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Organic Radicals [Magnetic Materials]

 Ferromagnetic and ferrimagnetic properties of metal compounds are based on contributions of unpaired d- or f-electrons of transition or lanthanoid metals. On the other hand, magnetic properties of metal-free organic compounds are due to unpaired π-electrons. Normally, π-electrons are favorable to electrical conduction in material science, because they are movable by the π-conjugation effect, but they have received less attention for magnetic materials. However, diverse chemical modifications of an organic molecule have produced organic radical-based ferromagnets.1,2) It is known that the charge transfer complex obtained from fullerene with tetrakis(dimethylamino)ethylene (TDAE) becomes an organic magnet.3) In addition to using a π-conjugated organic radical, localized free radical species also provide organic magnets. 4-Nitrophenylnitronyl nitroxide (NPNN) was the first organic ferromagnet in a pure organic radical.4) Nogami et al. reported that 2,2,6,6-tetramethylpiperidine 1-oxyl (TEMPO) and its analogues became ferromagnets or antiferromagnets.5,6) Furthermore, 1,1-diphenyl-2-picrylhydrazyl (DPPH) is an antiferromagnet at extremely low temperature.
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전망:  plp.view.list
제품번호 T1560
CAS RN 2564-83-2
순도/분석 방법 >98.0%(GC)(T)

제품번호 C1782
CAS RN 38078-71-6
순도/분석 방법 >95.0%(T)

제품번호 C1406
CAS RN 2154-68-9
순도/분석 방법 >98.0%(T)(HPLC)

제품번호 I0486
CAS RN 36410-81-8
순도/분석 방법 >97.0%(GC)(T)

제품번호 O0266
CAS RN 2896-70-0
순도/분석 방법 >95.0%(GC)(T)

제품번호 G0020
CAS RN 2370-18-5
순도/분석 방법

제품번호 I0487
CAS RN 25713-24-0
순도/분석 방법 >98.0%(HPLC)

제품번호 H0865
CAS RN 2226-96-2
순도/분석 방법 >98.0%(GC)

제품번호 D2399
CAS RN 53034-38-1
순도/분석 방법 >97.0%(T)(HPLC)

제품번호:   T1560 | 순도/분석 방법   >98.0%(GC)(T)

제품번호:   C1406 | 순도/분석 방법   >98.0%(T)(HPLC)

제품번호:   O0266 | 순도/분석 방법   >95.0%(GC)(T)

제품번호:   G0020 | 순도/분석 방법  

제품번호:   D2399 | 순도/분석 방법   >97.0%(T)(HPLC)

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