Time-resolved terahertz spectroscopy: polymorphic, solid state phase transitions in carbamazepine

被引：0

作者：

Zeitler, J. Axel ^{[1
,2
,3
,4
]}

Taday, Philip F. ^{[4
]}

Gordon, Keith C. ^{[5
]}

Pepper, Michael ^{[3
,4
]}

Rades, Thomas ^{[2
]}

机构：

[1] Univ Cambridge, Dept Chem Engn, Pembroke St, Cambridge CB2 3RA, England

[2] Univ Otago, Sch Pharm, Dunedin, New Zealand

[3] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[4] TeraView Ltd, Cambridge CB4 0WS, England

[5] Univ Otago, Dept Chem, Dunedin, New Zealand

来源：

2007 JOINT 32ND INTERNATIONAL CONFERENCE ON INFRARED AND MILLIMETER WAVES AND 15TH INTERNATIONAL CONFERENCE ON TERAHERTZ ELECTRONICS, VOLS 1 AND 2 | 2007年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The polymorphic modifications of carbamazepine show distinct spectral features in the far infrared between 2 and 130 cm(-1). Using time-resolved terahertz pulsed spectroscopy the enantiotropic solid state phase transition between two polymorphic forms was recorded. The terahertz spectra revealed that the solid state conversion follows a two step mechanism: form M sublimates and then condenses in a second step as form I. The sublimation and condensation steps follow different kinetics.

引用

页码：485 / +

页数：2

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