Methods and devices having means for writing storing and erasing which comprise an active medium containing at least one spin-transition parent compound
    1.
    发明授权
    Methods and devices having means for writing storing and erasing which comprise an active medium containing at least one spin-transition parent compound 有权
    具有用于写入存储和擦除的装置的方法和装置包括含有至少一种自旋转移母体化合物的活性介质

    公开(公告)号:US06255026B1

    公开(公告)日:2001-07-03

    申请号:US09464858

    申请日:1999-12-16

    IPC分类号: G03C556

    摘要: A chemical composition is provided for the manufacture of devices for storing and/or displaying information, comprising a network having a molecule which is formed from a metallic element Fe(II) which is bonded to a 1-2-4 triazole ligand (H-Trz), which molecule further comprises one or more than one anions A selected from BF4−, ClO4−, CO32−, Br−, Cl−, in accordance with the formulation: FeII(H-Trz)3A2, characterized in that this composition is used in the pure state in either one of the two crystalline phases (&agr;,&bgr;) at least one of which, referred to as the second phase (&bgr;), can be thermally induced on the basis of the other phase, referred to as the first phase (&agr;), at a temperature which is equal to or higher than a first reference temperature (To), which phases each show thermally inducible spin transitions between a low-spin state at a low first temperature (T&agr;1, T&bgr;1) and a high-spin state at a high second temperature (T&agr;2, T&bgr;2), the spin transitions which are associated with each phase being accompanied by a similar abrupt change in color of the compound and taking place in accordance with hysteresis cycles at different temperatures of the two phases, wherein the hysteresis cycle (T&agr;1, T&bgr;2) associated with the first phase (&agr;) occurs at a temperature which is higher than a second reference temperature (TR), and the hysteresis cycle (T&bgr;1, T&bgr;2) associated with the second phase (&agr;) occurs at a temperature below the second reference temperature (TR), the first reference temperature (To) being higher than the second reference temperature (TR) and the highest spin-transition temperature (T&agr;2).

    摘要翻译: 提供了用于制造用于存储和/或显示信息的装置的化学组成,包括具有分子的网络,所述分子由金属元素Fe(II)形成,所述金属元素Fe(II)与1-2-4三唑配体(H- Trz),该分子还根据配方进一步包含一种或多于一种选自BF 4 - ,ClO 4 - ,CO 32 - ,Br - ,Cl-的阴离子A.其特征在于该组合物以纯态使用 其中至少一个(称为第二相(β))的两个结晶相(α,β)中的一个可以基于被称为第一相(α)的另一相的热诱导 等于或高于第一参考温度(To)的温度,这些相各自显示在低的第一温度(Talpha1,Tbeta1)的低自旋状态和高自旋状态之间的高诱导自旋跃迁 第二温度(Talpha2,Tbeta2),相关联的自旋跃迁 每个相伴随着化合物的颜色类似的突然变化,并且根据两相不同温度下的滞后循环进行,其中与第一相(α)相关的滞后循环(Talpha1,Tbeta2)发生在 高于第二参考温度(TR)的温度和与第二相(α)相关联的滞后周期(Tbeta1,Tbeta2)在低于第二参考温度(TR)的温度下发生,第一参考温度(To )高于第二参考温度(TR)和最高自旋转变温度(Talpha2)。

    Spin-transition parent compounds and devices having means for writing,
storing and erasing, which comprise an active medium containing at
least one of said compounds
    2.
    发明授权
    Spin-transition parent compounds and devices having means for writing, storing and erasing, which comprise an active medium containing at least one of said compounds 失效
    具有转录母体化合物和具有书写,储存和消除方法的装置,其包含含有至少一种所述化合物的活性培养基

