Three dimensional memory (CO) comprising: - a plurality of first electrodes (EP), referred to as flat electrodes (EP), each flat electrode (EP) of the plurality of flat electrodes (EP) defining a plane (P); - a second electrode (EV), referred to as vertical electrode (EV), extending essentially along an axis (Z) perpendicular to the plane defined by each flat electrode (EP); - a plurality of third electrodes (EF), referred to as floating electrodes, each floating electrode (EF) of the plurality of floating electrodes (EF) being situated between a flat electrode (EP) of the plurality of flat electrodes (EP) and the vertical electrode (EV); - a plurality of first layers (CI) of an insulating material, each flat electrode (EP) of the plurality of flat electrodes (EP) being separated from the preceding and/or following flat electrode (EP) by a first layer (CI) of an insulating material of the plurality of first layers (CI) of an insulating material; - a plurality of first layers (C1) of a first active material, each layer (C1) of an active material separating a flat electrode (EP) of the plurality of flat electrodes (EP) from the floating electrode (EF) that is associated therewith; - a second layer of a second active material (C2) separating the vertical electrode (EV) from the floating electrodes (EF) of the plurality of floating electrodes (EF); the first active material being capable of forming a selector (SE) or a memory point (PM) and the second active material being capable of forming a memory point (PM) or a selector (SE), the memory being characterised in that each flat electrode (EP) of the plurality of flat electrodes (EP) comprises: - a first sub-layer (EP1) made of a first conductive material; - a second sub-layer (EP2) made of a second conductive material; and - a third sub-layer (EP3) made of a third conductive material. - a plurality of first electrodes (EP), referred to as flat electrodes (EP), each flat electrode (EP) of the plurality of flat electrodes (EP) defining a plane (P); - a second electrode (EV), referred to as vertical electrode (EV), extending essentially along an axis (Z) perpendicular to the plane defined by each flat electrode (EP); - a plurality of third electrodes (EF), referred to as floating electrodes, each floating electrode (EF) of the plurality of floating electrodes (EF) being situated between a flat electrode (EP) of the plurality of flat electrodes (EP) and the vertical electrode (EV); - a plurality of first layers (CI) of an insulating material, each flat electrode (EP) of the plurality of flat electrodes (EP) being separated from the preceding and/or following flat electrode (EP) by a first layer (CI) of an insulating material of the plurality of first layers (CI) of an insulating material; - a plurality of first layers (C1) of a first active material, each layer (C1) of an active material separating a flat electrode (EP) of the plurality of flat electrodes (EP) from the floating electrode (EF) that is associated therewith; - a second layer of a second active material (C2) separating the vertical electrode (EV) from the floating electrodes (EF) of the plurality of floating electrodes (EF); - a first sub-layer (EP1) made of a first conductive material; - a second sub-layer (EP2) made of a second conductive material; and - a third sub-layer (EP3) made of a third conductive material. <EOS>