分析了新型光电器件在常规空间辐射环境下,电子器件所产生的一系列位移型损伤及对应成因。经多次对比实验发现,其位移损伤和器件失效主要由非电离能损(NIEL)所诱发。其根本损耗来源为:在低能空间状态下,库仑间的相互作用力将凸显,并逐...分析了新型光电器件在常规空间辐射环境下,电子器件所产生的一系列位移型损伤及对应成因。经多次对比实验发现,其位移损伤和器件失效主要由非电离能损(NIEL)所诱发。其根本损耗来源为:在低能空间状态下,库仑间的相互作用力将凸显,并逐渐占据主导地位。而当前主要采用的散射微分截面法,如Mott-Rutherford型散射法,均无法有效屏蔽核外电子间存在的库仑作用力影响,从而导致大量非电离能损产生。由此,文中结合非电离能损特性及成因,在解析算法基础上结合Monte-Carlo推衍方法,以SRIM程序模拟并推算出较精确的低能质子在半导体材料(以Si、Ga AS为例)中的NIEL数值量级,同时参照薄靶近似思想改良实验。实验数据规律表明,能量总值为1 ke V的低能质子材料中NIEL评测数值量级大约为Ga As质子材料的1/5、Summers数值量级的1/3,这一结果将为航天材质设计和改良提供重要的参考。展开更多
The original intention of the author’s preoccupation with the quantum-me-chanical behaviour of simple atoms and molecules such as Hydrogen and He-lium was,on the one hand,the elegant simplicity of Niels Bohr’s atom ...The original intention of the author’s preoccupation with the quantum-me-chanical behaviour of simple atoms and molecules such as Hydrogen and He-lium was,on the one hand,the elegant simplicity of Niels Bohr’s atom model for Hydrogen,describing the metastable states of the excited electrons by pla-nar concentric electron orbits,and,on the other hand,the hardly intelligible wave mechanical approach of Heisenberg,Schrödinger and others,describing mainly atoms with multiple electrons by three-dimensional orbitals which were characterized by probabilities of presence.Thereby the question arose whether it would be possible to find alternative atom models with well-defined electron trajectories.Therein,Louis de Broglie’s thesis of the wavy nature of electron motion implicating standing waves would have to be implemented.Nevertheless,as reviewed in the introduction,the orthodox three-dimensional concept influenced the own thinking in such a way that three-dimensional constellations for the electronic excited states were conceived.The break-through was achieved for the electronic ground state in the form of the spin-orbit coupling where the spin acts as a perpetuum mobile,inducing the orbital angular momentum h/2π.Furthermore,the insight was gained that a circu-larly rotating electron intrinsically corresponds to a harmonic oscillator,thus fulfilling the condition of a standing wave.Based on this concept,a double planar model was established for the H2-molecule which could be empirically verified by X-ray data from literature.However,for the two electrons contain-ing Helium a 2D-array seemed impossible since the Pauli-principle seemed to be violated.After a long stepwise succession of 3D-attempts which turned out to be impossible—not least since eccentric forces are not possible in such a system—the here presented 2D-version for Helium was found,composed by two imaginary orthogonal electron orbits.It will enable in a subsequent pub-lication the quantum mechanical interpretation of the thermal-radiative be-haviour of Helium which was reported in the author’s publication nine years ago.展开更多
文摘分析了新型光电器件在常规空间辐射环境下,电子器件所产生的一系列位移型损伤及对应成因。经多次对比实验发现,其位移损伤和器件失效主要由非电离能损(NIEL)所诱发。其根本损耗来源为:在低能空间状态下,库仑间的相互作用力将凸显,并逐渐占据主导地位。而当前主要采用的散射微分截面法,如Mott-Rutherford型散射法,均无法有效屏蔽核外电子间存在的库仑作用力影响,从而导致大量非电离能损产生。由此,文中结合非电离能损特性及成因,在解析算法基础上结合Monte-Carlo推衍方法,以SRIM程序模拟并推算出较精确的低能质子在半导体材料(以Si、Ga AS为例)中的NIEL数值量级,同时参照薄靶近似思想改良实验。实验数据规律表明,能量总值为1 ke V的低能质子材料中NIEL评测数值量级大约为Ga As质子材料的1/5、Summers数值量级的1/3,这一结果将为航天材质设计和改良提供重要的参考。
文摘The original intention of the author’s preoccupation with the quantum-me-chanical behaviour of simple atoms and molecules such as Hydrogen and He-lium was,on the one hand,the elegant simplicity of Niels Bohr’s atom model for Hydrogen,describing the metastable states of the excited electrons by pla-nar concentric electron orbits,and,on the other hand,the hardly intelligible wave mechanical approach of Heisenberg,Schrödinger and others,describing mainly atoms with multiple electrons by three-dimensional orbitals which were characterized by probabilities of presence.Thereby the question arose whether it would be possible to find alternative atom models with well-defined electron trajectories.Therein,Louis de Broglie’s thesis of the wavy nature of electron motion implicating standing waves would have to be implemented.Nevertheless,as reviewed in the introduction,the orthodox three-dimensional concept influenced the own thinking in such a way that three-dimensional constellations for the electronic excited states were conceived.The break-through was achieved for the electronic ground state in the form of the spin-orbit coupling where the spin acts as a perpetuum mobile,inducing the orbital angular momentum h/2π.Furthermore,the insight was gained that a circu-larly rotating electron intrinsically corresponds to a harmonic oscillator,thus fulfilling the condition of a standing wave.Based on this concept,a double planar model was established for the H2-molecule which could be empirically verified by X-ray data from literature.However,for the two electrons contain-ing Helium a 2D-array seemed impossible since the Pauli-principle seemed to be violated.After a long stepwise succession of 3D-attempts which turned out to be impossible—not least since eccentric forces are not possible in such a system—the here presented 2D-version for Helium was found,composed by two imaginary orthogonal electron orbits.It will enable in a subsequent pub-lication the quantum mechanical interpretation of the thermal-radiative be-haviour of Helium which was reported in the author’s publication nine years ago.
