Approaches to superparamagnetic polycarbenes and polynitrenes

Hiizu Iwamura; Nobuo Nakamura; Noboru Koga; Shigeru Sasaki

doi:10.1080/10587259208047041

Approaches to superparamagnetic polycarbenes and polynitrenes

Hiizu Iwamura, Nobuo Nakamura, Noboru Koga, Shigeru Sasaki

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Poly(m-phenylenemethynyls) and other conjugated polymers to which photolabile diazo or azido groups are attached in every repeating unit have been synthesized. When photolyzed and studied in situ by means of a Faraday balance equipped with a light guide at cryogenic temperatures, the hexa- and nonacarbenes obtained by stepwise synthesis were found to be in S = 6 and 9 ground states, respectively. Attempts to synthesize real polymer samples capable of showing S = 10^2∼3 were made. These materials would serve as prototypes for organic opto-magnetic recording devices.

Original language	English
Pages (from-to)	207-212
Number of pages	6
Journal	Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Volume	218
Issue number	1
DOIs	https://doi.org/10.1080/10587259208047041
Publication status	Published - 1992 Jun 1
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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author = "Hiizu Iwamura and Nobuo Nakamura and Noboru Koga and Shigeru Sasaki",

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AU - Iwamura, Hiizu

AU - Nakamura, Nobuo

AU - Koga, Noboru

AU - Sasaki, Shigeru

PY - 1992/6/1

Y1 - 1992/6/1

N2 - Poly(m-phenylenemethynyls) and other conjugated polymers to which photolabile diazo or azido groups are attached in every repeating unit have been synthesized. When photolyzed and studied in situ by means of a Faraday balance equipped with a light guide at cryogenic temperatures, the hexa- and nonacarbenes obtained by stepwise synthesis were found to be in S = 6 and 9 ground states, respectively. Attempts to synthesize real polymer samples capable of showing S = 102∼3 were made. These materials would serve as prototypes for organic opto-magnetic recording devices.

AB - Poly(m-phenylenemethynyls) and other conjugated polymers to which photolabile diazo or azido groups are attached in every repeating unit have been synthesized. When photolyzed and studied in situ by means of a Faraday balance equipped with a light guide at cryogenic temperatures, the hexa- and nonacarbenes obtained by stepwise synthesis were found to be in S = 6 and 9 ground states, respectively. Attempts to synthesize real polymer samples capable of showing S = 102∼3 were made. These materials would serve as prototypes for organic opto-magnetic recording devices.

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Approaches to superparamagnetic polycarbenes and polynitrenes

Abstract

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