A multilayer ceramic capacitor includes a multilayer body including dielectric layers, inner-electrode layers, and outer electrodes coupled to the inner-electrode layers. The multilayer body includes Ba, Ti, Ca, Mg, Zr, and R, and when the Ti content is defined as 100 parts by mole, the relative amounts are as follows: Ca, 0.03 parts by mole or more and 0.15 parts by mole or less, Mg, 0.01 parts by mole or more and 0.09 parts by mole or less, R, 2.5 parts by mole or more and 8.4 parts by mole or less; Zr, 0.05 parts by mole or more and 3.00 parts by mole or less: Si, 0.5 parts by mole or more and 4.0 parts by mole or less; and P, 0.005 parts by mole or more and 0.500 parts by mole or less. Ca is in a vicinity of the center of crystal grains contained in the dielectric layers.

A multilayer electronic component includes a multilayer body including dielectric layers and inner electrode layers, the multilayer body including an electrode facing portion in which the inner electrode layers are laminated to face each other with the dielectric layers interposed therebetween. The multilayer body has a thickness of at least about 1.5 mm in a lamination direction, a length of at least about 3.0 mm, and a width of at least about 1.5 mm. Each of the dielectric layers includes Ba, Ti, and Cl. A Cl concentration C.sub.1 in the entire electrode facing portion satisfies about 10 wtppm<C.sub.1<about 50 wtppm. On an imaginary central axis line, a Cl concentration C.sub.2 in a central portion of the electrode facing portion and a Cl concentration C.sub.3 in both end portions of the electrode facing portion satisfy about 0.5C.sub.2≤C.sub.3<C.sub.2.

A ceramic electronic device includes: a multilayer chip having a structure in which each of dielectric layers and each of internal electrode layers are alternately stacked; and external electrodes provided on end faces of the multilayer chip, wherein a main component of the external electrodes is a first metal, wherein the internal electrode layers include the first metal and a second metal of which a melting point is higher than that of the first metal, wherein a diffusion coefficient of the first metal with respect to the second metal is larger than that of the second metal with respect to the first metal, wherein a number of a cavity in a range of 10 numbers of the internal electrode layers that are next to each other and are connected to a same external electrode of the first external electrode and the second external electrode is 1 or less.

A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other; a plurality of internal electrodes disposed in the ceramic body; and first and second side margin portions disposed on end portions of the internal electrodes exposed to the first and second surfaces, wherein the ceramic body includes an active portion, and cover portions disposed on upper and lower surfaces of the active portion, each of the first and second side margin portions is divided into a first region and a second region, each of the cover portions is divided into a first region and a second region, and contents of magnesium (Mg) contained in the second regions of the cover portions and the first and second side margin portions are larger than those of magnesium (Mg) contained in the first regions thereof, respectively.

A multilayer electronic component that includes a plurality of stacked dielectric layers, each of the plurality of stacked dielectric layers having a plurality of crystal grains, at least some of the plurality of crystal grains having a trap portion therein, and at least one element selected from the group consisting of Ni, Cu, Pt, Sn, Pd and Ag is present locally in the trap portion; and a plurality of internal electrode layers arranged between adjacent dielectric layers of the plurality of stacked dielectric layers.

A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.

A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other and alternately stacked with the respective dielectric layers interposed therebetween; a first external electrode connected to the first internal electrodes; a second external electrode connected to the second internal electrodes; and a protective layer disposed on the ceramic body, the first external electrode, and the second external electrode, wherein the protective layer includes an adhesion assisting layer and a coating layer.

This invention aims at providing a carbon-coated metal powder having few impurities, a narrower particle size distribution, and sintering properties particularly suitable as a conductive powder of a conductive paste for forming internal conductors in a ceramic multilayer electronic component obtained by co-firing multilayered ceramic sheets and internal conductor layers; a conductive paste containing the carbon-coated metal powder; a multilayer electronic component using the conductive paste; and a method for manufacturing the carbon-coated metal powder. The carbon-coated metal powder has specific properties in TMA or ESCA measurements. The carbon-coated metal powder can be obtained by melting and vaporizing a metallic raw material in a reaction vessel, conveying the generated metal vapor into a cooling tube and rapidly cooling the metal vapor by endothermically decomposing a carbon source supplied into the cooling tube, and forming a carbon coating film on metal nuclei surfaces in parallel with generation of the metal nuclei.

A multilayer electronic component that includes a stacked body having therein a plurality of dielectric layers including a CZ-based perovskite phase and an element M1, a plurality of internal electrode layers including Cu, and an interface layer including the element M1 in at least a portion of an interface with the plurality of internal electrode layers. Element M1 is an element that has a binding energy between CZ and Cu via the element M1 of less than or equal to −9.8 eV by first-principles calculation using a pseudopotential method. When amounts of elements included in the dielectric layers are expressed as parts by mol, a ratio m1 of an amount of the element M1 to an amount of the Zr in the interface layer is 0.03≤m1≤0.25.

A multilayer ceramic capacitor includes a laminate and

an external electrode connected to the internal electrode layer. The laminate includes a central layer portion in which an internal electrode layer and a dielectric ceramic layer are alternately laminated, and a covering portion covering an outer surface of the central layer portion in the lamination direction and the width direction. A region where the main surface meets the lateral surface in the laminate is defined as a corner portion that is rounded, and a distance from the corner portion to an internal electrode closest to the corner portion is about 20 .Math.m or less.