIYASNI, K. S., & COOKE, C. M. (1973). Synthesis, Characterization, and Consolidation of Si3N4 Obtained from Ammonolysis of SiCl4. Journal of the American Ceramic Society, 56(12), 628â633. Portico.

Authors 2

K. S. MAZDIYASNI (first)
CHARLES M. COOKE (additional)

References 17 Referenced 134

10.1111/j.1151-2916.1972.tb13434.x
{'issue': '10', 'key': 'e_1_2_1_3_2', 'first-page': '305', 'article-title': 'Use of Ceramics in High Temperature Engineering', 'volume': '2', 'author': 'Godfrey D. J.', 'year': '1968', 'journal-title': 'Metals Mater.'} / Metals Mater. / Use of Ceramics in High Temperature Engineering by Godfrey D. J. (1968)
{'key': 'e_1_2_1_4_2', 'first-page': '353', 'article-title': 'Fabrication and Properties of Silicon Nitride Ceramics and Their Relevance to Aerospace Applications', 'volume': '22', 'author': 'Godfrey D. J.', 'year': '1969', 'journal-title': 'J. Brit. Interplanet. Soc.'} / J. Brit. Interplanet. Soc. / Fabrication and Properties of Silicon Nitride Ceramics and Their Relevance to Aerospace Applications by Godfrey D. J. (1969)
{'issue': '5', 'key': 'e_1_2_1_5_2', 'first-page': '612', 'article-title': 'New Refractory Uses for Silicon Nitride Reported', 'volume': '7', 'author': 'Collins J. F.', 'year': '1955', 'journal-title': 'J. Metals'} / J. Metals / New Refractory Uses for Silicon Nitride Reported by Collins J. F. (1955)
10.1149/1.2411310
{'issue': '12', 'key': 'e_1_2_1_7_2', 'first-page': '1736', 'article-title': 'Some Properties of Vapor Deposited Silicon Nitride Films Obtained by the Reactions of SiBr4 and NH3', 'volume': '116', 'author': 'Aboaf J. A.', 'year': '1969', 'journal-title': 'ibid.'} / ibid. / Some Properties of Vapor Deposited Silicon Nitride Films Obtained by the Reactions of SiBr4 and NH3 by Aboaf J. A. (1969)
{'issue': '10', 'key': 'e_1_2_1_8_2', 'first-page': '1092', 'article-title': 'Direct Nitridation of Silicon Substrates', 'volume': '115', 'author': 'Frieser R. G.', 'year': '1968', 'journal-title': 'ibid.'} / ibid. / Direct Nitridation of Silicon Substrates by Frieser R. G. (1968)
{'issue': '7', 'key': 'e_1_2_1_9_2', 'first-page': '717', 'article-title': 'Preparation and Properties of Amorphous Silicon Nitride Films', 'volume': '114', 'author': 'Chu T. L.', 'year': '1967', 'journal-title': 'ibid.'} / ibid. / Preparation and Properties of Amorphous Silicon Nitride Films by Chu T. L. (1967)
10.1063/1.1735180
10.1179/pom.1961.4.8.012
10.1002/zaac.19592980304
10.1111/j.1151-2916.1971.tb12283.x
{'key': 'e_1_2_1_14_2', 'first-page': '238', 'volume-title': 'Advances in Inorganic Chemistry and Radiochemistry', 'author': 'Wannagat U.', 'year': '1964'} / Advances in Inorganic Chemistry and Radiochemistry by Wannagat U. (1964)
10.1143/JPSJ.23.655
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{'key': 'e_1_2_1_17_2', 'volume-title': 'Massachusetts Institute of Technology', 'author': 'Westphal W. B.'} / Massachusetts Institute of Technology by Westphal W. B.
10.1116/1.1492515

Dates

Type	When
Created	19 years, 2 months ago (June 6, 2006, 10:23 p.m.)
Deposited	1 year, 9 months ago (Nov. 23, 2023, 1:46 a.m.)
Indexed	3 weeks, 6 days ago (July 28, 2025, 5:50 p.m.)
Issued	51 years, 8 months ago (Dec. 1, 1973)
Published	51 years, 8 months ago (Dec. 1, 1973)
Published Online	19 years, 2 months ago (June 2, 2006)
Published Print	51 years, 8 months ago (Dec. 1, 1973)

Funders 0

None

BibTeX

@article{MAZDIYASNI_1973, title={Synthesis, Characterization, and Consolidation of Si3N4 Obtained from Ammonolysis of SiCl4}, volume={56}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1973.tb12440.x}, DOI={10.1111/j.1151-2916.1973.tb12440.x}, number={12}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={MAZDIYASNI, K. S. and COOKE, CHARLES M.}, year={1973}, month=dec, pages={628–633} }

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