    公开(公告)号:US6043008A

    公开(公告)日:2000-03-28

    申请号:US383170

    申请日:1995-02-03

    摘要: A chemical composition is provided for the manufacture of devices for storing and/or displaying information, comprising a network having a molecule which is formed from a metallic element Fe.sub.(II) which is bonded to a 1-2-4 triazole ligand (H-Trz), which molecule further comprises one or more than one anions A selected from BF.sub.4.sup.-, ClO.sub.4.sup.-, CO.sub.3.sup.2-, Br.sup.-, Cl.sup.-, in accordance with the formulation:Fe.sub.II (H-Trz).sub.3 A.sub.2,characterized in that this composition is used in the pure state in either one of the two crystalline phases (.alpha., .beta.) at least one of which, referred to as the second phase (.beta.), can be thermally induced on the basis of the other phase, referred to as the first phase (.alpha.), at a temperature which is equal to or higher than a first reference temperature (To), which phases each show thermally inducible spin transitions between a low-spin state at a low first temperature (T.sub..alpha.1, T.sub..beta.1) and a high-spin state at a high second temperature (T.sub..alpha.2, T.sub..beta.2), the spin transitions which are associated with each phase being accompanied by a similar abrupt change in color of the compound and taking place in accordance with hysteresis cycles at different temperatures of the two phases, wherein the hysteresis cycle (T.sub..alpha.1, T.sub..alpha.2) associated with the first phase (.alpha.) occurs at a temperature which is higher than a second reference temperature (T.sub.R), and the hysteresis cycle (T.sub..beta.1, T.sub..beta.2) associated with the second phase (.beta.) occurs at a temperature below the second reference temperature (T.sub.R), the first reference temperature (To) being higher than the second reference temperature (T.sub.R) and the highest spin-transition temperature (T.sub..alpha.2).

    摘要翻译: 提供了用于制造用于存储和/或显示信息的装置的化学组成,包括具有分子的网络,所述分子由金属元素Fe(II)形成,所述金属元素Fe(II)与1-2-4三唑配体(H- Trz),该分子还根据以下配方进一步包含选自BF 4 - ,ClO 4 - ,CO 32 - ,Br - ,Cl - 的一种或多种阴离子A:FeII(H-Trz)3 A2,其特征在于该 组合物在两种结晶相(α,β)中的任一种中以纯态使用,其中至少其中一种(称为第二相(β))可以基于另一相被热诱导,称为 作为第一相(α),在等于或高于第一参考温度(To)的温度下,这些相各自显示在低的第一温度(Tα1,...)的低自旋状态之间的热诱导性自旋跃迁, Tβ1)和高第二温度(Tα2,Tβ2)的自旋状态 与每个相关联的转变伴随着化合物的颜色类似的突然变化,并且根据两相的不同温度下的滞后循环发生,其中相关的滞后循环(Tα1,Tα2) 第一相(α)发生在高于第二参考温度(TR)的温度下,与第二相(β)相关联的滞后循环(Tβ1,Tβ2)发生在低于第二相 参考温度(TR),第一参考温度(To)高于第二参考温度(TR)和最高自旋转变温度(Tα2)。

    Spin-transition parent compounds and devices having means for writing,
storing and erasing, which comprise an active medium including at least
one of said compounds
    3.
    发明授权
    Spin-transition parent compounds and devices having means for writing, storing and erasing, which comprise an active medium including at least one of said compounds 失效
    旋转转移母体化合物和具有书写,储存和消除方法的装置,其包含活性培养基,其包括至少一种所述化合物

    公开(公告)号:US5789054A

    公开(公告)日:1998-08-04

    申请号:US656153

    申请日:1996-05-31

    摘要: The invention relates to a spin-transition parent compound in powdered form, comprising a network having molecules which are each formed from a complex in which a metallic ion M having an electronic configuration in d5 or in d6 or in d7, is bonded to at least one aminotriazole ligand of the formula �L.sub.2 N-trz!, wherein L is an alkyl radical (C.sub.n H.sub.2n+1) and n is an integer which is equal to or greater than zero, each molecule also including a sulforganic anion comprising a sulfito radical (SO.sub.3.sup.-), and the network also including at least one water molecule (H.sub.2 O) per molecule of the metallic complex M, said water molecule(s) in the network only being bonded to the aminotriazole ligand by a hydrogen bond. In this compound, the anion may be, for example, a sulfito-aryl having a benzene radical or a sulfito-aryl derived from a benzene radical, or a sulfito-aryl having a saturated or unsaturated organic chain, an alkyl sulfito-halide or an aryl sulfito-halide.

    摘要翻译: 本发明涉及粉末形式的自旋转移母体化合物,其包含具有分子的网络,所述分子各自由复合物形成,其中d5或d6或d7中具有电子构型的金属离子M至少与 一种式[L2N-trz]的氨基三唑配体,其中L是烷基(C n H 2n + 1),n是等于或大于0的整数,每个分子还包括含有硫属基团的硫有机阴离子(SO 3 - ),并且网络还每分子的金属络合物M还包含至少一个水分子(H 2 O),所述网络中的所述水分子仅通过氢键键合到氨基三唑配体上。 在该化合物中,阴离子可以是例如具有苯基或衍生自苯基的磺基 - 芳基的磺基 - 芳基,或具有饱和或不饱和有机链的磺基 - 芳基,烷基硫代卤化物或 芳基硫卤化物。