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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 1 (1982), S. 607-614 
    ISSN: 0392-6737
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Si riportano i risultati di misure accoppiate di capacità e di riflessione selettiva compiute su una miscela colesterica sottoposta ad un campo elettrico statico orientato parallelamente all'asse dell'elica. Si trova una ben definita sequenza dell'insorgere delle diverse deformazioni se lo spessore del campione è molto piú grande del passo dell'elica. Tre distinte soglie sono misurate per spessori compresi tra 6 μm e 100 μm.
    Abstract: Резюме Мы приводим результаты связанных измерений емкости и селективного оптического отражения, проведенных на холестеричной смеси, помещенной в статическое злектрическое поле, параллельно спиральной оси. Получается определенная иерархия для появления различных деформаций, если толщина образца много больше, чем винтовой шаг. ъыли обнаружены три резко выраженных порога для толщин образцов в диапазоне 6 μm≤d≤100 μm.
    Notes: Summary We report results of coupled capacitance and optical measurements made on a cholesteric mixture submitted to a d.c. electric field parallel to the helical axis. A definite hierarchy for the onset of different deformations is found if the sample thickness is much larger than the helical pitch. Three distinct thresholds are measured for sample thickness in the range 6 μm≤d≤100 μm.
    Type of Medium: Electronic Resource
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