Pregled bibliografske jedinice broj: 829681
Fine tuning of π-stack separation distances of semiquinone radicals affects their magnetic and electric properties
Fine tuning of π-stack separation distances of semiquinone radicals affects their magnetic and electric properties // Crystal growth & design, 16 (2016), 9; 4777-4782 doi:10.1021/acs.cgd.6b00675 (međunarodna recenzija, članak, znanstveni)
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Naslov
Fine tuning of π-stack separation distances of semiquinone radicals affects their magnetic and electric properties
Autori
Molčanov, Krešimir ; Stilinović, Vladimir ; Šantić, Ana ; Maltar-Strmečki, Nadica ; Pajić, Damir ; Kojić-Prodić, Biserka
Izvornik
Crystal growth & design (1528-7483) 16
(2016), 9;
4777-4782
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
semiquinone ; crystal engineering ; spin coupling ; Peierls deformation ; semiconductivity
Sažetak
Two salts of tetrachloro- (chloranil, Cl4Q) and tetrabromosemiquinone (bromanil, Br4Q) radical anions with an organic cation N- methylpyridinium (N-MePy), displaying a variety of tunable electrical and magnetic properties, are characterized. These systems comprise π- stacks of equidistant semiquinone radical anions, without Peierls deformation and diamagnetic spin coupling. Both are stable up to 150 and 120°C in air, respectively, and are semiconductors with conductivities of 10-6 – 10-7 (Ohm cm)-1 in the single crystals. The room-temperature concomitant crystallization of two polymorphs with different magnetic properties (antiferromagnetic and Peierls- distorted diamagnetic) has been observed for Cl4Q∙N-MePy. The semiquinone radical organic salts represent a novel class of potential (multi)functional materials with tunable properties.
Izvorni jezik
Engleski
Znanstvena područja
Fizika, Kemija
POVEZANOST RADA
Projekti:
HRZZ-UIP-2014-09-8276 - Magnetoelektrični multiferoični sustavi (FerMaEl) (Pajić, Damir, HRZZ - 2014-09) ( CroRIS)
HRZZ-IP-2014-09-4079 - Novi metal-organsi sustavi s oksalatnim i kinoidnim ligandima s podešenim svojstvima pogodnim za primjenu (NMOSBOQLWTPSFP) (Molčanov, Krešimir, HRZZ - 2014-09) ( CroRIS)
IP-2013-11-1108 - Karakterizacija niskotemperaturne molekulske dinamike sustava s neuređenom rešetkom metodom ESR (DESiRe) (Ilakovac Kveder, Marina, HRZZ - 2013-11) ( CroRIS)
Ustanove:
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Zagreb
Profili:
Nadica Maltar Strmečki
(autor)
Biserka Kojić-Prodić
(autor)
Ana Šantić
(autor)
Krešimir Molčanov
(autor)
Damir Pajić
(autor)
Vladimir Stilinović
(autor)
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
Uključenost u ostale bibliografske baze podataka::
- CA Search (Chemical Abstracts)