Experimental measurement methods and data on irradiation of functional design materials by helium ions in linear accelerator

TL;DR

This paper presents new experimental methods and data for irradiating functional design materials with Helium ions in a linear accelerator, including innovative accelerator design, measurement techniques, and detailed irradiation data.

Contribution

It introduces a novel accelerator structure and irradiation setup for Helium ions, along with comprehensive experimental measurement techniques and data.

Findings

Developed a new IH-type accelerator structure POS-4

Designed a specialized chamber for Helium ion irradiation

Optimized measurement techniques for irradiation parameters

Abstract

The experimental research on the irradiation of the functional design materials by the Helium ions in the linear accelerator is conducted. The experimental measurements techniques and data on the irradiation of the functional design materials by the Helium ions with the energy up to 4 MeV, including the detailed scheme of experimental measurements setup, are presented. The new design of accelerating structure of the IH-type such as POS-4, using the method of alternate-phase focusing with the step-by-step change of the synchronous phase along the focusing periods in a linear accelerator, is developed with the aim to irradiate the functional design materials by the Helium ions. The new design of the injector of the charged Helium ions with the energy of 120 KeV at the output of an accelerating tube and the accelerating structure of the type of POS-4 for the one time charged Helium ions acceleration in the linear accelerator are researched and developed. The special chamber for the irradiation of functional design materials by the Helium ions is also created. In the process of experiment, the temperature of a sample, the magnitude of current of Helium ions beam and the irradiation dose of sample are measured precisely. The experimental measurement setup and techniques are fully tested and optimized in the course of the research on the electro-physical properties of irradiated samples and the thermal-desorption of Helium ions in a wide range of temperatures