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    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

    申请人： Olivier Kahn ,  Charlotte Jay ,  Jonas Krober ,  Renée Claude ,  Françoise Groliere

    发明人： Olivier Kahn ,  Charlotte Jay ,  Jonas Krober ,  Renée Claude ,  Françoise Groliere

    IPC分类号： G03C556

    CPC分类号： C07F15/025 ,  G02F1/0147 ,  G11B7/0055 ,  G11B7/246 ,  G11B7/249 ,  Y10S430/146 ,  Y10S430/165

    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

    申请人： Olivier Kahn ,  Charlotte Jay ,  Jonas Krober ,  Renee Claude ,  Fran.cedilla.oise Groliere

    发明人： Olivier Kahn ,  Charlotte Jay ,  Jonas Krober ,  Renee Claude ,  Fran.cedilla.oise Groliere

    IPC分类号： C07F15/02 ,  G02F1/01 ,  G11B7/0055 ,  G11B7/006 ,  G11B7/249

    CPC分类号： G02F1/0147 ,  C07F15/025 ,  G11B7/0055 ,  G11B7/006 ,  G11B7/249

    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 compounds and their use for storing, processing and/or displaying information
    3.
    发明授权
    Spin-transition compounds and their use for storing, processing and/or displaying information 失效
    旋转化合物及其用于存储，处理和/或显示信息的用途

    公开(公告)号：US5582900A

    公开(公告)日：1996-12-10

    申请号：US247383

    申请日：1994-05-23

    申请人： Olivier O. Khan ,  Charlotte Jay ,  Jonas Krober

    发明人： Olivier O. Khan ,  Charlotte Jay ,  Jonas Krober

    IPC分类号： C07F15/02 ,  G11B7/0055 ,  G11B7/006 ,  G11B7/249 ,  B32B9/00

    CPC分类号： C07F15/025 ,  G11B7/0055 ,  G11B7/006 ,  G11B7/249 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/1032 ,  Y10T428/21 ,  Y10T428/24802

    摘要： Chemical substances are provided which exhibit thermally induced spin transitions between two stable spin states at ambient temperature, said transitions being associated with a hysteresis phenomenon and resulting in an abrupt variation of the color of the molecules for realizing a medium for storing, processing and/or displaying information by way of thermal writing, optical reading and thermal erasing, a particular embodiment of such a medium comprising at least a layer of chemical substances including a lattice with a molecule comprising a metallic element Fe.sub.(II), or Fe.sub.(III) or Co.sub.(II) associated with at least one ligand chosen from the substituted triazoles which are defined by the formula: ##STR1## in which R is H or an alkyl C.sub.n H.sub.2n+1 or R is an amine group NL.sub.2 where L is H and an alkyl radical, said molecule also comprising one or several anions chosen, for example, from BF.sub.4.sup.-, ClO.sub.4.sup.-, Br.sup.-, Cl.sup.-, and the lattice containing a defined quantity of non-ligand water, ensured by the presence of a hygroscopic substance.

    摘要翻译： 提供化学物质，其在环境温度下在两个稳定的自旋态之间表现出热诱导的自旋跃迁，所述转变与滞后现象相关联，并导致分子的颜色的突然变化，以实现用于存储，处理和/或 通过热写入，光学读取和热擦除来显示信息，这种介质的特定实施例包括至少一层化学物质，包括具有金属元素Fe（II）或Fe（III）的分子的晶格，或 Co（II）与选自由下式定义的取代三唑的至少一种配位体相关：其中R为H或烷基CnH 2 n + 1或R为胺基NL2，其中L为H，且 烷基，所述分子还包含选自例如BF 4 - ，ClO 4 - ，Br - ，Cl - 的一种或多种阴离子，并且含有限定量的非配位体水的晶格由预聚物 e的吸湿物质。

    Spin-transition parent compounds
    5.
    发明授权
    Spin-transition parent compounds 有权
    自旋转移母体化合物

    公开(公告)号：US06200730B1

    公开(公告)日：2001-03-13

    申请号：US09464857

    申请日：1999-12-16

    申请人： Olivier Khan ,  Charlotte Jay ,  Jonas Krober ,  Renee Claude ,  Francoise Groliere

    发明人： Olivier Khan ,  Charlotte Jay ,  Jonas Krober ,  Renee Claude ,  Francoise Groliere

    IPC分类号： G03C164

    CPC分类号： C07F15/025 ,  G02F1/0147 ,  G11B7/0055 ,  G11B7/246 ,  G11B7/249 ,  Y10S430/146 ,  Y10S430/165

    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&agr;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 (&bgr;) 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，Talpha2）发生在 高于第二参考温度（TR）的温度和与第二相（β）相关联的滞后循环（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）。