Electrode for in-situ electrical measurement for diamond anvil cell and method for producing the same

The invention discloses an in-situ electrical measuring electrode that is used in diamond-pair anvil cells and a manufacturing method thereof, and belongs to the technical field of high-temperature and high-voltage devices. Four electrodes (1) are deposited on the surface of a diamond anvil cell (8) and distribute from an anvil surface to a lateral surface of the diamond anvil cell (8); the electrodes (1) are diamond films doped with boron; a diamond insulating layer (2) covers the anvil surface and the lateral surface of the diamond anvil cell (8) as well as the electrodes (1) thereof; the electrodes (1) are exposed at one end of the anvil surface, the exposed position lies inside a sample cavity (9), and the electrodes (1) are exposed at one end of the lateral surface and connected withan electrode lead (5). A diamond film microcircuit and the diamond insulating layer are simultaneously integrated onto the surface of the diamond anvil cell by utilizing the film deposition technique, the nanometer seeding technique, the masking technique and the photolithographic method. The manufacturing method of the in-situ electrical measuring electrode prevents the electrode from being destroyed by transverse shearing force and overcomes the electrode corrosion by samples under the high-voltage condition, thus widening the research field of electrical in-situ measurement under high voltage.