Doubly Ionized Thorium: Laser Lifetime Measurements and Transition Probability Determination of Interest in Cosmochronology

Atomic structure, radiative lifetime and oscillator strength calculations in doubly ionized molybdenum (Mo III)

Radiative lifetimes, transition probabilities and oscillator strengths in doubly ionized molybdenum (Mo III) are reported for the first time in the present paper. This new set of atomic data has been obtained by using a semi-empirical computational technique based on the pseudorelativistic Hartree–Fock approach in which a large amount of intravalence and core–valence electron correlations were ...

Laser-induced breakdown spectroscopy for branching ratio and atomic lifetime measurements in singly-ionized neodymium and gallium☆

Lifetime measurements and transition probabilities in Mo II

Lifetimes have been measured using time-resolved laser-induced fluorescence for 16 odd levels in the doublet, quartet and sextet systems of Mo II, with energies in the range 48 000– 61 000 cm−1. Absolute transition probabilities and oscillator strengths are determined for 110 UV and visible transitions (208 < λ < 485 nm) from a combination of experimental lifetimes and theoretical branching fra...

Fission of doubly ionized calcium clusters

Cluster ions, CaN and Ca 2þ N , containing up to N = 8 atoms are studied within density functional theory. Ground and first excited states, and ionization energies are reported for all sizes. At zero temperature Ca2þ 3 and Ca 2þ 4 are linear, whereas Ca 2þ 5 through Ca 2þ 7 undergo structural transitions from 3D-configurations into linear ions below 600 K. As a consequence, fission that occurs ...

application and construction of carbon paste modified electrodes developed for determination of metal ions in some real samples

ساخت الکترودهاِی اصلاح شده ِیکِی از چالشهاِی همِیشگِی در دانش شیمِی بوِیژه شیمِی تجزیه مِی باشد ،که با در نظر گرفتن سادگِی ساخت، کاربردی بودن و ارزان بودن روش مِی توان به باارزش بودن چنِین سنسورهاِی پِی برد.آنچه که در ادامه آورده شده به ساخت و کاربرد الکترودهاِی اصلاح شده با استفاده از نانو ذرات در اندازه گِیرِی ولتامترِی آهن وکادمِیم اشاره دارد. کار اول اختصاص دارد به ساخت الکترود خمِیر کربن اصلاح شده با لِیگاند داِ...